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Jul 20
Edited: Sep 20

LMTD of Counter-flow Heat Exchanger - GATE ME '00

in Heat Exchangers

Air enters a counter-flow heat exchanger at 70 C and leaves at 40 C. Water enters at 30 C and leaves at 50 C. The LMTD in deg C is _______


A. 5.65

B. 14.43

C. 19.52

D. 20.17

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Thermodynamics Forum
Thermodynamics Forum
Sep 20

How to calculate log mean temperature difference or How to calculate LMTD of counter flow heat exchanger

Air enters a counter-flow heat exchanger at 70 C and leaves at 40 C. Water enters at 30 C and leaves at 50 C. The LMTD in deg C is _______

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