Use variable specific heats. An air-standard dual cycle has a compression ratio of 14 and cut-off...
Use variable specific heats.
An air-standard dual cycle has a compression ratio of 14 and cut-off ratio of 1.2. The pressure ratio during constant volume heat addition (process 2-X) is 1.5. Determine the:
(A) Thermal efficiency
(B) Amount of heat added
(C) Maximum gas pressure and temperature when the cycle is operated at 80kPA and 20°C at the beginning of the compression. Use variable specific heats.
Homework Answers
The thermal efficiency is 65.49%
The heat added is 571.022 KJ
The maximum temperature is 1556.154K
The maximum pressure is 49.57 bar
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Use variable specific heats.
An air-standard dual cycle has a compression ratio of 14 and
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