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Lost Work and Entropy Generation

Work and heat are exchanged with the environment while a fluid is brought from condition 1 at P 7) to condition 2 at P2, T2. [Pg.29]

AH and AS express the changes in the flow s enthalpy and entropy from state 1 to state 2, for example, [Pg.30]

The minimum amount of work to accomplish this change in conditions is apparently given by [Pg.30]

The second law states that Sgenerated 0 hence the real amount of work required must be larger  [Pg.30]

This relation holds, of course, for the general exchange of work and heat between a flowing medium and its environment. The abstract formulation of the second law as in [Pg.30]


See other pages where Lost Work and Entropy Generation is mentioned: [Pg.5]    [Pg.29]   


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