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Quest ion: A 40-cm-long, 0.6-cm-diameter electric resistance wire is used to determine the convection heat transfer coefficient in air at 25°C experimentally. The surface temperature of the wire is measured to be 150°C when the electric power consumption is 90 W.
Part A: If the radiation heat loss from the wire is calculated to be 30 W, the convection heat transfer coefficient is?
It'd be really helpful if you could show all steps of your work. Thanks.
Consider the gas-solid equilibrium in the model when oscillators in the solid move in three dimensions. In the high temperature limit T>>hbarω find pressure P(T) as the function of temperature.
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