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Grade: upto college level
        
Show that the temperature Tx at the interface of a compound slab (see sample problem 23-1) is given by
3 years ago

Answers : (1)

Navjyot Kalra
askIITians Faculty
654 Points
							Consider a long rod of length L and uniform cross section A, in which one end is maintained at the high temperature TH and the other end at the low temperature TL. This is a steady state situation: the temperatures and the rate of heat transfer are constant in time. In this situation, every increment of energy that enters the rod at the hot end leaves it at the cold end.
For this case, the equation H = kA ΔT/ Δx will be,
H =kA ΔT/ Δx
= A ΔT/ R
= A (TH – TL)/ R (Since, ΔT = TH – TL) 232-1312_1.PNG
3 years ago
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