An engine operating on the ideal Otto cycle has a bore of 100 mm, a stroke of 127 mm, and a compression ratio of 7/1. At the beginning of the compression stroke the cylinder contains air at 15.6°C and 1 bar. If the maximum cycle temperature is 1650°C, determine: a. The pressure, volume and temperature at the cardinal points of the cycle. b. The air-standard efficiency. c. The mean effective pressure.

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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3: An engine operating on the ideal Otto cycle has a bore of 100 mm, a stroke of 127 mm,
and a compression ratio of 7/1. At the beginning of the compression stroke the cylinder
contains air at 15.6°C and 1 bar. If the maximum cycle temperature is 1650°C, determine:
a. The pressure, volume and temperature at the cardinal points of the cycle.
b. The air-standard efficiency.
c. The mean effective pressure.
(Ans: cycle max. 0.000167 m', 46.6 bar, 54%, 7.05 bar )
Transcribed Image Text:3: An engine operating on the ideal Otto cycle has a bore of 100 mm, a stroke of 127 mm, and a compression ratio of 7/1. At the beginning of the compression stroke the cylinder contains air at 15.6°C and 1 bar. If the maximum cycle temperature is 1650°C, determine: a. The pressure, volume and temperature at the cardinal points of the cycle. b. The air-standard efficiency. c. The mean effective pressure. (Ans: cycle max. 0.000167 m', 46.6 bar, 54%, 7.05 bar )
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