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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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Required information
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 760 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 net work output.
The net work output is
kJ/kg.

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An ideal dual cycle has a compression ratio of 18. At the beginning of the compression process, air is at 100 kPa and 20 o C, while it is at 1900 o C at the end of the heat-addition processes. If the amount of heat added to air is 1000 kJ/kg, determine the following: 1- The amount of heat added at constant pressure, 2- The amount of heat added at constant volume, 3- The net work done by the cycle, 4- The thermal efficiency of the cycle, and 5- The mean effective pressure.
Required information 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 790 kJ/kg of heat is transferred to air during the constant-volume heat-addition process. Take into account constant specific heats at room temperature. The properties of air at room temperature are cp= 1.005 kJ/kg-K, cv = 0.718 kJ/kg-K, R = 0.287 kJ/kg-K, and k = 1.4. Determine the mean effective pressure for the cycle. The mean effective pressure for the cycle is kPa.
Please atleast answer this question. I will upvote
Required information 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 constant specific heats at room temperature. The properties of air at room temperature are cp = 1.005 kJ/kg-K, cv=0.718 kJ/kg-K, R = 0.287 kJ/kg-K, and k = 1.4. Determine the net work output. The net work output is kJ/kg.
Required information 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 730 kJ/kg of heat is transferred to air during the constant-volume heat-addition process. Take into account constant specific heats at room temperature. The properties of air at room temperature are cp=1.005 kJ/kg-K. cy=0.718 kJ/kg-K, R=0.287 kJ/kg-K, and k=1.4. Determine the net work output. (You must provide an answer before moving on to the next part.) The net work output is kJ/kg.
Required information 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 790 kJ/kg of heat is transferred to air during the constant-volume heat-addition process. Take into account constant specific heats at room temperature. The properties of air at room temperature are cp= 1.005 kJ/kg-K, cy= 0.718 kJ/kg-K, R = 0.287 kJ/kg-K, and k = 1.4. Determine the net work output. (You must provide an answer before moving on to the next part.) The net work output is kJ/kg.

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