An ideal Otto cycle has a compression ratio of 8. At the beginning of the compression process, air is at 95 kPa and 27°C, and 800 kJ/kg of heat is transferred to air during the constant-volume heat-addition process. Take into account the variation of specific heats with temperature. The gas constant of air is R = 0.287 kJ/kg.K. Determine the thermal efficiency. (You must provide an answer before moving on to the next part.)
An ideal Otto cycle has a compression ratio of 8. At the beginning of the compression process, air is at 95 kPa and 27°C, and 800 kJ/kg of heat is transferred to air during the constant-volume heat-addition process. Take into account the variation of specific heats with temperature. The gas constant of air is R = 0.287 kJ/kg.K. Determine the thermal efficiency. (You must provide an answer before moving on to the next part.)
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 ideal Otto cycle has a compression ratio of 8. At the beginning of the compression process, air is at 95 kPa and 27°C,
and 800 kJ/kg of heat is transferred to air during the constant-volume heat-addition process. Take into account the
variation of specific heats with temperature. The gas constant of air is R = 0.287 kJ/kg.K.
Determine the thermal efficiency. (You must provide an answer before moving on to the next part.)
The thermal efficiency is 451.78 %.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff9967612-315b-4ffe-ae20-a8fa78b90f73%2F14667206-fda7-4dbe-8a32-0d7d2f23973f%2Flfmqdie_processed.png&w=3840&q=75)
Transcribed Image Text:An ideal Otto cycle has a compression ratio of 8. At the beginning of the compression process, air is at 95 kPa and 27°C,
and 800 kJ/kg of heat is transferred to air during the constant-volume heat-addition process. Take into account the
variation of specific heats with temperature. The gas constant of air is R = 0.287 kJ/kg.K.
Determine the thermal efficiency. (You must provide an answer before moving on to the next part.)
The thermal efficiency is 451.78 %.
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