An ideal Diesel cycle with air as the working fluid has a compression ratio of 18 and a cutoff ratio of 2. At the beginning of the compression process, the working fluid is at 14.7 psia, 80°F, and 117 in. Utilizing the cold-air-standard assumptions, determine (a) the temperature and pressure of air at the end of each process (use psi and °F), (b) the net work output (in Btu) and the thermal efficiency, and (c) the mean effective pressure (psi). Assume constant, Cp 0.24 Btu/lbm.R, Cv = 0.171 Btu/lbm.R.

An ideal Diesel cycle with air as the working fluid has a compression ratio of 18 and a cutoff ratio of 2. At the beginning of the compression process, the working fluid is at 14.7 psia, 80°F, and 117 in. Utilizing the cold-air-standard assumptions, determine (a) the temperature and pressure of air at the end of each process (use psi and °F), (b) the net work output (in Btu) and the thermal efficiency, and (c) the mean effective pressure (psi). Assume constant, Cp 0.24 Btu/lbm.R, Cv = 0.171 Btu/lbm.R.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

Nswer item number 2 in ice

Item#2
An ideal Diesel cycle with air as the working fluid has a compression ratio of 18
and a cutoff ratio of 2. At the beginning of the compression process, the working
fluid is at 14.7 psia, 80°F, and 117 in?. Utilizing the cold-air-standard assumptions,
determine (a) the temperature and pressure of air at the end of each process
(use psi and °F), (b) the net work output (in Btu) and the thermal efficiency, and
(c) the mean effective pressure (psi). Assume constant, Cp 0.24 Btu/lbm.R, Cv
= 0.171 Btu/lbm.R.

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