
#1
Jun2512, 11:27 AM

P: 2

Hi there,
I am trying to make a spreadsheet which calculates the heat loss through a pipe and also heat loss when insulated, I am using the resistive analogy to calculate this and I have it working, the only problem I am having is the heat transfer coefficient, how do I calculate this? I know the pipe diameter, thickness, K value, temperatures inside and ambient and the insulation thickness, k value and diameters. it is just for general use, to get an estimate and save time. 



#2
Jun2512, 01:24 PM

P: 763

http://en.wikipedia.org/wiki/Heat_transfer_coefficient
See "heat transfer coefficient of pipe wall" Your insulation should have a spec which indicates it's 'h' 



#3
Jun2512, 05:02 PM

P: 2

Brilliant, thanks Travis_king



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