Thursday, October 31, 2019
CV Essay Example | Topics and Well Written Essays - 1000 words
CV - Essay Example Good experience of both strategic and detailed work on projects of different scales. Able to work on all of projectââ¬â¢s stages: drafting, budgeting, creating and processing working and executive documentation, experiential and industrial exploitation). Ability to profound analysis that allows, basing on the analysis of multiple factors of the companyââ¬â¢s activity, to forecast the possibility of different issues of organisational, technological and technical character arising in the work of IT-sphere and, consequently, to take precaution measures and implement well thought-of solutions so that to eliminate the causes for these problems. Ability to gather a team of professionals and lead it, while remaining an authority, thanks to my knowledge and competencies in different spheres and the sense of responsibility regarding the tasks set and the team. Integrity, attention, responsibility, goal-orientation, high loyalty to employer and company, stress-resistance in any situation. Easy-learner and able to adapt very well in any project or environment. Ambitious to a certain extent, while possessing a high level of professional self-esteem. Conducted the restructuring of companyââ¬â¢s production unit; within the frame of this project methodology and processes of production and project management have been pinpointed and organised. New directions of companyââ¬â¢s competencies have been developed, such as strategic consulting, business consulting, IT-consulting, developing and introducing business application and others. Due to this the company managed to get to the end of the last year with more than 50% growth of key figures, and has one of the most ambitious development plans on the systematic integration markets in Russia. Among the companyââ¬â¢s loyal customers there are major industrial holdings and enterprises in Russia, organisations and
Tuesday, October 29, 2019
PROGRESS REPORT FOR CO-OP Essay Example | Topics and Well Written Essays - 5250 words - 1
PROGRESS REPORT FOR CO-OP - Essay Example However, despite the progress that the company has been making, training employees remains its main activity in a bid to remain competitive and keep pace with rivals. When this company was under the leadership of Steve Jobs, it had adopted a distribution channel system that encompassed intermediaries who were authorized dealers. The strategy worked with excellence in most parts of the world, lately, the strategy seems not to be working as expected since competitors have changed tact, and adopted strategies that give them competitive advantages above Apple Inc. The company has been on a mission to recruit and train cashiers, public relation personnel in their different stores (Wentland, 2007), managers and other employees, so that they can help tackle the prevailing marketing and management challenges. At the same time, the company is recruiting and training ambitious young people so that they can add creativity and innovativeness that was left void when its creative genius and founder, Steve Jobs passed on. Apple Inc. offers electronics and related products, with its main area of interest being development of computer hardwares and softwares. The company has been doing this by use of creative young people who understand the current needs of the market as well as their ability to read strategies of competitors and counter them. However, in the recent past, the company has not been able to effectively tackle issues of technology development as well as marketing because the systems that have been adopted by clients have outdone its strategies in a great way. This is the main constraint that the company has been facing, something that has prompted a serious concern for training of new and dynamic workers who can turn round the fortunes of the company. The training program that has been developed is aimed at training managers on
Sunday, October 27, 2019
Solar Photovoltaic Power Plant Project Management Plan
Solar Photovoltaic Power Plant Project Management Plan Introduction Solar photovoltaic cells convert sunlight into electricity and many solar photovoltaic power stations have been built, mainly in Europe. As of September 2010, the largest photovoltaic (PV) power plants in the world are the Sarnia Photovoltaic Power Plant (Canada, 80 MW), Olmedilla Photovoltaic Park (Spain, 60à MW), the Strasskirchen Solar Park (Germany, 54à MW), the Lieberose Photovoltaic Park (Germany, 53à MW), the Puertollano Photovoltaic Park (Spain, 50à MW), the Moura Photovoltaic Power Station (Portugal, 46à MW), and the Waldpolenz Solar Park (Germany, 40à MW).[1] This proposal is for setting up a 50 MW (10 MW x 5 Phases) capacity solar photovoltaic power plant based on latest High Power Modules using cells consisting of Multi-Crystalline Silicon Technology / Tandem Junction Thin Film Technology, which has been successfully developed for commercial implementation and has been delivering reliable power generation around the world for some years now. The solar photovoltaic power project is proposed to be set up in Jodhpur district of Rajasthan, India which is one of the best suited locations in terms of higher annual direct normal insolation (DNI), favourable climatic conditions and land availability Some photovoltaic power stations which are presently proposed will have a capacity of 150à MW or more. Many of these plants are integrated with agriculture and some use innovative tracking systems that follow the suns daily path across the sky to generate more electricity than conventional fixed-mounted systems. There are no fuel costs or emissions during operation of the power stations. AIM This proposal examines the techniques of project management used in development of a solar photovoltaic power plant Project. The background of the project will be described including its planning, Execution, Operation Maintenance and Financial analysis a project; critical success factors for the project implementation are identified presenting an overview of project structure, methods, risks, etc. Objectives The objectives for the project are the successful completion of solar photovoltaic power plant, on budget, on time and safely. The objectives are also to develop world class project management best practices within the solar industry. Research Methodology The PMBOK Guide states that projects are composed of two kinds of process: project management processes and product-oriented processes (which specify and create the project product). Project management processes are further divided into initiating, planning, execution, controlling and closing processes. This proposal mainly concentrates on the core processes of planning, execution and controlling. The project management process groups depicted in figure 1 are initiating, planning, executing, monitoring and controlling, and closing. Initiating defines and authorizes the project or a project phase. Planning defines and refines objectives and plans the course of action required to attain the objectives and scope that the project was undertaken to address. Executing integrates people and other resources to carry out the project management plan for the project. Monitoring and controlling regularly measures and monitors progress to identify variances from the project management plan so that corrective action can be taken when necessary to meet project objectives. Closing formalizes acceptance of the product, service, or result and brings the project or a project phase to an orderly end. Figure illustrates the relative depth, breadth, and interrelationship between these process groups. Planning Planning in organizations constitutes both the organizational process of creating and maintaining a plan; and the psychological process of thinking about the activities required to create a desired goal on some scale. As such, it is a fundamental property of intelligent behaviour. This thought process is essential to the creation and refinement of a plan or integration of it with other plans. It combines forecasting of developments with the preparation of scenarios of how to react to them. An important albeit often ignored aspect of planning, is the relationship it holds with forecasting. Forecasting can be described as predicting what the future will look like, whereas planning predicts what the future should look like. The above scenario is often used to describe the formal procedures used in the creation of documents, endeavour, diagrams, meetings to discuss the important issues to be addressed, objectives to be met and the strategy to be followed. Beyond this planning has a different meaning depending on the political or economic context in which it is used. There are ten core processes: scope planning scope definition activity definition resource planning activity sequencing activity duration estimating cost estimating schedule development cost budgeting Project plan development. The output from these processes project plans makes up an input to the executing processes. A distinction is made between the project plans proper and the project performance baselines. Executing Executing consists of the process used to complete the work defined in the project management plan to accomplish the projects requirements. Execution process involves coordinating people and resources as well as integrating and performing the activities of the project in accordance with the project management plan. The deliverables are produced as outputs from the processes performed as defined in the project management plan. Executing Processes Project Plan Execution performing the activities Complete Tasks/Work Packages Information Distribution Scope Verification acceptance of project scope Quality Assurance evaluating overall project performance on a regular basis; meeting standards Team Development developing team and individual skill sets to enhance the project Progress Meetings Monitoring and controlling Monitoring and controlling consists of those processes which have performed to observe project execution so that potential problems can be identified in a timely manner and corrective action can be taken place. When necessary to control the execution of the project. The key benefit is that project performance is observed and measured regularly to identify variances from the project management plan. Monitoring and Controlling includes: Measuring the on-going project activities. Monitoring the project variables (cost, effort, scope, etc.) against the project management plan and the project performance baseline. Identify corrective actions to address issues and risks properly. Influencing the factors that could circumvent integrated change control so only approved changes are implemented This must be done in an integrated manner at regular intervals, not in a haphazard, arbitrary way. Any significant departures from the budget and the schedule must be reported immediately, because these anomalies affect the viability and the success of the entire project. This will lead to adapting the project schedule, budget and/or work plan as necessary to keep the project on track. The project progress and changes must be documented and communicated to the team members in a consistent, reliable and appropriate manner for each level of the project team. Success criteria for project control Use the project plan as the primary guide for co-ordinating your project. Consistently monitor and update the plan. Remember that quality communication is a key to control. Monitor progress on the project against the plan on a regular basis. Get involved. Adapt the project schedule, budget and/or work plan as necessary to keep the project on track. Document project progress and changes and communicate them to team members. What monitoring should accomplish? Communicate project status and changes to other project team members Inform management (and clients or customers) about the status of the project Provide the justification for making project adjustments Document current plans compared to the original project plan Project Performance must be measured regularly to identify the variances from the plan. Variances are fed into control processes in the various knowledge areas. To the extent the significant Variances are observed. Adjustments to the plan are made by repeating the appropriate project planning process. Project reports should be: clearly state the current status of the project compare actual achievements with the planned target achievements draw attention to critical issues identify problems and propose solutions promote effective management and control Project status reports It is not simply a matter of keeping the scope from creeping, or a matter of completing the cheapest and fastest project; it is establishing the appropriate Scope and delivering the commensurate product, service, or result. All the above processes have been iteratively revealed/implemented during the Proposed Solar Photovoltaic Power Plant project, which was revealed below. Technology The proposed plant shall comprise High Power Modules using cells consisting of Multi-Crystalline Silicon Technology / Tandem Junction Thin Film Technology. Efficiency is varying from 6% 18%. Temperatures beyond 25oC have nominal effect on the efficiency of the modules. White Tempered Glass, EVA Resin and weather proof film along with Al frame is used for extended outdoor use. Lead wire with weather proof connector shall be used for output terminal. Both the technologies are standalone type which needs no external power or water source and hence is most appropriate for desert region of Rajasthan. Small amount of processed water or compressed air is required only for cleaning of the system. Indicative scope of work Electrical Supply, fitting, fixing of Solar PV Modules with appropriate module mounting structures and frames including overall planning and design of the power plant. Supply and installation of Junction boxes of appropriate standards with required protection and isolation system. Design, supply and installation of AC power conditioning units with all protections and controlling arrangement as per specifications to get the desired performance. String monitoring and MPPT features are included as per requirements. Interconnection of Solar modules, PCUs, transformers LT HT sides, LT switchgear, etc with appropriate cables and associated materials including supply of materials. Design, manufacture, supply, installation, interconnection and interfacing of computer aided data acquisition unit as per specification. Supply, installation complete earthing as required for AC and DC power system, PCU, LT switchgear, Transformer, all metallic cubicles, HT switchgear with materials as required as per relevant standards. Providing earth-mat and interconnection of array structures with earth pits in the PV array yard. Design, fabrication, supply, installation of LT power interfacing panel to evacuate power to the grid through PCUs with appropriate capacity circuit breakers, isolators, indicators, metering arrangement with selector switch, CTs, PTs, and copper bus-bars as per requirement in complete. Design, fabrication, supply and installation of plant monitoring desk to monitor the status of all major equipments through remote monitoring system including connection to all major equipments and status to be monitored. Supply of all other BOS parts e.g. cables, electrical, etc as per the Bill of Material (BOM) which is not covered above. Emergency DG Set 15 KVA with battery bank and battery charger. Metering device. Control Room and Others Electrical wiring in the inverter room, control room and array yard with supply of cables and wires, switchboards, switches, Junction Boxes, distribution boards for lights, fans, exhaust fans, power points for both 5 Amps and 15 Amps. Supply and installation of lightning arrestors for inverter room, control room as per relevant standards. Supply, fitting and fixing of CFL lighting fixtures, FL lighting fixtures, LED lighting fixtures for lighting indoor and outdoor various installations including array yard with required accessories. Providing of fire extinguisher and sand buckets complying with national or international safety standards. Civil Works for solar Systems Topographical survey Design and construction of appropriate foundation base for holding the module mounting structure with supply of all requisite materials, excavation, concreting, backfilling, shoring and shuttering, etc. Construction of power plant buildings including inverter rooms, control room as required, office, canteen, etc. Barbed wire fencing of 3m height for complete power plant and sub-station. Cable trenches, drainage, etc. Main gate, side gates and Security guard rooms. Erection and Installation of Power Evacuation Arrangement Erection, supply, installation and commissioning of fifty 0.415/33 KV step up transformers and three 33/132 KV step up transformers, 3 phase, 50 Hz, with associated switchgear comprising of circuit breakers, isolators, LT panels, CTs and PTs, etc including metering and protection like over-current, earth-fault, reverse power protection and controls, etc. Other Fixed Assets Furniture for inverter rooms, control room and administration/office. Pantry equipment, change room lockers, etc. Store racks and cupboards. Standard Mechanical Maintenance tools. Engineering and Project Management Design and Engineering Project Management and construction supervision Material Management Insurance during the project period. Project implementation schedule Based on international practices and technological advancements, it is estimated that first 10 MW capacity phase of the project will be supplied, installed and commissioned from project approval and additional 40 MWp of the project will be installed and commissioned in 60 months from project approval. Executing Executing consists of the processes used to complete the work defined in the project management plan to accomplish the projects requirements. Execution process involves coordinating people and resources, as well as integrating and performing the activities of the project in accordance with the project management plan. The deliverables are produced as outputs from the processes performed as defined in the project management plan. Total project shall be completed within 60 months in 5 (five) stages of 10 MW each from date of sanction of the project. The modules will be ground mounted and tilted 27 degrees to face the sun. The ground mounting will require a flat level surface and will be set into concrete. The modules will require an area that is unshaded from the sun. Any vegetation underneath the modules will need to be kept to a level below that of the modules in order to avoid shading. All the modules will be at least 1.0m from the ground. It is assumed that this is adequate to keep the modules above the height of sand deposition at the site during sand storm. Monitoring and controlling Monitoring and controlling consists of those processes performed to observe project execution so that potential problems can be identified in a timely manner and corrective action can be taken, when necessary, to control the execution of the project. The key benefit is that project performance is observed and measured regularly to identify variances from the project management plan. Monitoring and Controlling includes: Measuring the on-going project activities. Monitoring the project variables (cost, effort, scope, etc.) against the project management plan and the project performance baseline. Identify corrective actions to address issues and risks properly. Influencing the factors that could circumvent integrated change control so only approved changes are implemented In multi-phase projects, the monitoring and controlling process also provides feedback between project phases, in order to implement corrective or preventive actions to bring the project into compliance with the project management plan. Operation and maintenance Whether a solar plant performs well in the long term and remains technically available depends to a large extent on servicing and regular maintenance. This shall be carried out by designated electrical experts in conjunction with technicians from the respective component manufacturers. To keep all components optimally available, an electronic data processing unit in the solar power plant will permanently gather and evaluate all relevant performance data and possible error messages. Using target/actual comparison, data from the power plant shall be continually compared with data from an on-site weather station. Possible errors shall be precisely located and immediately passed on via email, SMS or fax to the relevant service technicians. They can then, from their workplace, conduct fault repair through on-line remote maintenance. Financial analysis Assumptions estimates The assumptions are made that suppliers will abide by the following: Provide Safe Working Condition Consistency of Processes Adhere to Design Standards Adhere to Standard Components Follow the Framework Agreements The proposed Solar Photovoltaic Power Project is of 50 MWp capacity. Estimated cost of the project is INR Rs. 17 Crores per MWp. (2.42 Million Pounds) The total project cost is Rs. 850 Crores (. Gross aggregate electricity generation has been arrived at 83.22 million kWh per annum. The capacity utilisation factor (plant load factor) is 19%. Project cost break-up means of finance Apart from machinery, installation and commissioning cost, interest during construction, financial institution fees and margin money for working capital is part of project cost. Project financial analysis has been carried out considering debt equity ratio of 70:30. Interest rate at debt part has been considered at 14.29%. Project Deliverables The project deliverables are based on the completion of project based on the following: On time On budget No accidents The fulfilment of original quality requirements Develop industry project management best practices that are measureable and repeatable Operational terminal both in the short and long-term Advantages The 89 pet watts of sunlight reaching the Earths surface is plentiful almost 6,000 times more than the 15 terawatts equivalent of average power consumed by humans. Additionally, solar electric generation has the highest power density (global mean of 170 W/mà ²) among renewable energies. Solar power is pollution-free during use. Production end-wastes and emissions are manageable using existing pollution controls. End-of-use recycling technologies are under development. PV installations can operate for many years with little maintenance or intervention after their initial set-up, so after the initial capital cost of building any solar power plant, operating costs are extremely low compared to existing power technologies. Solar electric generation is economically superior where grid connection or fuel transport is difficult, costly or impossible. Long-standing examples include satellites, island communities, remote locations and ocean vessels. When grid-connected, solar electric generation replaces some or all of the highest-cost electricity used during times of peak demand (in most climatic regions). This can reduce grid loading, and can eliminate the need for local battery power to provide for use in times of darkness. These features are enabled by net metering. Time-of-use net metering can be highly favourable, but requires newer electronic metering, which may still be impractical for some users. Grid-connected solar electricity can be used locally thus reducing transmission/distribution losses (transmission losses in the US were approximately 7.2% in 1995). Compared to fossil and nuclear energy sources, very little research money has been invested in the development of solar cells, so there is considerable room for improvement. Nevertheless, experimental high efficiency solar cells already have efficiencies of over 40% in case of concentrating photovoltaic cells and efficiencies are rapidly rising while mass-production costs are rapidly falling. Disadvantages Photovoltaic are costly to install. While the modules are often warranted for upwards of 20 years, much of the investment in a home-mounted system may be lost if the home-owner moves and the buyer puts less value on the system than the seller. Solar electricity is seen to be expensive. Solar electricity is not produced at night and is much reduced in cloudy conditions. Therefore, a storage or complementary power system is required. Solar electricity production depends on the limited power density of the locations insolation. Average daily output of a flat plate collector at latitude tilt in the contiguous US is 3-7 kilowatt and on average lower in Europe. Solar cells produce DC which must be converted to AC (using a grid tie inverter) when used in existing distribution grids. This incurs an energy loss of 4-12%. Time Scale Duration/ Period Task/ Milestone Week 1 2 (01 14 Oct, 2010) Assemble common information through explore resources Week 3 (15 Oct, 2010) Research Proposal Assignment 1 Week 3 4 (16 28 Oct, 2010) Organize meetings and cart out reviews Week 5 7 (29 18 Nov, 2010) Gather and compile key Data Week 8 12 (19 Nov 23 Dec. 2010) Lettering and discussion with supervisor Week 12 13 (24 30 Dec, 2010) Review Week 14 (31 5 Jan, 2011) Review and submissions
Friday, October 25, 2019
Magic Realism in One Hundred Years of Solitude by Gabriel Garcia Marque
Magic Realism in One Hundred Years of Solitude by Gabriel Garcia Marquez In One Hundred Years of Solitude, Gabriel Garcà a Mà ¡rquez uses ââ¬Å"magic realism,â⬠to depict how human beings deal with their self-created solitude. ââ¬Å"Magic realismâ⬠[Note that the German art critic Franz Roh coined the term ââ¬Å"magic realismâ⬠in 1925 to describe "a magic insight into realityâ⬠][1] is the art of captivating something that in the real world would not be possible and manufacturing it to be believable. It is very different from fairy tale magic, where things are quite astonishing, unbelievable, and over done. Instead, magic realism makes magic seem more spiritual and ordinary. Gabriel Garcà a Mà ¡rquez does a superb job of combining the truly amazing and magical with everyday life, so that magic in Macondo seems normal.à Gabriel Garcà a Mà ¡rquez, in part, is successful in ââ¬Å"magic realismâ⬠because he makes ordinary events extraordinary, and that makes them mundane. Mà ¡rquez uses a technique that allows magic realism to work well in this novel, because he uses an exaggerated style of life. Macondo is a magical place, which permits the characters not to notice the magic, especially the exaggerated forms of life. At the same time the style that Mà ¡rquez uses allows the reader to believe the magic. The extent in which people in the novel age is astounding; this phenomenon is exemplified in the length of Pilar Terneraââ¬â¢s life. à ââ¬Å"Years before, when she had reached one hundred forty-five years of age, she had given up the pernicious custom of keeping track of her age and she went on living in the static and marginal time of memories.â⬠(424) It is rare today that someone lives to be over 100, and Pilar lives to well over 145 years of age, yet she is not celebrate... ...at magic is a normal occurrence and that there is no need for excitement. The characters are too involved in their solitude to notice how special and magical their village is. It is this perverse ability to remain in isolation and wrapped in solitude that leads to their ultimate downfall. If they were not as obsessed with their solitude and could have realized the wondrous world they were living in, they could have made the best of their magical gifts. But they did not, and because of their ignorance, their lives and the village was destroyed.à ââ¬Å"â⬠¦Because races condemned to one hundred years of solitude did not have a second opportunity on earth.â⬠(422) [1] Liberal Studies 402, on Tuesday, March 28, 1995, by Ian Johnston (lecture) à Works Cited: Garcia Marquez, Gabriel. One Hundred Years of Solitude. Trans. Gregory Rabassa. New York: Harper Perennial, 1991.
Thursday, October 24, 2019
Concept Of An Internal Combustion Engine Engineering Essay
The chief map of an engine in all different types that they exist as is to alter the energy stored in fuel as chemical energy into a thermic energy which is a signifier where the engine can pull out and bring forth mechanical work end products from it. [ 1 ] Normally the engine is the device that makes all of this possible by leting the air/fuel mixture to travel through different sort of phases to make to the chief end which is pull outing mechanical work out of the chief energy supply which is normally chemical energy [ 1 ] . There are two different type of engines which are: internal burning engine, an external burning Engine, the chief difference between the two is where the Burning of fuel happens, in an external engine the burning of fuel/ air mixture happens outside the cylinder halls, while on the other manus the burning take topographic point inside the cylinder of the Piston in the internal burning engine [ 1 ] . There are different constituents that together organize an internal burning engine some of the of import 1s are: Cylinder form that contains Piston traveling up and down of it, Spark stopper to light the fuel/air mixture, Valves ( recess and fumes ) , Piston rings, Connecting rods, and Crankshafts ( Refer to calculate 1 to exemplify the Engine constituents ) [ 2 ] . Figure Engine parts The engine nomenclature can be summarised by four simple stairss: first measure being the recess valve gap and the Piston traveling down indoors a cylinder to allow as much air/fuel mixture into the cylinder as possible and so step two takes topographic point where the Piston moves back upwards to compact the mixture this is done merely when both valves are closed recess and exhaust valves is closed to halt any opportunity of mixture escaping, the 3rd phase is summarised by the ignition of the mixture to let go of thermic energy which causes the Piston to be driven down to pull out all the energy through Piston and linking rod. Once the energy is extracted the Piston hit the underside of the cylinder the fumes valve is unfastened to let to force the fuel outside of the cylinders so the rhythm can be so once more carried out [ 2 ] .this will be farther explained in subdivisions below.there are different sort of ways in which internal burning engines can be classified under such as: ba sed on thermodynamic rhythms, working rhythms, Fuel used in it, Method of ignition, Speeds, method of chilling, lubrication systems, application country and basic engine designs and many others [ 1 ] . However a focal point is drawn to two types of engines in this article which are: Diesel engine, Petroleum engine and chiefly a deeper research and focal point is done on the crude oil internal burning engine [ 1 ] . There is a quite difference between the two engines, in an Otto Engine ( crude oil engine ) , the first difference is being that the Otto engine suction phase suctions in both fuel and air together while Diesel engine suction in air merely and so shoot fuel in the air, hence more constituents are required in the Petroleum engines as a portion needed to blend the fuel and air before come ining the burning chamber which are normally carburetors and parts to light the mixture to let go of thermic energy out of it unlike in Diesel engine where self-ignite is carried out. Furthermore, they operate with different compaction ratios with crude oil holding less compaction ratios and many other differences are shown in the tabular array below [ 1 ] . Internal burning engine ( Spark ignition ) the four shot engine existed of all time since 1876 when Otto introduced his Figure Comparison between Spark ignition engine and Compression ignition engines thought at the universe exhibition in Paris and it was found that his thought of Otto engines is considered to be most economical at that clip, merely like any other engineering that exist and introduced to the market the Four shot engine has gone under different sort of accommodation to increase the efficiency and to better the functionality and adaptation for new sort of different application. However the construct still remains the same as the map of Otto engines is define by an Otto Cycle which consists of 4 Phases in each of these phases a critical timings and different factors affect the work, the chief thought was summarized before but now a farther account is given with respect of how an Spark ignition internal burning engine work [ 3 ] . As said earlier, Otto Engines are called four shot engines which mean each engine rhythm take four phases to finish, or in another words the Piston has to go four times inside the cylinder in order to bring forth any work [ 3 ] . First phase being the suction phase which is illustrated in figure 4, portion ( a ) this phase start by the recess valve unfastened to let air/fuel mixture to come in the cylinder when the Piston caput moves down to suck in air/fuel mixture, while in the same clip the fumes valve is closed to halt escaping gases, this phase halt when the Piston has travelled to the full to the underside and the Inlet valve shutting. This besides can be seen as the 0-1 phase on the P-V diagram in Figure 3 [ 3 ] . Second phase is explained as the compaction phase, where the chemical mixture is compressed and it is illustrated in figure 4, portion ( B ) . In this phase both valve is closed for the same ground earlier which is to halt mixture from get awaying while the Piston is compacting it during upward motion this can be seen in 1-2 in a P-V diagram figure 3, towards the terminal of this phase the tight mixture is so ignited to utilizing a flicker stopper which is normally found in the Centre of the cylinder, this ignition helps in altering the chemical energy into a thermic energy signifier which will consequences in high addition in temperature inside the burning chamber, this is shown by 2-3 on the P-V diagram figure 4 [ 3 ] . Phase 3 could be explained as the phase where enlargement is go oning which is illustrated in Figure 4 portion ( degree Celsius ) .the status is about the same as the compaction phase except the Piston is forced downwards as consequence of the combustion gases force per unit areas, hence power is produced during this phase and absorbed by the Piston. A noticeable bead in both temperature and force per unit area is go oning due to the enlargement go oning this is seen 3-4 in Figure 3 [ 3 ] . Stage four is the phase where gases are allowed to get away outside the cylinder this is shown in figure 4 portion ( vitamin D ) .In this phase the Exhaust valve is opened and this Piston moves once more up wards to coerce the staying gases outside the cylinder this is shown in 5-0 in the P-V diagram in Figure 3 [ 3 ] . This is where an engine finish one rhythm now the same rhythm is repeated merely with commixture of residuary gasses ( gases that did non get away during the exhaust phase ) [ 3 ] . Figure P-V diagram Figure Four-Stroke Engine phases The advantages of holding four shot engines over the 2 shot engines are many such as the four shot engines are much more fuel economic than the 2 stroke engines cause during 2 phases at that place is non adequate clip to fire all fuel, which once more leads to another advantage of being less polluted than 2 stroke engines as it tends to fire most of the mixture. Another advantage being that the four shot engine produces more torsion at low revolutions per minute when compared to the 2 shots engines this is once more related to the fuel combustion and the clip take to devour the energy over all. Furthermore comparing both engines in lastingness country, a immense advantage is found on the four shot engine than it is in the two shot engine, the ground being is that 2 shot engines are to run at truly revolutions to bring forth power and the more you revolute the more you wear your engine constituents [ 4 ] . Furthermore, when comparing both engine gasolene and Diesel there are certain points where the gasolene return advantage over Diesel while the other manner around in some other, when it comes to power and torsion it is a split determination between them none of them radiances, it is more like based on the application. When fuel economic system Diesel takes over in this field as the energy denseness in fuel is higher than this present in gasolene which means takes batch energy to bring forth the same power produced by a Diesel engine [ 5 ] . Another field to look at is cost when comparing both engines a gasolene is cheaper than a Diesel as Diesel engine required to work under high compaction ratios therefore everything comes with monetary value. Noise and quiver a gasolene engine takes over this field as it is much more quitter than a diesel engine and it agitate less and sometimes it is even difficult to state if a gasolene engine is running at low velocity [ 5 ] . Cold conditionss is another facet to compare both engine and the advantage of gasolene is by clear stat mi as the gasolene tends to hold flicker stoppers which helps in get the better ofing the cold conditions unlike Diesel engines where it self-ignite which means it may take clip before it can make so. Maintenance wise, the gasolene engines have advantage in short-run as there are several grounds doing Diesel to lose in this class such as big sum of oil nowadays in the engine fuel filters and so on [ 5 ] . Fuel cost, Diesel engines tend to hold it as advantage because Diesel is easy to polish from natural gasoline than gasolene which means it cost less than gasolene normally but nevertheless in some instances, Diesel may stop up with high monetary values as it is non a usual fuel to run vehicle in that specific part. Finally fuel handiness gasolene is more likely to be found all over states than the Diesels found as it is used more frequently when it comes to autos for obvious grounds such as comfort and safety and size [ 5 ] .Engine public presentationEngine public presentation is normally referred to as engine efficiency ( ? ) . There are different sorts of efficiency that outline the overall public presentation of an engine, such as [ 3 ] : Indicated thermic efficiency ( -Indicated thermic efficiency is fundamentally defined as how much energy in an indicated power ( & A ; igrave ; P ) is ensuing per the injected fuel ( & A ; igrave ; degree Fahrenheit ) [ 3 ] . Brake thermic efficiency ( -This is similar to the Indicated thermic efficiency except it defines the interruption power instead than the indicated power, so it is how much interruption power ( is ensuing due to fuel injected ( & A ; igrave ; degree Fahrenheit ) [ 3 ] . Mechanical thermic efficiency ( -Mechanical efficiency is defined and found to be as sum of interruption power ( to the corresponding indicated power ( and may besides be found by as the sum of interruption thermic efficiency to a corresponding thermal indicated efficiency [ 3 ] . Volumetric efficiency ( ââ¬â This efficiency normally found as how much volume flow rate of air is sucked in an engine over the rate of displaced volume [ 3 ] . Density is the denseness of air at the recess valve. This efficiency is consider to be an of import parametric quantity that defines and outlines the over all of four shot engines. As the overall engine external respiration is controlled by this efficiency [ 3 ] . Furthermore, the better status of air sucked in by engine will specify the power of the engine under the status of an engine will suck in every bit much air allowed indoors. The mean ideal volumetric efficiency found when using full accelerator in spark engines is between 80 % -85 % [ 3 ] . You want maximize the volumetric efficiency of an engine to increase the thermic efficiency of an engine which will increases the overall public presentation of an engine [ 3 ] . Relative efficiency ( ââ¬â Relative efficiency is explained as the sum of thermic efficiency produced by an engine during a rhythm compared to an ideal rhythm. The value of the comparative efficiency is of import as it defines the advancement of an engine [ 3 ] . Mean Piston velocity ( ) -the average Piston velocity counts and play a immense function in specifying engine public presentation it is found to be as L is the shot of Piston N is the grouch shaft rotational velocity The average Piston velocity defines how much each phase of the four shot engines is efficient. However this parametric quantity comes with bounds as the gases resist fluxing into an engine or as the emphasis produced due to the clash of different traveling constituents [ 3 ] . Specific power end product ( ââ¬â Specific power end product is found to be the sum of power produced to the corresponding Piston country, this can be used to specify how good is the Piston country used by the engine maker to bring forth power without taking cylinder size into consideration [ 3 ] . Specific Fuel ingestion ( sfc ) -The sum of fuel consumed by an engine is normally explained and defined by the specific fuel ingestion, which is found by spliting the fuel over clip by the power produced by the engine. The value of SFC tells how good is the engine executing [ 3 ] . Fuel/Air ( F/A ) ratio or air/fuel ratio ( A/F ) ââ¬â this is another of import factor that consequence the overall public presentation of an engine, it is really of import to fit the right values of fuel and air. Looking at both footings normally the term fuel to air is used as the fuel is the factor altering with the velocity in four shot engine. There are three different sorts of mixtures that can ensue of different ratios ; the first mixture is referred to it as chemically right ( stoichiometric ) sum of air to make complete burning of all fuel, 2nd one is called Rich mixture where the ratio of fuel interior is higher to the corresponding air atoms, and eventually the thin mixture where the sum of fuel/air ratio is less than stoichiometric. Thin mixtures are considered to be the most efficient [ 3 ] . The chief point to make the end of high efficiency is to make full the cylinder of an engine with every bit much possible and so combust in an efficient manner. To command how much is the charge being drawn by a cylinder, a really of import constituent plays a great function in commanding that, Cam shafts, as an addition on the valve gap or being lifted will ensue in restricting the limitation on the charge at the consumption which will take to and increase on the sum drawn to inside of the cylinder [ 6 ] . This is reasonably simple and non a difficult undertaking to accomplish. However the consequence of imbrication is complicated, overlapping is defined as the period where the consumption valve and the fumes valve are unfastened at the same clip [ 6 ] . To explicate, when the fumes valve is unfastened during the exhaust phase, at the terminal of that phase the air being exhausted out could do to suck in more charges into the cylinder if the consumption valve is unfastened to a certain extent, this relates to good fumes scavenging ( the procedure of taking left combusted gases out of the cylinder and make fulling it with new mixture ) [ 6 ] . Second point to maximise the air at the recess, an consumption design should be near idle at relation with the camshafts. Different RPM required different smuggler times and diameters [ 6 ] . At low RPM, Long but little diameter smuggler are required which will ensue in making maximal intake speed, therefore will take to higher intake inactiveness. As the RPM increases the diameter smugglers tend to increase in size and acquire shorter. Besides an addition in the figure of intake valves and recess ports will take to an addition of charges inside of cylinder nevertheless this is tend to be limited to the design of the burning chamber [ 6 ] . Compaction ratios are considered to be a high precedence factor that enhances an engine public presentation, the higher the compaction ratio the more thermic efficiency. But merely like any other factor this comes with a restriction as the more compress a mixture, the more you move towards self-ignite ( as the enlargement of fuel/air mixture will ensue in high temperature which will take the fuel to light before the release of the flicker ) this is the nomenclature used to run diesel engines. Another ground of the restriction of ability to increase the compaction ratio is that it may explode if non self-ignite ( explode besides known as the engine knock, it is defined as the combustion of fuel at high temperatures due to high compaction ratios which will take to strike hard or sudden detonation inside of a burning engine ) . The ideal compaction ratios that normally a crude oil engine can manage are around 10.5:1 [ 6 ] . However, in existent life scenario engines are capable to losingss at every phase, so even as it is desired to hold 100 % efficiency, it is rather impossible to accomplish due to clash and other grounds such as transmittal and so on, the ideal flicker ignition engine will hold about 25 % -30 % maximal [ 2 ] .Internal burning engines fabricating and managing practical facetsIn general internal burning engines existed since long clip now and different sort of development and betterment where introduced to the engines in which some of them where successful and some of them where non. A batch of these developments where discarded as it did non turn out it is functionality. Most engines that exist today are merely improved versions of those in early ages, Engine Design count to be a major of import facet while fabricating an engine, as any mistake or misidentify in little inside informations can be the company a batch of money other than impacting the safety and the comfort of a rider. En gine design requires critical determinations that are non based on mathematical background instead situational [ 7 ] . A successful engine design sing weight, majority, finicky and dependability and lastingness will depend on how good is the original elaborate design. Major jobs during planing an engine and fabricating an engine occur such as Structural unity, which means offering a portion practical structural place that can manage a batch of the end point gas force per unit areas, thermic enlargements and vibrational forces without adding excess cost and weight or size in the engine, it is a really hard undertaking to accomplish and yet the most of import factor to see while looking at designing/manufacturing of an engine [ 7 ] . Choosing the right stuff in which each portion of the engine is manufactured from is another critical measure to be taken attention of ; as the status inside of an engine differs some of portion should defy high force per unit areas while other should stand high temperatures. Besides the ability of these stuffs to defy different sort of day-to-day conditions such as wear, corrosions and so on based on the location of each portion, In general the stuff used to fabricate parts of engines are about standardised nevertheless the sum of complexs inside the stuff is still a variable to look at in order to accomplish good consequences [ 7 ] . Packaging and put ining engine inside of vehicle requires a deep idea to insulating the engine from the vehicle construction to cut down all the quiver cause by the inertial minute of engine which if transmitted will take to noises and unwanted uncomfortable drive. Engine saddle horses are at that place to function and assist in work outing this job, their chief map is to back up the engine weight inside a auto goon and to halt transmittal of the vibrational voices which limits the above conditions and increases comfort of the drive. Choosing the right saddle horse for the engine to settle on is really of import as if the saddle horse chosen is non suited it may take to clefts and interrupting down of the engine pipes and fumes pipes which will do a batch of money to replace [ 8 ] . The factors above were considered while doing and planing an engine and so put ining. Another facet to look at is the care of engines after installing and how it affects the overall public presentation of an engine and the life clip of that peculiar engine. Furthermore since engines are running normally at really high temperatures, and most of the energy released is heat, a chilling system is required to be installed to forestall engine off of overheating, furthermore chilling systems have another of import function which is to heat up the engine at really fast rate yet maintain it on coveted temperature, cause engine running at cold conditions will increase the wear of it constituents and the rate of bring forthing pollutant gases, another ground to keep engines at changeless coveted temperature is that to hold the burning chamber hot plenty to accomplish complete burn of the fuel and to keep the oil at low viscousness values which make it easy for the engines portion to travel. There are two different types of engine chilling which is either liquid or air chilling [ 9 ] . When it comes to utilize of auto, it is used on day-to-day footing so maintenance of different sort of auto parts is required ; engine care is one of those parts. Carburetors that mix fuel should be checked on regular footing to guarantee holding the right mixtures to fire, Oil altering is required every bit good on regular as it has of import function of lubricating the engine parts such as Piston and camshafts and linking rods and many others, oil systems are normally running in a cringle where the oil is collected eventually in a sump, the oil normally should be changed cause it accumulates soil and wont lubricate as much, do oil additives will finally turn less so it will non be as effectual [ 2 ] .Well to wheel Energy/ EmissionsWell to wheel energy is defined as the energy spent from pull outing different fuels from the natural stuff up until the energy is used by the auto and released as emanations. There are two chief phrase should be understood, first one is the Well to Tank ( WIT ) which is the energy spent to acquire fuel from natural stuff extracted from to the fuel pumps and armored combat vehicles and ready to be distributed for autos, the other is called Tank to Wheel ( TIW ) which is defined as sum of energy released during pumping and combustion of fuel up until its consumed and used by the auto wheels as mechanical energy, ( WIT ) and ( TIW ) represent a life rhythm of fuel which is shown in figure ( 5 ) .The usual fluid found and used in the internal burning engines in automotive field such as gasolene and Diesel are extracted from rough oil [ 10 ] . Extraction of rough oil is normally by natural force per unit area of belowground armored combat vehicles, nevertheless some state of affairs it requires the gas force per unit area injected in to pull out the petroleum oil, following measure is to stabilise the rough oil before transporting it as it is normally come with gases ( normally either shipped as by merchandise or used to shoot back into the belowground armored combat vehicles ) . The status of pull outing rough oil and bring forthing it vary based on many factors such as part it is extracted from, Fieldss, even from one well to another. So accurate value of emanations and energy can non be stated, an appraisal of those values can be give as 3.3g emanations eq/MJ and 0.025 MJ/MJ, normally the petroleum oil available for usage in Europe states is shipped all the manner from Gulf states this explain the low energy spent as it tends to be at low scope in that part where petroleum oils extracted [ 10 ] . C: UsersGambitDesktopFu el cycle.JPG Figure Fuel Cycle Well To Wheel Crude oils so shipped to different states to be refined after it has been extracted and produced. Largely rough oil is transported utilizing the sea but this may alter based on the distance it has to go, another mean of transit of petroleum oil is the grapevine through different countries such as Russian country to the European eastern states [ 10 ] . Here once more the diverseness of transporting a fuel it makes it difficult to gauge the entire energy/emissions, but since it is already considered most fuel is from in-between east the values of energy is around 10MJ/MJ and 0.8 eq/MJ [ 10 ] . Now that the petroleum oil has been transported to European part it has to be refined before usage, so the survey of energy spent and emanations produced is based on surveies in the Europe refineries. Oil refinery fundamentally is to divide different constituents of the petroleum oil, acquire rid of the unwanted compounds such as sulfur, altering the heavy molecules presented to want light leaden molecules. Usually refineries spent an norm of 6 % of energy to bring forth and polish, oil refineries tends to make a batch of merchandises from one stock, so it is about impossible to divide and happen values of energy and co2 emanations of individual merchandise but instead the values of the refinery itself as whole. However a unsmooth appraisal can be achieved based on survey done on 3 different merchandises and different sort of restriction has been set before giving the consequences shown in graph ( 6 ) [ 10 ] . Figure Energy and Greenhouse Gases emanations in refineries Then fuel is transported to fuel station by different sort of mean such as route oiler, trains or even grapevines, to presume the entire energy and emanation produced, all of the above transit is been taken into consideration. A value of 20KJ and more than 1 gram combining weight per MJ is set to be the concluding station of fuel [ 10 ] . The standard NEDC [ New European Driving Cycle ] has been taken as mention for ciphering and gauging the TTW emanations and fuel ingestions. The usual route fuels are taking into consideration while gauging the value below in the graphs based on the NEDC ordinance and computations. Harmonizing to many surveies that the mix of different engineerings are introduced to run autos are turning so that is taken into consideration as good [ 11 ] . The NEDC WTW Energy and emanation equations are given below as [ 11 ] : WTW GHG ( g CO2eq/km ) = TTW GHG ( g CO2eq/km ) + TTW energy ( MJf/100 km ) /100 ten WTT GHG ( g CO2eq/ MJf ) [ 10 ] Entire WTW energy ( MJ/100 km ) = TTW energy ( MJf/100 km ) x ( 1 + WTT sum expended energy ( MJxt/MJf ) ) [ 10 ] The information in figure ( 7 ) and figure ( 8 ) represent the energy spent and used to travel the auto in a European rhythm for 1 kilometers without neglect to the beginning of the fuel [ 11 ] . Figure ( 6 ) illustrate the well to wheel energy spent by different type of vehicles such larboard injection flicker ignition ( PISI ) , direct injection flicker ignition ( DISI ) for both gasolene and Diesel over the old ages of 2002 boulder clay 2010 and so including different sort of intercrossed autos in the 2010s. We can observer a batch of betterment towards utilizing energy as the DICI and PICI engines are shuting the spread between them with respect to efficiency and fuel ingestion as the engineering is taking a good advantages of turbocharging and downsizing, every bit good as traveling towards intercrossed autos the energy consuming is improved by about 15 % in crude oil engines and 18 % in Diesel [ 11 ] . So the focal point towards constructing intercrossed autos and bettering bing 1s will assist in sufficiently in diminishing the energy consumed to run autos. [ 11 ] Figure WTW Energy Using NEDC Cycle 2002-2010 Figure 7 represents the Greenhouse Gases emitted WTW Numberss utilizing the NEDC route Cycle once more, and as said earlier the PICI and DICI are traveling towards bettering and the spread in between them is contracting and every bit good as they are acquiring closer to viing with diesel efficiency due to grounds Clearfield before, now as the efficiency of any engine addition means the fuel ingestion decreases which means less fuel to fire to acquire same energy, less fuel mean less emanations are produced. Hybrid autos debut and betterments is assisting a batch in cut downing the emanations because electrical constituents function otherwise and a burn of chemical energy is non required hence, there is no release of gases [ 11 ] . Figure WTW Greenhouse Gas emanations Using NEDC Cycle as mention
Wednesday, October 23, 2019
Green Ox Essay
The new products division of Palmer Jackson, Inc. , a Cincinnati-based food and beverages manufacturer, successfully perfect a technique for dissolving common antioxidants such as Vitamin E and Selenium into high-glucose beverages. As a result a new line of sports beverages with added benefit of antioxidants occur. Palmer Jackson hired AccuityBrand, a brand consultancy specializing in developing product names and logos, to name and develop creative packaging for this new product. The new beverage was named Green Ox, and after a short discussion with management, the name was approved. Now that the name Green Ox was approved by the management Palmer Jackson needed to make several important decisions about the introduction of the new product. Palmer Jackson hired Marketing Studies Incorporated (MSI), a well-respected marketing research firm, to work on this product and to provide some basic competitive intelligence. Management believed the main competitors of Green Ox were recognized sports drinks and some vegetable juices, most particularly V7 and surprisingly strong interest among those who currently purchase antioxidants in pill form. Research conducted by MSI that up to10% of the people who purchased antioxidants in pill form would be interested in obtaining these vitamins and minerals from beverage rather than a pill. The objective of this case is to make a new beverage to compare it to the other old beverages that track record of successful sales in other channels. This is to test whether the new product is more efficient than the others. Where, the Green Ox successfully perfected a technique to dissolve common antioxidants into high-glucose beverage The campaign we want to launch for the new line of products seeks to distinguish ââ¬Å"Green Oxâ⬠from its rivals by promoting its antioxidant content. The promotion will be designed, firstly to drive awareness of Green Ox and its key point of differentiation: antioxidants. We will use advertising for education. A website will e created which will five all the information about the products ad their benefits for heath and physical conditioning. Because of antioxidants content, Green Ox is a functional drink that is truly different from its competitors. Palmer Jackson realizes that product, price distribution, and promotion decisions for Green Ox all rely on the decisions they make, that all four of the â⬠Pâ⬠decisions are tangled and depend on each other. They feel that the place to start is with some notion of how many flavors of Green Ox they should introduce and at what price. The problem exist because of the several social trends that the senior management at Palmer Jackson believed might be important in determining the success and growth potential of Green Ox. Some problems that the company encountered are to decide quickly the segment(s) to target, and how the product would be positioned in the minds of its potential consumers. It also needed to decide how the product would be priced to the retailer as well as how many flavors should be introduced. Complicating matters was managementââ¬â¢s keen understanding that all of these decisions depended on each other. Alternative identification and evaluation The company can solve the problem by managing their time in deciding what seems to be the exact target. The company should also be active and responsible enough to know what price and how it will be presentable to the potential consumers. Even in complicated matters the management should be open-minded and they must agree among themselves every decision that they make. These are the advantages of the product: it has more benefits added to their product than the V7 products; it produces new flavor; even though itââ¬â¢s expensive it is worth it; it is also a good alternative for the other sports drinks. We will use advertising for education. A website will be created which will five all the information about the products and their benefits for health and physical conditioning. The whole campaign will emphasize our competitive advantage. Solution Conclusion: Palmer Jackson Inc has developed a new line of sports beverages which have the added benefit of antioxidants. They have developed several elements of their brand strategy with the agency Accuity Brands which is a branding consultancy, where there are marketing strategy specialists. They have also hired Marketing Studies Incorporated, a well-respected marketing research firm, to work with the management team. The most important issue for Palmer Jackson Inc is the positioning and segmentation of their new drink, Green Ox. There are three main competitive markets: Sport Drink, Antioxidant & V7 in which Green Ox will compete for market share.
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