I am working on some basic calcs for heat transfer from polyethylene pipe. My numbers are not working out right so I need a little refresher.(adsbygoogle = window.adsbygoogle || []).push({});

The PE pipe would have a TC of about .46 W/(m.*C). to get to BTU/(hr.ft.*F), I mult by .5779 to get .266.

Assuming 10sf of PE pipe, and lets say a dT of 10*F, how do I arrive at my BTU/hr? Wall thickness of piping is .120" but I am told that does not matter. IIRC, the unit is actualy per sf PER ft so I might actually divide by my thickness which gets me closer at around 2.22 BTU/hr/sf*F of pipe?

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# Thermodynamics? number crunching thermal conductivity

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