An engine of 250 mm bore and 375 mm stroke works on Otto cycle. The clearance volume is 0.00263 m³. The initial pressure and temperature are 1 bar and 50°C. If the maximum pressure is limited to 25 bar. Find: a) The air standard efficiency of the cycle; b) The mean effective pressure for the cycle. The specific heat ratio is y =1.4 and the gas constant is R=287 J / kg.K
An engine of 250 mm bore and 375 mm stroke works on Otto cycle. The clearance volume is 0.00263 m³. The initial pressure and temperature are 1 bar and 50°C. If the maximum pressure is limited to 25 bar. Find: a) The air standard efficiency of the cycle; b) The mean effective pressure for the cycle. The specific heat ratio is y =1.4 and the gas constant is R=287 J / kg.K
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Transcribed Image Text:An engine of 250 mm bore and 375 mm stroke works on Otto cycle. The clearance
volume is 0.00263 m³. The initial pressure and temperature are 1 bar and 50°C. If the
maximum pressure is limited to 25 bar. Find:
a) The air standard efficiency of the cycle;
b) The mean effective pressure for the cycle.
The specific heat ratio is y =1.4 and the gas constant is R=287 J / kg.K
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