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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 pressure and temperature at the end of the heat-addition process. (You must provide an answer before moving on to the next part.) The pressure at the end of the heat-addition process is 4568.67 kPa. The temperature at the end of the heat-addition process is 1803.425 K.

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 pressure and temperature at the end of the heat-addition process. (You must provide an answer before moving on to the next part.) The pressure at the end of the heat-addition process is 4568.67 kPa. The temperature at the end of the heat-addition process is 1803.425 K.

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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### Understanding an Ideal Otto 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 800 kJ/kg of heat is transferred to air during the constant-volume heat-addition process. This process takes into account the variation of specific heats with temperature. The gas constant of air is \( R = 0.287 \, \text{kJ/kg·K} \). --- **Objective** Determine the pressure and temperature at the end of the heat-addition process. **Results:** - **Pressure at the end of the heat-addition process:** - \( 4568.67 \, \text{kPa} \) - **Temperature at the end of the heat-addition process:** - \( 1803.425 \, \text{K} \) Both values are considered incorrect as indicated by the red crosses next to them.
Transcribed Image Text:### Understanding an Ideal Otto 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 800 kJ/kg of heat is transferred to air during the constant-volume heat-addition process. This process takes into account the variation of specific heats with temperature. The gas constant of air is \( R = 0.287 \, \text{kJ/kg·K} \). --- **Objective** Determine the pressure and temperature at the end of the heat-addition process. **Results:** - **Pressure at the end of the heat-addition process:** - \( 4568.67 \, \text{kPa} \) - **Temperature at the end of the heat-addition process:** - \( 1803.425 \, \text{K} \) Both values are considered incorrect as indicated by the red crosses next to them.
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