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Heat Exchanger Efficiency

Started by maxo, May 18 2011 08:24 AM

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#1 maxo

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Posted 18 May 2011 - 08:24 AM

Hi

Can anyone help me to find the efficiency of a heat exchanger with changment of phase ???

Thanks.

#2 srfish

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Posted 18 May 2011 - 10:15 AM

Thermal efficiency is a ratio used in calculating the LMTD correction factor. It is called the variable P.
P = (t2-t1)/(T1-t1). If there is a change of phase at constant temperature, there is no need to calculate P. The LMTD correction factor is 1.0.

#3 maxo

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Posted 19 May 2011 - 08:37 AM

Thermal efficiency is a ratio used in calculating the LMTD correction factor. It is called the variable P.
P = (t2-t1)/(T1-t1). If there is a change of phase at constant temperature, there is no need to calculate P. The LMTD correction factor is 1.0.


Thanks a lot.
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