An Otto cycle begins its compression at 94kPa, 1230cm^3 and 11degC. The dispalacement volume and maximum temperature within the cycle is 1090cm^3 and 920degC and respectively. Utilizing air standard assumptions, determine the: a. thermal efficiency (%) b. mean effective pressure (kPa). Consider the cycle as a model of the process in each cylinder of a spark-ignition engine. c. Net power output (kW) if the engine has four cylinders and the cycle is repeated 1200 times per minute in each cylinder Show the T-s and P-v diagrams when solving. Note that specific heats are not constant
An Otto cycle begins its compression at 94kPa, 1230cm^3 and 11degC. The dispalacement volume and maximum temperature within the cycle is 1090cm^3 and 920degC and respectively. Utilizing air standard assumptions, determine the: a. thermal efficiency (%) b. mean effective pressure (kPa). Consider the cycle as a model of the process in each cylinder of a spark-ignition engine. c. Net power output (kW) if the engine has four cylinders and the cycle is repeated 1200 times per minute in each cylinder Show the T-s and P-v diagrams when solving. Note that specific heats are not constant
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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An Otto cycle begins its compression at 94kPa, 1230cm^3 and 11degC. The dispalacement volume and maximum temperature within the cycle is 1090cm^3 and 920degC and respectively.
Utilizing air standard assumptions, determine the:
a. thermal efficiency (%)
b. mean effective pressure (kPa). Consider the cycle as a model of the process in each cylinder of a spark-ignition engine.
c. Net power output (kW) if the engine has four cylinders and the cycle is repeated 1200 times per minute in each cylinder
Show the T-s and P-v diagrams when solving.
Note that specific heats are not constant
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