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An experimental model of heat transfer from flow through a pipe is to use the same working fluid as the full - scale situation. In

An experimental model of heat transfer from flow through a pipe is to use the same working fluid as the full-scale situation. In such a case, the Nusselt number (hd/k, where h is the heat transfer coeffcient, d is the pipe diameter and k is a fluid property) is a function of the Reynolds number. What would you expect to be the ratio of the full-scale heat transfer coefficient to that measured in the model when the flow velocity in the model is 0.75 times that of the full-scale situation. Answer to two decimal places.

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