In a room at 30°C having a thin square plate of 0.6 m x 0.6m. One side of the plate is maintained at a temperature of 90 °C while the other side is insulated as shown in the figure. Determine the rate of heat transfer from the plate by natural convection if the plate is (a)vertical (b) horizontal with hot surface facing up.

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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6. In a room at 30°C having a thin square plate of 0.6 m x
0.6m. One side of the plate is maintained at a temperature
of 90 °C while the other side is insulated as shown in the
90°C
T,-30°C
figure. Determine the rate of heat transfer from the plate by
L-0,6 m
natural convection if the plate is (a)vertical (b) horizontal
with hot surface facing up.
(a) Vertical
(h) Hot surface facing up
Transcribed Image Text:6. In a room at 30°C having a thin square plate of 0.6 m x 0.6m. One side of the plate is maintained at a temperature of 90 °C while the other side is insulated as shown in the 90°C T,-30°C figure. Determine the rate of heat transfer from the plate by L-0,6 m natural convection if the plate is (a)vertical (b) horizontal with hot surface facing up. (a) Vertical (h) Hot surface facing up
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