Heat Loss - Interior Wall Temperature after time
Heat Loss - Interior Wall Temperature after time
(OP)
I am trying to calculate the interior wall temperature of an insulated tank. I want to model the as a plane wall for simplicity. Knowns: ambient (outside temp) -25F, thickness 3", thermal conductivity .04 W/mK, area 13.72m^2. Any suggestions?





RE: Heat Loss - Interior Wall Temperature after time
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RE: Heat Loss - Interior Wall Temperature after time
RE: Heat Loss - Interior Wall Temperature after time
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RE: Heat Loss - Interior Wall Temperature after time
You need to know the convection coefficient inside and out, though you could solve the problem for a range of combinations or use some published empirical data if available.
How good is the thermal contact between insulation and tank? Do you have an accurate representation of that resistence?
What is inside the tank that makes it hotter than outside? still air? moving air? hot air? other fluid? With a vacuum you could become very cold inside as the fluid is evacuated and find that the outside is hotter than inside.
For your first crack i would find some general values to go by and do the calculation that IRstuff says. Then go back and dig in deeper to check your answer which will become your head check against the more detailed effort.