Statements_of_the_Second_Law_of_Thermodynamics

# Statements_of_the_Second_Law_of_Thermodynamics - Statements...

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Statements of the Second Law of Thermodynamics Clausius Statement: Application: Refrigerators and Heat Pumps It is impossible for any system to operate in such a way that the sole result would be an energy transfer by heat from a cooler to a hotter body. 1 Low Temperature Reservoir, T L High Temperature Reservoir, T H Any System Q H = Q L Q L NOT POSSIBLE Low Temperature Reservoir, T L High Temperature Reservoir, T H Any System Q H = Q L Q L POSSIBLE Low Temperature Reservoir, T L High Temperature Reservoir, T H Any System Q H Q L W = Q H - Q L

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Kelvin-Plank Statement - Application: Heat Engines It is impossible for any system to operate in a thermodynamic cycle and deliver a net amount of work to its surroundings while receiving energy by heat transfer from a single thermal reservoir . 2 High Temperature Reservoir, T H Low Temperature Reservoir, T L Any System Low Temperature Reservoir, T L High Temperature Reservoir, T H Any System Any System Q H W = Q H Q L W = Q L NOT POSSIBLE Q L Q H W = Q H - Q L POSSIBLE
The Clausius and the Kelvin-Plank statements are equivalent. The equivalence is demonstrated by showing that the violation of one

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## This note was uploaded on 07/21/2011 for the course EML 3100 taught by Professor Staff during the Summer '10 term at FSU.

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Statements_of_the_Second_Law_of_Thermodynamics - Statements...

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