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A gas in a piston-cylinder assembly. The gas undergoes an expansion process for which the relationship between pressure and volume is given by PV = constant The initial volume is 0.1 m, and the final volume is 0.2 m³. The initial pressure is 3 bar,. The change in internal energy of the gas in the process is AU = - 18.4 kJ. There are no significant changes in kinetic or potential energy. Answer the following questions : (a) What are the main assumptions. pVis = constant (b) Drive an expression of work for the polytropic process. (c) Determine the work for the process, in kJ, if n =1.5. Area = work (d) Determine the net heat transfer for the process, in kJ V.

A gas in a piston-cylinder assembly. The gas undergoes an expansion process for which the relationship between pressure and volume is given by PV = constant The initial volume is 0.1 m, and the final volume is 0.2 m³. The initial pressure is 3 bar,. The change in internal energy of the gas in the process is AU = - 18.4 kJ. There are no significant changes in kinetic or potential energy. Answer the following questions : (a) What are the main assumptions. pVis = constant (b) Drive an expression of work for the polytropic process. (c) Determine the work for the process, in kJ, if n =1.5. Area = work (d) Determine the net heat transfer for the process, in kJ V.

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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A gas in a piston-cylinder assembly. The gas undergoes an expansion process for which the relationship between pressure and volume is given by PVn = constant The initial volume is 0.1 m, and the final volume is 0.2 m. The initial pressure is 3 bar,. The change in internal energy of the gas in the process is AU = - 18.4 kJ. There are no significant changes in kinetic or potential energy. Answer the following questions : (a) What are the main assumptions. pv13 = constant (b) Drive an expression of work for the polytropic process. (c) Determine the work for the process, in kJ, if n =1.5. (d) Determine the net heat transfer for the process, in kJ 2 Area = work
Transcribed Image Text:A gas in a piston-cylinder assembly. The gas undergoes an expansion process for which the relationship between pressure and volume is given by PVn = constant The initial volume is 0.1 m, and the final volume is 0.2 m. The initial pressure is 3 bar,. The change in internal energy of the gas in the process is AU = - 18.4 kJ. There are no significant changes in kinetic or potential energy. Answer the following questions : (a) What are the main assumptions. pv13 = constant (b) Drive an expression of work for the polytropic process. (c) Determine the work for the process, in kJ, if n =1.5. (d) Determine the net heat transfer for the process, in kJ 2 Area = work
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