lecture8

lecture8 - 1 Prof.Naik 2010 M I Lec es Last Lecture Energy...

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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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lecture8 - 1 Prof.Naik 2010 M I Lec es Last Lecture Energy...

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