What is the formular for heat transfer by conduction?
Answer:
Fouriers's Law is the most fundamental differential eqn for conductive heat xfer:
rate of flow = dQ/d theta = -k A (dt/dx)
k=thermal conductivity factor of the through material
A=area at a rt angle to the heat flow
(dt/dx)=rate of change of termperature with the distance in the direction of the heat flow
There are variations to this based on steady state, unsteady state, phase change.
http://hyperphysics.phy-astr.gsu.edu/hba...
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