An infinitely long furnace of 0.5 m × 0.4 m cross-section is shown in the figure below. Consider all surfaces of the furnace to be black. The top and bottom walls are maintained at temperature T 1 = T 3 = 927°C while the side walls are at temperature T 2 = T 4 = 527°C. The view factor, F 1-2 is 0.26. The net radiation heat loss or gain on side 1 is __________ W/m. Stefan-Boltzmann constant = 5.67 × 10 -8 W/m 2 -K 4

GATE Mechanical Engineering (ME) 2016 Shift 1 Solved Paper

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An infinitely long furnace of 0.5 m × 0.4 m cross-section is shown in the figure below. Consider all surfaces of the furnace to be black. The top and bottom walls are maintained at temperature T₁ = T₃ = 927°C while the side walls are at temperature T₂ = T₄ = 527°C. The view factor, F_1-2 is 0.26.
The net radiation heat loss or gain on side 1 is __________ W/m.
Stefan-Boltzmann constant = 5.67 × 10^-8 W/m²-K⁴

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