The temperature at the beginning of the compression process of air-standard otto cycle with a compression ratio of 10 is 21°C , the pressure is 101kPa, and the mass flow rate of air in the engine is 580 kg/min. The maximum temperature during the cycle is 1300°C. Cp= 1.006 kJ/kg K Cv= 0.717 kJ/kg K 1) calculate the temperature after isentropic compression in the presentable unit? 2) which formula should be used to determine the temperature after the compression? 3) which formula should be used to determine the temperature after expansion?
The temperature at the beginning of the compression process of air-standard otto cycle with a compression ratio of 10 is 21°C , the pressure is 101kPa, and the mass flow rate of air in the engine is 580 kg/min. The maximum temperature during the cycle is 1300°C.
Cp= 1.006 kJ/kg K
Cv= 0.717 kJ/kg K
1) calculate the temperature after isentropic compression in the presentable unit?
2) which formula should be used to determine the temperature after the compression?
3) which formula should be used to determine the temperature after expansion?
4) calculate the temperature after isentropic expansion in the presentable unit?
5) which formula should be used to determine the power obtainable from the cycle?
6) calculate the power obtainable from the cycle kW?
7) calculate the thermal efficiency of the cycle in % ?
8 )which formula should be used to determine the thermal efficiency of the cycle ?
9) which figure represents the diagram for the process?
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