For a boiling process such as shown in Figure 1.5c, the
Chapter , Problem 1.17(choose chapter or problem)
For a boiling process such as shown in Figure 1.5c, the ambient temperature T in Newtons law of cooling is replaced by the saturation temperature of the fluid Tsat. Consider a situation where the heat flux from the hot plate is q 20 105 W/m2 . If the fluid is water at atmospheric pressure and the convection heat transfer coefficient is hw 20 103 W/m2 K, determine the upper surface temperature of the plate, Ts,w. In an effort to minimize the surface temperature, a technician proposes replacing the water with a dielectric fluid whose saturation temperature is Tsat,d 52 C. If the heat transfer coefficient associated with the dielectric fluid is hd 3 103 W/m2 K, will the technicians plan work?
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