Transcription of The Carnot Cycle
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The Carnot Cycle
(Image from: ) Explanation of a RDE, with thermodynamics starting at 6m 27s: The Carnot Cycle For a reversible Cycle , !"#=1 $!,#$%$&,#$%=1 %!%&=%&&%!%&, !"',!"#=)$&,#$%$!,#$% &)=)%&%! &)=%!%&&%!, +,,!"#=))&$!,#$%$&,#$% =))&%!%& =%&%&&%!, The Carnot Cycle A Carnot Cycle is a particular type of internally reversible Cycle (can be a power, refrigeration , or heat pump Cycle ). Each of the process steps is assumed to be internally reversible, , frictionless and no viscosity quasi-equilibrium expansions/compressions occur very slowly heat addition/removal occur over a negligible temperature difference Real cycles have irreversibilities that make them less efficient than a Carnot Cycle . hot res., TH cold res., TC QC, Cycle QH, Cycle Wbycycle Carnot Power Cycle 1 2: isothermal expansion at TH 2 3: adiabatic expansion to TC 3 4: isothermal compression at TC 4 1: adiabatic compression to TH Qin,1-2 Wby,1-2 hot reservoir, TH Wby,2-3 Qout,3-4 Won,3-4 cold reservoir, TC Won,4-1 Carnot Power Cycle shown for a substance that remains a vapor C.
A Carnot cycle is a particular type of internally reversible cycle (can be a power, refrigeration, or heat pump cycle). Each of the process steps is assumed to be internally reversible, e.g., • frictionless and no viscosity • quasi-equilibrium • expansions/compressions occur very slowly
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