Question

PRINTER VERSION BACK NEXT RCES Supplemental Problem 7.001 A flat plate of width 1 m is maintained at a uniform surface temperature of T,-160°C by using independently controlled, heat-generating rectangular modules of thickness a 10 mm and length b 50 mm. Each module is insulated from its neighbors, as well as on its back side. Atmospheric air at 25°C flows over the plate at a velocity of 30 m/s. The thermophysical properties of the module are k5.2 W/m K, cp 320 J/kg.K, and p 2300 kg/m3. Assume the critical Reynolds number is 5x105 InsulationModule,q a_ T, (a) Find the required power generation, o(W/m3), in a module positioned at a distance 700 mm from the leading edge. W/m3 (b) Find the maximum temperature Tmax in the heat generating module. max

Answer 1

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