A steel strip emerges from the hot roll section of a steel mill at a speed of 20 m/s and a temperature of 1200 K. Its length and thickness are 75m and 0.002m, respectively, and its density and sepcific heat are 7900 kg/m3 and 640 J/kgK, respectively.
Accounting for heat transfer from the top and bottom surfaces and neglecting radiation and strip conduction effects, determine the time rate of chage of the strip temperature at a distance of 0.1 m from the leading edge and at the trailing edge. Det...
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flow
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heat
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laminar
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transfer
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turbulent
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문제
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열전달
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