Air in a cylinder-piston arrangement initially has a volume of 50 liters, pressure of 110 kPa, and temperature of 25°C. The air is then compressed in a reversible polytropic process to 800 kPa, 200°C. Heat transfer during the process is with the ambient at 25°C. Assuming constant specific heats, determine the following: a) polytropic exponent n b) final volume of the air, (m³) c) work done by the air, (kJ) d) heat transfer during the process, (kJ) e) total entropy generation for the process, (kJ/K)
Air in a cylinder-piston arrangement initially has a volume of 50 liters, pressure of 110 kPa, and temperature of 25°C. The air is then compressed in a reversible polytropic process to 800 kPa, 200°C. Heat transfer during the process is with the ambient at 25°C. Assuming constant specific heats, determine the following: a) polytropic exponent n b) final volume of the air, (m³) c) work done by the air, (kJ) d) heat transfer during the process, (kJ) e) total entropy generation for the process, (kJ/K)
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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Transcribed Image Text:Air in a cylinder-piston arrangement initially has a volume of 50 liters, pressure of 110 kPa,
and temperature of 25°C. The air is then compressed in a reversible polytropic process to
800 kPa, 200°C. Heat transfer during the process is with the ambient at 25°C. Assuming
constant specific heats, determine the following:
a) polytropic exponent n
b) final volume of the air, (m³)
c) work done by the air, (kJ)
d) heat transfer during the process, (kJ)
e) total entropy generation for the process, (kJ/K)
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