Thermal conductance

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Thermal conductance

Postby steve721 » Wed Feb 03, 2010 10:47 am

How does one convert
FROM
the rate of heat transfer
Q = BTU/hr (calculated from Q = -k * A * (T2 - T1)/x, where T2 < T1 (initially); x is the width of the conducting material, and A is the conduction area)
TO
the rate of temperature change
F/s, where F is degrees Fahrenheit and s is seconds.

The larger problem I'm trying to solve is:
Once a heat source of temperature T1 is applied to one side of a metal sheet of thickness x, how long does it take the other side of the sheet with initial temperature T2 < T1 to reach the same temperature T1?

Also, it seems there would be a way to convert the temperature T for a given volume of water to its heat content in BTU's? Does one have to know or assume an initial temperature T0?

Thanks in advance for your help
steve721
 
Posts: 1
Joined: Wed Feb 03, 2010 10:11 am

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