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PROBLEM 2: Cooling a Gas in a Piston-Cylinder Four-tenths kilogram of a certain gas is contained within a piston-cylinder assembly. The gas undergoes a process for which the pressure-volume relationship is pV1.5 = constant. U2– U1 =-55 kJ/kg E- Gas %3D constant The initial pressure is 3 bar, the initial volume is 0.1 m3, and the final volume is 0.2 m3. The change in specific internal energy of the gas in the process is u2-ul = -55 kJ/kg. There are no significant changes in kinetic or potential energy. a) Sketch the process on a p-V diagram b) Calculatę the work done by the piston, in kJ. c) Determine the net heat transfer for the process, in kJ.

PROBLEM 2: Cooling a Gas in a Piston-Cylinder Four-tenths kilogram of a certain gas is contained within a piston-cylinder assembly. The gas undergoes a process for which the pressure-volume relationship is pV1.5 = constant. U2– U1 =-55 kJ/kg E- Gas %3D constant The initial pressure is 3 bar, the initial volume is 0.1 m3, and the final volume is 0.2 m3. The change in specific internal energy of the gas in the process is u2-ul = -55 kJ/kg. There are no significant changes in kinetic or potential energy. a) Sketch the process on a p-V diagram b) Calculatę the work done by the piston, in kJ. c) Determine the net heat transfer for the process, in kJ.

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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PROBLEM 2: Cooling a Gas in a Piston-Cylinder Four-tenths kilogram of a certain gas is contained within a piston-cylinder assembly. The gas undergoes a process for which the pressure-volume relationship is pV1.5 = constant. U2– U1 =-55 kJ/kg E- Gas %3D constant The initial pressure is 3 bar, the initial volume is 0.1 m3, and the final volume is 0.2 m3. The change in specific internal energy of the gas in the process is u2-ul = -55 kJ/kg. There are no significant changes in kinetic or potential energy. a) Sketch the process on a p-V diagram b) Calculatę the work done by the piston, in kJ. c) Determine the net heat transfer for the process, in kJ.
Transcribed Image Text:PROBLEM 2: Cooling a Gas in a Piston-Cylinder Four-tenths kilogram of a certain gas is contained within a piston-cylinder assembly. The gas undergoes a process for which the pressure-volume relationship is pV1.5 = constant. U2– U1 =-55 kJ/kg E- Gas %3D constant The initial pressure is 3 bar, the initial volume is 0.1 m3, and the final volume is 0.2 m3. The change in specific internal energy of the gas in the process is u2-ul = -55 kJ/kg. There are no significant changes in kinetic or potential energy. a) Sketch the process on a p-V diagram b) Calculatę the work done by the piston, in kJ. c) Determine the net heat transfer for the process, in kJ.
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