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Thermodynamics: An Engineering Approach | 8th Edition | ISBN: 9780073398174 | Authors: Yunus A. Cengel
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Repeat using constant specific heats at room temperature.

Chapter 9, Problem 935

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QUESTION:

Repeat using constant specific heats at room temperature.

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QUESTION:

Repeat using constant specific heats at room temperature.

ANSWER:

Step 1 of 7

An ideal Otto cycle with air as the working fluid has a compression ratio of 8.

The pressure and temperature at the end of the heat addition process, the net work output, the thermal efficiency, and the mean effective pressure for the cycle are to be determined.

Assumptions are

1. The air-standard assumptions are applicable.

2. Kinetic and potential energy changes are negligible.

3. Air is an ideal gas with constant specific heats.

The properties of air at room temperature are , ,, and  (Table A-2).

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