Energy Transfer
Energy Transfer
Energy Transfer
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• An expression for the specific heat at constantpressure Cp can be obtained by considering aconstant-pressure process• (wb + u = h). It yieldsCphTp• The specific heats of a substance depend on thestate that, in general, is specified by twoindependent, intensive properties.• The energy required to raise the temperature of asubstance by one degree will be different at differenttemperatures and pressures. But this difference isusually not very large.<strong>Energy</strong> <strong>Transfer</strong> 37© Copyright 2005 Prof. Arun S. Mujumdar.
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