CheCalc

Chemical engineering calculations to assist process, plant operation and maintenance engineers.

LMTD Calculation

Calculate Log Mean Temperature Difference (LMTD) for shell and tube exchanger for counter-current and co-current flow.
Data
Hot Side

 
 
Cold Side

 
 
Result
 LMTD = (ΔT1 - ΔT2) / ln(ΔT1/ΔT2)
Counter-current Flow

Co-current Flow