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Comparison of various Ideal Cycles Processes Plots(1)

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Ideal Cycle
Isobaric
Stirling
FYI only
Isochoric
Isobaric
Isobaric
Isochoric
Isentropic
Isentropic
Closed
Isochoric
Isentropic
Isentropic
Closed
Isochoric
Isothermal
Isothermal
Closed
Isobaric
Isentropic
Isentropic
C.V.
Isobaric
Isentropic
Isentropic
C.V.
Thermal
efficiency
Thermal
efficiency
Thermal
efficiency
Thermal
efficiency
Thermal
efficiency
Carnot
Otto
Heat addition
Isothermal
Isochoric
Heat rejection
Expansion
Compression
First Law for each
process
Thermal
efficiency or COP
Phase diagrams
(T-s and P-v)
Please draw by
yourself
Isothermal
Isentropic
Isentropic
Closed
Thermal
efficiency
Diesel
Brayton
Rankine
Vaporcompression
Isobaric &
Isothermal
Isobaric
isenthalpic
Isentropic
C.V.
Gasrefrigeration
Isobaric
COP
COP
Isobaric
Isentropic
Isentropic
C.V.
Note: Isothermal-constant temperature; isochoric-constant volume; isobaric –constant pressure; isentropic-constant entropy; isenthalpic – constant
enthalpy. First Law: Closed System (Closed): q-w=Δu; Control Volume(C.V.): q-w= Δh. Thermal efficiency for engine cycle: w net /q in ; COP for refrigeration
cycle: q L /w net ; COP for heat pump: q H /w net .
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