What is the temperature of the shield is it reasonable to


A 0.6 mm diameter wire is drawn out through a mandril at 950?C. Its emittance is 0.85. It then passes through a long cylindrical shield of commercial aluminum sheet, 7 cm in diameter. The shield is horizontal in still air at 25?C. What is the temperature of the shield? Is it reasonable to neglect natural convection inside and radiation outside? [Tshield = 153?C.]

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Mechanical Engineering: What is the temperature of the shield is it reasonable to
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