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An ideal Otto cycle has a compression ratio of 8. At the beginning of the compression process, air is at 100 kPa and 17°C, and 800 kJ/kg of heat is transferred co air during the constant-volume heat-addition process. Take c,= 1.005 kJ/kg•K, Ex= 0.718 kJ/kg ·K for air. Determine: Ca) Maximum temperature and pressure that occur during the cycle. Te : 665.24 T3=1462.2 Ty= 165,21 %3D b) Net work output. c) Thermal efficiency. 7=656,97% P4 219.46 d) Mean effective pressure for the cycle. 7= 56.97% e) Represent the cycle on p-v diagram.

An ideal Otto cycle has a compression ratio of 8. At the beginning of the compression process, air is at 100 kPa and 17°C, and 800 kJ/kg of heat is transferred co air during the constant-volume heat-addition process. Take c,= 1.005 kJ/kg•K, Ex= 0.718 kJ/kg ·K for air. Determine: Ca) Maximum temperature and pressure that occur during the cycle. Te : 665.24 T3=1462.2 Ty= 165,21 %3D b) Net work output. c) Thermal efficiency. 7=656,97% P4 219.46 d) Mean effective pressure for the cycle. 7= 56.97% e) Represent the cycle on p-v diagram.

Elements Of Electromagnetics
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 100 kPa and 17°C, and 800 kJ/kg of heat is transferred co air during the constant-volume heat-addition process. Take c,= 1.005 kJ/kg•K, Cx= 0.718 kJ/kg •K for air. Determine: a) Maximum temperature and pressure that occur during the cycle. Te = 665.24 T3=1462.2 Ty= 165,21 b) Net work output. c) Thermal efficiency. d) Mean effective pressure for the cycle. 7 = 56.97% e) Represent the cycle on p-v diagram. Py 219.46
Transcribed Image Text:An ideal Otto cycle has a compression ratio of 8. At the beginning of the compression process, air is at 100 kPa and 17°C, and 800 kJ/kg of heat is transferred co air during the constant-volume heat-addition process. Take c,= 1.005 kJ/kg•K, Cx= 0.718 kJ/kg •K for air. Determine: a) Maximum temperature and pressure that occur during the cycle. Te = 665.24 T3=1462.2 Ty= 165,21 b) Net work output. c) Thermal efficiency. d) Mean effective pressure for the cycle. 7 = 56.97% e) Represent the cycle on p-v diagram. Py 219.46
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