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Unformatted text preview: 1 Prof.Naik © 2010 M I Lec es Last Lecture Energy Balance – Closed System Prof.Naik © 2010 » Conservation of energy applied to a closed system (control mass) » For closed system, only work and heat interactions are relevant; no mass interaction occurs PE KE U W Q » Other useful forms of the above equation 2 This Lecture Energy Balance – Cycles Prof.Naik © 2010 Energy Balance – Cycles In a thermodynamic cycle, a series of processes occur – the initial and final state of the system is the same Prof.Naik © 2010 For a system undergoing cycle, we can write: Two important types of cycles can be considered: » Cycles delivering » Cycles requiring 3 Energy Balance – Cycles (contd.) Prof.Naik © 2010 Energy Balance – Cycles (contd.) Prof.Naik © 2010 4 Cycle Performance Parameters Prof.Naik © 2010 For any thermodynamic cycle, a performance parameter can be defined For a power cycle: For a refrigeration cycle: For a heat pump cycle:...
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This note was uploaded on 02/16/2011 for the course ME 200 taught by Professor Gal during the Fall '08 term at Purdue.
 Fall '08
 GAL

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