Calculate the net radiant heat flux for two large parallel planes at temperatures of 427°C and 77°C respectively, ε (hot plane) = 0.6 and ε (cold plane) = 0.2. If a polished aluminum shield is placed between them, find die percentage reduction in the heat transfer ε (shield) = 0.04.
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Calculate the net radiant heat flux for two large parallel planes at temperatures of 427°C and
77°C respectively, ε (hot plane) = 0.6 and ε (cold plane) = 0.2. If a polished aluminum shield is
placed between them, find die percentage reduction in the heat transfer ε (shield) = 0.04.
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