4. An ideal Otto cycle has a compression ratio of 8. At the beginning of the compression process, air is at 95 kPa and 27 °℃, and 750 kJ/kg of heat is transferred to air during the constant-volume heat-addition process. Using constant specific heats at room temperature, determine (a) the pressure and temperature at the end of the heat-addition process, (b) the net work output, (c) the thermal efficiency, and (d) the mean effective pressure for the cycle.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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4. 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 750 kJ/kg of heat is transferred to air during the constant-volume
heat-addition process. Using constant specific heats at room temperature, determine (a) the
pressure and temperature at the end of the heat-addition process, (b) the net work output, (c) the
thermal efficiency, and (d) the mean effective pressure for the cycle.
Transcribed Image Text:4. 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 750 kJ/kg of heat is transferred to air during the constant-volume heat-addition process. Using constant specific heats at room temperature, determine (a) the pressure and temperature at the end of the heat-addition process, (b) the net work output, (c) the thermal efficiency, and (d) the mean effective pressure for the cycle.
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