Thermal conductivity is usually expressed as 20 [BTU / h ft2 (° F / in)]. Find the equivalent of this unit in SI and its conversion factor.
Added by Eric A.
Step 1
This means that 20 British Thermal Units (BTU) of heat are transferred per hour through a material with a thickness of 1 inch and an area of 1 square foot for a temperature difference of 1 degree Fahrenheit. Show more…
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