Below Calculator could be used to to calculate the heat loss from a cold pipe/cylindrical surface to ambient in natural convection fluid flow. The calculator solves for both the horizontal and vertical orientation for the pipe/cylinder.
For a particular desired/tested external temperature, many cases such as below or various others could be solved:
- Heat loss from a pipe or tube carrying cold fluid
- Heat loss from cold solid cylinder or rod or tube
- Heat loss from insulated cryogenic hoses
- Heat loss from PU Foam insulated pipes
📥 Download
Go to tab File > Download > xlsx
📊 Sample Output

Fill values in GREEN boxes only.
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