Determine the energy at the end of the isentropic

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Determine the exergy destruction associated with the heat rejection process of the Diesel cycle described in Prob. 9-52E, assuming a source temperature of 3200 R and a sink temperature of 540 R. Also, determine the energy at the end of the isentropic expansion process.

Prob. 9-52E:

An air-standard Diesel cycle has a compression ratio of 18.2. Air is at 120°F and 14.7 psia at the beginning of the compression process and at 3200 R at the end of the heataddition process. Accounting for the variation of specific heats with temperature, determine

(a) the cutoff ratio,

(b) the heat rejection per unit mass, and

Reference no: EM131276675

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