(Solution) - Air at 300 K and a flow rate of 3 kg h passes upward through a -(2025 Original AI-Free Solution)
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Air at 300 K and a flow rate of 3 kg/h passes upward through a 30-mm tube, as shown in the sketch. A thin film of water, also at 300 K, slowly falls downward on the inner surface of the tube. Determine the convection mass transfer coefficient for this situation.