7. The temperature u(x) in a cooling fin satisfies the differential equation d²u hC (u-T), == dx² and boundary conditions KA du -K 0< x < a u(0) = To, That is, the temperature at the left end is held at To > T, while the surface of the rod and its right end exchange heat with a surrounding medium at temperature T. Find u(x). -(a) = h(u(a) - T). dx
7. The temperature u(x) in a cooling fin satisfies the differential equation d²u hC (u-T), == dx² and boundary conditions KA du -K 0< x < a u(0) = To, That is, the temperature at the left end is held at To > T, while the surface of the rod and its right end exchange heat with a surrounding medium at temperature T. Find u(x). -(a) = h(u(a) - T). dx
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:7. The temperature u(x) in a cooling fin satisfies the differential equation
d² u
=
dx²
and boundary conditions
hC
-(u - T), 0< x <a
KA
du
-K(a) = h(u(a) – T).
dx
u(0) = To,
That is, the temperature at the left end is held at To > T, while the surface
of the rod and its right end exchange heat with a surrounding medium at
temperature T. Find u(x).
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