5. Suppose heat is lost from the lateral surface of a thin rod of length L into a surrounding medium at temperature zero. If the linear law of heat transfer applies, then the heat equation takes on the form k d²u dx² hu = ди at' 0 0, h a constant. Find the temperature u(x, t) if the initial temperature is f(x) throughout and the ends x = 0 and x = L are insulated. See Figure 12.3.3. insulated 0° insulated L X 0° heat transfer from lateral surface of the rod

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5. Suppose heat is lost from the lateral surface of a thin rod of
length L into a surrounding medium at temperature zero. If the
linear law of heat transfer applies, then the heat equation takes
on the form
au
k
dx?
hu
-
0<x< L, t> 0, h a constant. Find the temperature u(x, t) if
the initial temperature is f(x) throughout and the ends x = 0 and
x = L are insulated. See Figure 12.3.3.
insulated
0°
insulated
L
0°
heat transfer from
lateral surface of
the rod
Transcribed Image Text:5. Suppose heat is lost from the lateral surface of a thin rod of length L into a surrounding medium at temperature zero. If the linear law of heat transfer applies, then the heat equation takes on the form au k dx? hu - 0<x< L, t> 0, h a constant. Find the temperature u(x, t) if the initial temperature is f(x) throughout and the ends x = 0 and x = L are insulated. See Figure 12.3.3. insulated 0° insulated L 0° heat transfer from lateral surface of the rod
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