An air-standard Diesel cycle has a compression ratio of 16 and a cutoff ratio of 2. At the beginning of the compression process, air is at 99 kPa and 27°C. Account for the variation of specific heats with temperature. The gas constant of air is R = 0.287 kJ/kg.K.

Elements Of Electromagnetics
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An air-standard Diesel cycle has a compression ratio of 16 and a cutoff ratio of 2. At the beginning of the
compression process, air is at 99 kPa and 27°C. Account for the variation of specific heats with temperature. The gas
constant of air is R = 0.287 kJ/kg.K.
Determine the mean effective pressure.
The mean effective pressure is 569.685
kPa.
Transcribed Image Text:An air-standard Diesel cycle has a compression ratio of 16 and a cutoff ratio of 2. At the beginning of the compression process, air is at 99 kPa and 27°C. Account for the variation of specific heats with temperature. The gas constant of air is R = 0.287 kJ/kg.K. Determine the mean effective pressure. The mean effective pressure is 569.685 kPa.
Expert Solution
Step 1: Determine the given data

table row cell compression space ratio open parentheses straight r close parentheses end cell equals 16 row cell cutoff space ratio open parentheses straight rho close parentheses end cell equals 2 row cell pressure space before space the space compression open parentheses straight P subscript 1 close parentheses end cell equals cell 99 space kPa end cell row cell temperature space before space the space compression open parentheses straight T subscript 1 close parentheses end cell equals cell 27 degree straight C end cell row cell gas space constant open parentheses straight R close parentheses end cell equals cell 0.287 space kJ divided by kg space straight K end cell end table


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The mean effective pressure stretchy left parenthesis P stretchy right parenthesis subscript bold mep

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