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Engineering and Tech / Fundamentals of Engineering Thermodynamics 8 / Chapter 9 / Problem 9.1

Fundamentals of Engineering Thermodynamics | 8th Edition | ISBN: 9781118412930 | Authors: Michael J. Moran

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QUESTION:

At the beginning of the compression process of an air- standard Otto cycle,\(p_{1}=1 \mathrm{bar} \text { and } T_{1}=300 \mathrm{~K}\). The compression ratio is 8.5 and the heat addition per unit mass of air is 1400 kJ/kg. Determine the net work, in kJ/kg, (b) the thermal efficiency of the cycle, (c) the mean effective pressure, in bar, (d) the maximum temperature of the cycle, in K.

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QUESTION:

At the beginning of the compression process of an air- standard Otto cycle,\(p_{1}=1 \mathrm{bar} \text { and } T_{1}=300 \mathrm{~K}\). The compression ratio is 8.5 and the heat addition per unit mass of air is 1400 kJ/kg. Determine the net work, in kJ/kg, (b) the thermal efficiency of the cycle, (c) the mean effective pressure, in bar, (d) the maximum temperature of the cycle, in K.

ANSWER:

Step 1 of 9

For state 1

- The temperature

- The pressure bar

- Compression ratio

-The heat addition per unit mass of air

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