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a simple heat engine might make use of the warm air around new york city .energy could be taken as heat from ?

Nov 24, 2008 by solid_snake95@ymail.com | Posted in Physics

atmosphere (assume 30 C)and rejected as heat to the hudoson river (10 C) .what is the maximum efficienco of such an engine for the conversion of thermal energy into mechanical energy ?

The ideal Carnot engine efficiency is (Thot-Tcold)/Thot (with T in deg K) = 20/303.15 = 6.597%
A Carnot engine is primarily a theoretical model and practical heat engines are less efficient because they replace the painfully slow isothermal expansion/compression

kirchwey | Nov 24, 2008

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