The intake conditions for an air-standard dual (limited pressure) cycle operating with a compression ratio of 15:1 are 0.95 bar and 17oC. The pressure ratio during constant volume heating is 1.5:1 and the volume ratio during the constant pressure part of the heating process is 1.8:1. Using the air tables, calculate: a. The temperatures and pressures around the cycle b. The specific heat input and specific heat rejection c. The thermal efficiency

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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.