Please atleast answer this question. I will upvote 9-32 An ideal Otto cycle has a compression ratio of 8. Atthe beginning of the compression process, air is at 95 kPa and27°C, and 750 kJ/kg of heat is transferred to air during theconstant-volume heat-addition process. Taking into accountthe variation of specific heats with temperature, determine (a)adithe pressure and temperature at the end of the heat-additionprocess, (b) the net work output, (c) the thermal efficiency,and (d) the mean effective pressure for the cycle. Answers: (a)3898 kPa, 1539 K, (b) 392 kJ/kg, (c) 52.3 percent, (d) 495 kPa495 kPafam

From the temperature, the relative specific volume and internal energy at inlet conditions can be…

Answered: the pressure and temperature at the end…

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. Answers: (a)

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 750 kJ/kg of heat is transferred to air during the constant-volume heat-addition process. Taking into account the variation of specific heats with 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.
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. Taking into account the variation of specific heats with temperature, determine (a) the pressure and temperature at the end of the heataddition process, (b) the net work output, (c) the thermal efficiency, and (d) the mean effective pressure for the cycle Answers: (a) 3898 kPa, 1539 K, (b) 392.4 kJ/kg, (c) 52.3 percent, (d ) 495 kPa Please I need solution for this. Why efficiency is 52.3%, when I calculated it, its 56.47%
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