An ideal Diesel cycle with air as the working fluid has a compression ratio of 18. At the beginning of the compression process the working fluid is at 14.7 psia, 80 ⁰F, and 117 in3. The volume at the end of the constant pressure heat addition is 13 in3. Find the temperature and pressure of the air at the end of each process, the net work output, thermal efficiency, and the mean effective pressure. These are the answers a. ?net = 1.297 ??????, ? = 63.2%, MEP 109.6 psi, (solve with cp=0.24 Btu/lbm R, cv=0.171 Btu/lbm R)  I want to see how to solve the problem to get these answers.

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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An ideal Diesel cycle with air as the working fluid has a compression ratio of 18. At the beginning of the
compression process the working fluid is at 14.7 psia, 80 ⁰F, and 117 in3. The volume at the end of the
constant pressure heat addition is 13 in3. Find the temperature and pressure of the air at the end of
each process, the net work output, thermal efficiency, and the mean effective pressure.

These are the answers
a. ?net = 1.297 ??????, ? = 63.2%, MEP 109.6 psi, (solve with cp=0.24 Btu/lbm R, cv=0.171
Btu/lbm R) 

I want to see how to solve the problem to get these answers.

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