Consider the composite wall of .53. In part(d), you are
Chapter 5, Problem 5.144(choose chapter or problem)
Consider the composite wall of 2.53. In part(d), you are asked to sketch the temperature histories atx?0, Lduring the transient period between cases 2 and3. Calculate and plot these histories using the finite-ele-ment method of FEHT, the finite-difference method ofIHT(with ?x?5mm and ?t?1.2 s), and/or an alter-native procedure of your choice. If you use more thanone method, compare the respective results. Note that,in using FEHTor IHT, a look-up table must be createdfor prescribing the variation of the heater flux with time(see the appropriate Helpsection for guidance)
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