AB POWER ENGINEERING Introduction about the cooling system of internal combustion engines use in agriculture, and how cooling system works
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AB POWER ENGINEERING
Introduction about the cooling system of internal combustion engines use in agriculture, and how cooling system works
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- AB Power Engineering 1.) Discuss the importance of diesel and gasoline engines in the field ofagricultural and biosystems engineering.Engineering Related problems: We assess the efficiency of two methods of chemical energy storage.I. First, we store the energy as natural gas (methane, CH4) and utilize it via combustion. We assume thefollowing efficiencies: electrolysis 70%, water-gas shift reaction 75%, natural gas storage andcirculation 80%, Fischer–Tropsch reaction 80%, combustion 75%. Based on these efficiencies, calculatethe efficiency of the total process.II. Secondly, we want to store the energy as hydrogen and utilize it via a fuel cell. We assume thefollowing efficiencies: electrolysis 70%, hydrogen storage and circulation 70%, fuel cell 50%. Calculatethe efficiency of the total process.III. Which of the two methods would you choose to use the hydrogen produced during electrolysis?intake valve intake compression JO BI Tuel injector the temperature of the gas; power exnaust vaive 0010 exhaust The diagrams show the cylinder of a petrol engine in 4 stages. Petrol vapour and air are drawn into the cylinder, The mixture is then squeezed together, and then exploded by a spark. The explosion pushes down the piston. The exhaust gases are then expelled from the cylinder. Use the first law of thermodynamics to analyse the energy changes during the process. At each stage explain what happens to i) the pressure of the gas; ii)
- Either for gas turbines OR for internal combustion engines, for the sustainable renewable energy future of Mauritius, explain which fuel(s) can be used and explain the combustion process with the help of relevant equations and diagrams. Show clearly how sustainability is achieved through the proper thermal engineering processes. Only few information provided in the images.1. Prepare an engine heat balance and distribution of energy table for the following test data gathered from a Diesel engine plant. A diesel engine plant was tested for one hour in the course of a feasibility study. The following data were gathered in the course of the test. a. Duration of the test One hour b. Generated power 600 kW c. Fuel consumption 18.2 kg at 27 degrees Celsius d. Specific Gravity of fuel 0.930 e. Cooling water flow 950 liters/minute f. Inlet & outlet temperature of cooling water 32 degrees & 45 degrees Celsius respectively 25:1 g. Air-fuel ratio h. Ambient temperature 32 degrees Celsius i. Exhaust gas temperature 425 degrees Celsius j. Specific heat of exhaust gas 1.07 kJ/kg K k. Manufacturers data Generator capacity 650 kW Generator efficiency 92 % 2. Draw following the schematic diagram of a Diesel plant cooling system then label its components. 2.2 Open system with cooling tower I 2.3 Closed system with cooling tower 3. Discuss the heat balance in an…What are the effects of the ignition order of the engine from the point of view of mechanical dynamics of piston engines?
- Draw and explain effect of the following parameters on the performance of the actual internal combustion engine cycle: pumping loss, exhaust blowdown lossA diesel electric plant supplies energy by Meralco. During a 24 hour period, the plant consumed 200 gallons of fuel at 28 deg. C and produced 3930 kw-hr. Industrial fuel used is 28 degree API and was purchased at 5.50 per liter at 15.6 deg. C. What should be the cost of fuel to produce 1 kw-hr?State if the listed statement is Ture (T) or False (F) and correct the false statement: 1. Thermodynamic is a science of energy 2. Closed system is also called control volume 3. Steam power plant cycle is employed to produce a mechanical and electrical energy 4. In a Carnot cycle, the isothermal process in a boiler and a condenser ( ) 5. Isobaric process means volume is constant 6. Isentropic process means adiabatic and reversible 7. Pump is a device that consumes energy 8. Compressor is a device that raises a pressure of incompressible fluid flow ( ) 9. Thermal efficiency means the output by input 10. Cycle means a group of process that has initial state and final state ( ) ( )
- 109. Suit formation in diesel engine is due to 1) excess fuel during combustion 2) excess air during combustion 3) excess carbon during combustion 4) excess CO during combustionEngine specification gives the physical features and performance characteristics of an engine in terms of power, fuel consumption and efficiency.Prepare an engine heat balance and distribution of energy table for the following test data gathered from a Diesel engine plant. A diesel engine plant was tested for one hour in the course of a feasibility study. The following data were gathered in the course of the test. a. Duration of the test One hour b. Generated power 600 kW c. Fuel consumption 18.2 kg at 27 degrees Celsius d. Specific Gravity of fuel 0.930 e. Cooling water flow 950 liters/minute f. Inlet & outlet temperature of cooling water 32 degrees & 45 degrees Celsius respectively 25:1 g. Air-fuel ratio h. Ambient temperature 32 degrees Celsius i. Exhaust gas temperature 425 degrees Celsius j. Specific heat of exhaust gas 1.07 kJ/kg K k. Manufacturers data Generator capacity 650 kW Generator efficiency 92 %