Instead, assume variable specific heat An ideal Diesel cycle has a compression ratio of 17and a cutoff ratio of 1.3. Determine the maximum tempera-ture of the air and the rate of heat addition to this cycle whenit produces 140 kW of power and the state of the air at thebeginning of the compression is 90 kPa and 578C. Use con-stant specific heats at room temperature

1. An air-standard Diesel cycle has a compression ratio of IX and a cutoff ratio of 1,4. At the beginning of the compression process, air is at 97 kPa and 17°C. Accounting for the variation of specific heats with temperature, determine, a. the temperature after the heat-addition process, b. the thermal efficiency, and MEP c. the entropy generation of the engine (40 Point)

In an air standard diesel cycle, compression starts at 100kPa and 300K. The compression ratio is 16 to 1. Themaximum cycle temperature is 2031K. Determine the thermalefficiency of the cycle?

A compression ignition engine operates on a diesel cycle has a compression ratio of 20 and uses air as the working fluid, the cut off ratio is (1.5). The air at the beginning of the compression process is at 100 kPa and 30 C. If the maximum temperature of the cycle is 2000 ºC. Under cold air standard assumptions at room temperature.  d. Determine the net-work output, the thermal efficiency, and the mean effective pressure for the cycle

An ideal Otto Cycle has a compression ratio of 10. At the beginning of the compression process, air is at 100 kPa, 0.004 m³ and 10°C. The maximum cycle temperature is 1200°C. Use cold-air-standard assumptions (c, = 1.005–, c, = 0.718-.k = 1.4), determine kgk' kgK' a) Maximum pressure in the cycle b) the heat rejection and the net work output, c) the thermal efficiency. P. kPa Isentropic Isentropic 100

The maximum pressure of an ideal Otto cycle is 5.6 MPa. The compression ratio of the cycle is8.2 and at the beginning of the compression process air has a temperature and pressure of 285K and95kPa. Using cold air standard assumptions calculate the maximum temperature of the cycle, theamount of heat added in the combustion process and the exhaust temperature.

(can expect help me on questions 5-10 of my this practice problem statement ?)The container truck engine operated on the diesel cycle with a compression ratio of 12. Assume the mass of air in the engine is conserved. At the start of the compression process, the air is at 1 atm and 30 oC. 400 kJ/kg of heat is removed from the air during the constant-volume heat rejection process. The ratio of . Through the diesel cycle, 20% of the work done by the air is used to operate the vehicle's refrigeration and heat pump system. One diesel cycle took 0.7s to complete. The heat rejection from the refrigeration and heat pump system is 800 kJ. The refrigeration system uses R-134a as the working fluid and operates between 100 kPa and 1200 kPa pressure limits. cp = 1.005 kJ/kg/K, cv = 0.7177 kJ/kg/K, R = 8.314J/mol/K, Molecular mass of air= 29g/mol.   1) Calculate the temperature at the start of the heat rejection process. 2) Calculate the temperature at the end of the heat addition process. 3)…

An air standard Ericsson Cycle operates under steady- flow conditions. Air is at 120kPa and 27°C at the beginning of the isothermal compression process, during which 150 KJ/kgm of heat is rejected. The air is at 927°C during the isothermal heat-addition process. Compute the maximum pressure in the cycle, the network and thermal efficiency of the cycle.

In an ideal Otto Cycle, the temperature at the end of the heat addition process is2600 deg. F. and the temperature at the end of the expansion process is 883deg. F. What is the compression Ratio?

A four-cylinder, four-stroke engine has a displacement volume of 300 cc (cubic centimeter) per cylinder. The compression ratio of the engine is 10 and operates at a speed of 3000 rev/min. The engine is required to develop an output of 40 kW at this speed. Calculate the cycle efficiency, the necessary rate of heat addition, the mean effective pressure, and the maximum temperature of the cycle. The inlet conditions are 1 .1bar and 30 deg.C, respectively. Analyze using the Otto cycle and Diesel cycle. Compare the results.