Consider the heat distribution u (x, t) in a semi-infinite rod. Assume that the finite end is kept in contact with ice at 0°C and if initially the rod is submerged in hot water at 100°C. ..n the choice e Fourier (a) Uth ppropriate Fourier transform to show that form) 2 (b) Establish that QUESTION 2 Then derive that solution u TO 00ac² ppropriate ourier trans.orm of u(x, t) = 100- û (a‚t) – 100 √ √²/ (1 – e-c³a²t). Writt 200 dc is the spec heat of the rod. -c²a²t opoda ㅠ /0 sin arda.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Question 2b

Consider the heat distribution u(x, t) in a semi-infinite rod. Assume that the finite end is kept in
contact with ice at 0°C and if initially the rod is submerged in hot water at 100°C.
the choice e Fourier
(a) U the ppropriate Fourier transform to show the
form)
(b) Establish that
QUESTION 2
Then derive that solution u
ppropriate ourier trans.orm of
û (a, t)
u (x, t):
100
= 100-
J0ac²2
a
200
π
/0
With
(1 – e-c³²a²t).
a
dc is the spec heat of the rod.
²a²t
100)
sin arda.
Transcribed Image Text:Consider the heat distribution u(x, t) in a semi-infinite rod. Assume that the finite end is kept in contact with ice at 0°C and if initially the rod is submerged in hot water at 100°C. the choice e Fourier (a) U the ppropriate Fourier transform to show the form) (b) Establish that QUESTION 2 Then derive that solution u ppropriate ourier trans.orm of û (a, t) u (x, t): 100 = 100- J0ac²2 a 200 π /0 With (1 – e-c³²a²t). a dc is the spec heat of the rod. ²a²t 100) sin arda.
Expert Solution
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Given Data:

b To Establish that    u^α,t=100α2π1-e-c2α2tTo show that    ux,t=100-200π0e-c2α2tαsinαx 

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