In Section 5.2 we noted that the value of the Biot number
Chapter 5, Problem 5.70(choose chapter or problem)
In Section 5.2 we noted that the value of the Biot number significantly influences the nature of the temper-ature distribution in a solid during a transient conductionprocess. Reinforce your understanding of this importantconcept by using the IHTmodel for one-dimensionaltransient conduction to determine radial temperaturedistributions in a 30-mm-diameter, stainless steel rod(k?15 W/m?K, ??8000 kg/m3, cp?475 J/kg?K), asit is cooled from an initial uniform temperature of 325Cby a fluid at 25C. For the following values of the con-vection coefficient and the designated times, determinethe radial temperature distribution: h?100 W/m2?K(t?0, 100, 500 s); h?1000 W/m2?K(t?0, 10, 50 s);h?5000 W/m2?K(t?0, 1, 5, 25 s). Prepare a separategraph for each convection coefficient, on which tempera- ture is plotted as a function of dimensionless radius at thedesignated times.
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