Air is expanded in an internally reversible process from p1=10.29 bar and T1=1200K to a final pressure of p2= 1.00 bar.Determine all properties of the initial and final states (T,p,v,h and u), calculate the work of the process per unit mass, and sketch the process in the T-s and p-v diagrams assuming ideal gas behavior in the 4 following cases.Adiabatic reversible expansion in an ideal turbine (1 inlet and 1 outlet);Adiabatic reversible expansion in a (closed) frictionless piston–cylinder device;Isothermal reversible expansion in an ideal turbine (1 inlet and 1 outlet);Isothermal expansion in a (closed) frictionless piston–cylinder device.Kinetic and potential energy terms are negligible in all processes

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Answered: Air is expanded in an internally…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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Air is expanded in an internally reversible process from p₁=10.29 bar and T₁=1200K to a final pressure of p₂= 1.00 bar.

Determine all properties of the initial and final states (T,p,v,h and u), calculate the work of the process per unit mass, and sketch the process in the T-s and p-v diagrams assuming ideal gas behavior in the 4 following cases.

Adiabatic reversible expansion in an ideal turbine (1 inlet and 1 outlet);
Adiabatic reversible expansion in a (closed) frictionless piston–cylinder device;
Isothermal reversible expansion in an ideal turbine (1 inlet and 1 outlet);
Isothermal expansion in a (closed) frictionless piston–cylinder device.

Kinetic and potential energy terms are negligible in all processes

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