The power generation unit in your plant uses a hot exhaust gas from another process to produce
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Question:
The power generation unit in your plant uses a hot exhaust gas from another process to produce work. The gas enters at 10 bar and 350 °C and exits at 1 bar and 40 °C. The process produces a net amount of work equal to 4500 J/mol and it exchanges an unknown amount of heat with the surroundings.
(a) Determine the amount of heat exchanged with the surroundings. Is this heat absorbed or rejected by the system?
(b) Calculate the entropy change of the exhaust gas.
(c) What is the maximum amount of work that you could extract from this system? Assume that the inlet and outlet conditions of the exhaust gas remain the same.
Related Book For
Fundamentals of Thermodynamics
ISBN: 978-0471152323
6th edition
Authors: Richard E. Sonntag, Claus Borgnakke, Gordon J. Van Wylen
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