In a foundry molten metal is stored in a large insulated crucible at 1800oC. To retain heat the crucible is fitted with a sheet steel lid. Assuming black body radiation with a shape factor F1 of 0.3 between the molten metal and the lid and a shape factor F2 of 0.6 between the lid and the room. Calculate the temperature of the lid. The temperature of the room can be considered a constant 27oC.
In a foundry molten metal is stored in a large insulated crucible at 1800oC. To retain heat the crucible is fitted with a sheet steel lid. Assuming black body radiation with a shape factor F1 of 0.3 between the molten metal and the lid and a shape factor F2 of 0.6 between the lid and the room. Calculate the temperature of the lid. The temperature of the room can be considered a constant 27oC.
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In a foundry molten metal is stored in a large insulated crucible at 1800oC. To retain heat the crucible is fitted with a sheet steel lid. Assuming black body radiation with a shape factor F1 of 0.3 between the molten metal and the lid and a shape factor F2 of 0.6 between the lid and the room. Calculate the temperature of the lid. The temperature of the room can be considered a constant 27oC.
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