An engineer proposes to insert a solid rod of diameter Di
Chapter , Problem 8.102(choose chapter or problem)
An engineer proposes to insert a solid rod of diameter Di into a circular tube of diameter Do to enhance heat transfer from the flowing fluid of temperature Tm to the outer tube wall of temperature Ts,o. Assuming laminar flow, calculate the ratio of the heat flux from the fluid to the outer tube wall with the rod to the heat flux without the rod, q o/q o,wo, for Di/Do 0, 0.10, 0.25 and 0.50. The rod is placed concentrically within the tube.
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