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Heat Transfer
book

Heat Transfer

by Younes Shabany
December 2009
Intermediate to advanced content levelIntermediate to advanced
523 pages
18h 30m
English
CRC Press
Content preview from Heat Transfer
Computer Simulations and Thermal Design 361
The stability criteria for this equation is
12 005−≥⇒≤Fo Fo ..
(14.36)
To demonstrate this, consider a plane wall with an initial temperature of 50°C whose
left and right side temperatures are suddenly changed to 200°C. Let’s use only
three nodes; one interior node and one at each side as shown in Figure 14.3. The
T
1
 = T
3
 = 200°C and T
2
has to be calculated as a function of time. It is obvious that
T
2
will increase from 50°C to the equilibrium value of 200°C and can not go higher
than that. Figure 14.3 shows that
If Fo•  > 1, T
2
oscillates back and forth around the equilibrium value ...
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Publisher Resources

ISBN: 9781439814680