![]() ![]() Fig.1 shows a heat pump which requires no work and transfers an amount of Q2 from a low temperature to a higher temperature reservoir (in violation of the Clausius statement). ![]() Consider a higher temperature reservoir T1 and low temperature reservoir Kelvin-Planck statement:“It is impossible to construct an engine, which while operating in a cycle produces no other effect except to extract heat from a single reservoir and do equivalent amount of work”.Ĭlausis Statement: “It is impossible for a self acting machine working in a cyclic process unaided by any external agency, to convey heat from a body at a lower temperature to a body at a higher temperature”.Īlthough the Clausius and Kelvin-Planck statements appear to be different, they are reallyequivalent in the sense that a violation of either statement implies violation of other.įig.1: Equivalence of Clausius statement to Kelvin-Planck statement.
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