DOIAbstract
Analysis of the Second Law of Thermodynamics is discussed. Keenan's approach to availability and irreversibility is modified so that the expression for the efficiency of a reversible engine is used in place of the definition of the thermodynamic temperatare scale. Equations are developed for expressing the change in availability and the magnitude of irreversibility for non-flow, semi- flow, and steady-flow systems. The equations are arranged to show which portions of the losses came from friction and from irreversible heat transfer. (D.L.C.
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