Derive an equation for the net rate of radiant heat transfer from surface 1 in the system shown in the accompanying sketch. Assume that each surface is at a uniform temperature and that the geometrical shape factor F1??2 is 0.1.GIVENThe system shown aboveASSUMPTIONSSteady stateA1 and A2 are gray, A0 is blackEach surface is at a uniform temperatureThe shape factor F12 =0.1

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Ag A2 A-1 eq. M 2-0.7 Ao ls Large E0 =1 A-1 sg. M e-0.5