An air-standard cycle with variable specific heats is executed in a closed system with 0.0055 kg of air and consists of the following three processes: 1–2 v = Constant heat addition from 95 kPa and 17°C to 380 kPa 2–3 Isentropic expansion to 95 kPa 3–1 P = Constant heat rejection to initial state Use data from tables.   Determine the thermal efficiency.   The thermal efficiency is %

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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An air-standard cycle with variable specific heats is executed in a closed system with 0.0055 kg of air and consists of the following three processes:

1–2 v = Constant heat addition from 95 kPa and 17°C to 380 kPa

2–3 Isentropic expansion to 95 kPa

3–1 P = Constant heat rejection to initial state

Use data from tables.

 

Determine the thermal efficiency.

 

The thermal efficiency is %    

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