NTU-Effectiveness Calculator

Calculate heat exchanger effectiveness using the NTU method when outlet temperatures are unknown.

Overall heat transfer coefficient.
W/m²·K
Total heat exchange area.
m²
mh × Cp,h. Mass flow × specific heat.
W/K
mc × Cp,c. Mass flow × specific heat.
W/K
Hot fluid inlet temperature.
°C
Cold fluid inlet temperature.
°C

Results

NTU-
Capacity Ratio Cr-
Effectiveness ε-%
Heat Transfer Rate-kW
Hot Outlet Temp-°C
Cold Outlet Temp-°C
References: Incropera — Heat Transfer; Kays & London