Discharge Temperature
Predict cylinder discharge temperature based on suction conditions, compression ratio, and gas properties. High discharge temperatures affect valve life and lubrication.
Suction Conditions
°F
psia
Discharge Conditions
psia
:1
Gas Properties
-
Natural gas: 1.24-1.34
%
Typical recip: 82-95%
Temperature Rise Formula
Method
Formula
Adiabatic
T2 = T1 × r(k-1)/k
Polytropic
T2 = T1 × [1 + (r(k-1)/k - 1) / η]
Where: r = compression ratio, k = Cp/Cv, η = efficiency
Learn the Theory
Understand compression thermodynamics and temperature limits