Question: Question 1 (TOTAL 7 marks) A thin plate is exposed to an infrared radiation flux of 1500 W m on one surface while other surface

Question 1 (TOTAL 7 marks) A thin plate is exposed to

Question 1 (TOTAL 7 marks) A thin plate is exposed to an infrared radiation flux of 1500 W m on one surface while other surface is kept insulated. The exposed surface absorbs 90 percent of the incident radiation flux and dissipates it into the ambient air at 27 C. If the heat transfer coefficient for convention between the surface and the ambient air is 15 W m C"!, determine the temperature of the plate. Take the emissivity of plate as e=0.9. 17 marks

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