Mechanical Engineering > GATE 2025 > Radiation Heat Transfer
Consider a cylindrical furnace of 5 m diameter and 5 m length with bottom, top and curved surfaces maintained at uniform temperatures of 800 K, 1500 K and 500 K, respectively. The view factor between the bottom and top surfaces, F12 is 0.2. The magnitude of net radiation heat transfer rate between the bottom surface and the curved surface is ______ kW (rounded off to 1 decimal place).
All surfaces of the furnace can be assumed as black.
The Stefan-Boltzmann constant, σ=5.67×10-8 W m-2K-4.
All surfaces of the furnace can be assumed as black.
The Stefan-Boltzmann constant, σ=5.67×10-8 W m-2K-4.
Correct : 140.0
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