Sizing an air-to-air heat exchanger

[dextermech]

Please help. I have 100 SCFM of 250F air and want to strip the heat out, transfering it (the heat) from the 2" diameter tube that the hot air is in to another 2" diameter tube. How do I calculate the necessary surface area?

 

[vpl]

Dexter

You might get a few more replies if you moved this question to forum 391 (Heat transfer and thermodynamics)

Patricia Lougheed

Please see FAQ731-376 for tips on how to make the best use of the Eng-Tips Forums.

 

[dextermech]

Will do. Thank you.