In an ideal Diesel cycle with an isentropic compression ratio of 18, the air is at 300 K and 100 kPa pressure at the start of compression. At the end of the heat input to the cycle at constant pressure, the temperature (maximum temperature) becomes 2700 K. Assuming the cold air standard, what is the amount of heat that must be given to the cycle at constant pressure per unit mass?

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Q: An Otto cycle with the air-standard assumptions (cv=0.717 kJ/kg.K and cp/cv=1.4) has a compression…

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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.