An ideal diesel cycle powered by air has a compression ratio of 20. At the beginning of the compression process, the pressure of the air is 100 kPa, the temperature It is 20 °C and the highest temperature of the cycle is requested not to exceed 2250 K. Show the cycle in the P-v diagram. Assume specific heats are constant at room temperature.       k=1.4       Cp=1.005 kJ/kgK        Cv=0.718 kJ/kgK        R=0.287 kJ/kgK a) Calculate the heats entering and leaving the cycle and the thermal efficiency of the cycle. b) Calculate the average effective pressure of the cycle.

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IC engines

The term "engine" indicates a mechanical device/machine used to convert input energy to a specific mechanical output. The input energy may be in the form of chemical energy, thermal energy, or so on and mechanical output is in the form of mechanical energy (work done). Generally, the engines classify into two groups which are internal combustion type and external combustion type, and further, these two types can be classified into two types that are reciprocating and rotary engines.