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Length of pipe to cool air

Length of pipe to cool air

Length of pipe to cool air

(OP)
Hello all
I want to cool down air from compressor from 140 °C to about 50 °C and use this heat to warm up around 10 l of product having Cp 0,92 kj/kgK and thermal conductivity 0,167 Kj/m.What should be the the length of the copper pipe assuming any reasonable diameter(3-10mm). Thank you for reading.
Regards
Fahims

RE: Length of pipe to cool air

I suggest you pull out your heat transfer books.  We're happy to help you out with specific questions but the site's purpose is not to provide free engineering service.

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