A cube chamber furnace is receiving 340 kW heat from its bottom surface. The temperature of upper surface and side surfaces is 427 and 177 °C. The emissivity of bottom surface is 0.9 and it is 1 for side surfaces. The volume of furnace is 27 m³. a) Evaluate the emissivity of the top surface.
A cube chamber furnace is receiving 340 kW heat from its bottom surface. The temperature of upper surface and side surfaces is 427 and 177 °C. The emissivity of bottom surface is 0.9 and it is 1 for side surfaces. The volume of furnace is 27 m³. a) Evaluate the emissivity of the top surface.
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Transcribed Image Text:A cube chamber furnace is receiving 340 kW heat from its bottom surface. The temperature of
upper surface and side surfaces is 427 and 177 °C. The emissivity of bottom surface is 0.9 and it
is 1 for side surfaces. The volume of furnace is 27 m³.
a) Evaluate the emissivity of the top surface.
b) Estimate the net rates of heat transfer between the top and the bottom surfaces.
c) Investigate the net rates of heat transfer between the bottom and side surfaces.
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