RevWork - ME 201 Thermodynamics Reversible Work,...

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1 ME 201 Thermodynamics Reversible Work, Irreversibility, and Availability Guide The concepts of reversible work, irreversibility and availability allow us to apply the second law of thermodynamics in a useful way. In particular, these concepts will help us in the following ways: (a) provide a criteria for "ideal" performance of engineering devices and systems (b) provide a means of measuring the quality (or usefulness) of energy Reversible work is defined as the work associated by tasking a reversible process path from state A to state B. The reversible work is the maximum work that can be achieved for the state change form A to B. We may relate the reversible to our thermodynamic properties for our different types of systems as shown below: Closed System ( 29 [ ] s - s T - u - u m = W final initial reservoir heat final initial rev Control Volume System ( 29 [ ] s - s T - h - h m = W exit inlet reservoir heat exit inlet rev Transient System ( 29 ( 29 [ ] [ ] [ ] s T - h m - s T - h m + t
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This note was uploaded on 07/25/2008 for the course ME 201 taught by Professor Somerton during the Spring '06 term at Michigan State University.

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RevWork - ME 201 Thermodynamics Reversible Work,...

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