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Chemical Process Technology

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Monday, August 20, 2007


Basic heat transfer relationships is apply to Air-Cooled Heat Exchanger (ACHE) . The fundamental heat transfer equation :

Q = U. A. LMTD.F
where
U = overall heat transfer coefficient
A = Heat transfer area
LMTD = Log mean temperature difference
F = Correction factor


Typical heat transfer coefficient for Air-Cooled Heat Exchangers

Source : Hudson Product Corporation (HPC)


Source : DELTA T
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posted by Webworm, 7:01 AM

2 Comments:

Blogger Harry said...

Hi,

A heat exchanger transfers thermal energy from a hot-flowing substance to a cold-flowing substance. It using to estimate the needed heat transfer area, based on an estimate of the overall heat transfer coefficient. They are quickly dissipating heat into the air that was built up at another location. Thanks a lot...

Heat Transfer Coefficient

December 14, 2011 at 7:54 PM  
Blogger Rhen Nicey said...

Hello! There are many types of Heat Exchangers already out there in the market today. Most of them are used in our everyday devices whilst some of them play a more specific part in machines that are used in heavy industries and other businesses. Thank you for this post ;)...

October 15, 2014 at 11:53 PM  

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