A cold air-standard Otto cycle has a compression ratio of 12 and the temperature and pressure at the beginning of the compression process are 520°R and 14.2 lbf/in.2, respectively. The heat addition per unit mass of air is 600 Btu/lb. Assume constant specific heats evaluted at 520°R. Given:

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Q: A cold air-standard Otto cycle has a compression ratio of 12 and the temperature and pressure at the…

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Q: the maximum temperature, in °R. the maximum pressure, in Ibf/in.2 the percent thermal efficiency.

A: Given: Otto cycle P1=14.2 lbf/in2 T1=520 R Compression ratio=12 Heat added=600 Btu/lbm TO determine:

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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.