ME8391 Engineering Thermodynamics
UNIT II SECOND LAW AND AVAILABILITY ANALYSIS
Heat Reservoir, source and sink. Heat Engine, Refrigerator, Heat pump. Statements of second law and its corollaries. Carnot cycle Reversed Carnot cycle, Performance. Clausius inequality. Concept of entropy, T-s diagram, Tds Equations, entropy change for – pure substance, ideal gases – different processes, principle of increase in entropy. Applications of II Law. High and low grade
energy. Available and non-available energy of a source and finite body. Energy and irreversibility. Expressions for the energy of a closed system and open systems. Energy balance and entropy generation. Irreversibility. I and II law Efficiency.
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