Air expands steadily through a turbine from 6 bar, 800 K to 1 bar, 520 K. During the expan sion, heat transfer from air to the surroundings at 300 K is 10 kJ/kg air. Neglect the changes in kinetic and potential energies and evaluate the irreversibility per kg air. Assume air to behave as an ideal gas with Cp = 1.0 kJ/(kg.K) and R = 0.3 kJ/(kg.K)
Air expands steadily through a turbine from 6 bar, 800 K to 1 bar, 520 K. During the expan sion, heat transfer from air to the surroundings at 300 K is 10 kJ/kg air. Neglect the changes in kinetic and potential energies and evaluate the irreversibility per kg air. Assume air to behave as an ideal gas with Cp = 1.0 kJ/(kg.K) and R = 0.3 kJ/(kg.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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![Air expands steadily through a turbine from 6 bar, 800 K to 1
bar, 520 K. During the expan sion, heat transfer from air to
the surroundings at 300 K is 10 kJ/kg air. Neglect the
changes in kinetic and potential energies and evaluate the
irreversibility per kg air. Assume air to behave as an ideal gas
with Cp = 1.0 kJ/(kg.K) and R = 0.3 kJ/(kg.K)
%3D](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4f1d07a0-0c72-4ab8-b707-e5be6e4a5ba1%2Fd263f977-5b19-4363-9810-f8ab29a572be%2Fyv6j6a_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Air expands steadily through a turbine from 6 bar, 800 K to 1
bar, 520 K. During the expan sion, heat transfer from air to
the surroundings at 300 K is 10 kJ/kg air. Neglect the
changes in kinetic and potential energies and evaluate the
irreversibility per kg air. Assume air to behave as an ideal gas
with Cp = 1.0 kJ/(kg.K) and R = 0.3 kJ/(kg.K)
%3D
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