A hot fluid passes through a thin-walled tube of 10-mm diameter and 1-m length, and a...
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A hot fluid passes through a thin-walled tube of 10-mm diameter and 1-m length, and a coolant at T, = 25°C is in cross flow over the tube. When the flow rate is m = 18 kg/h and the inlet temperature is Tmi = 100°C, the outlet temperature is Tmo = 78°C. Tube, D, L Coolant Hot fluid Assuming fully developed flow and thermal conditions in the tube, determine the outlet temperature, Tm.a, if the flow rate of the hot fluid is increased by a factor of 4. That is, rin = 72 kg/h, with all other conditions the same. The thermophysical properties of the hot fluid are p = 1079 kg/m?, C, = 2637 J/kg-K, u = 0.0034 N-s/m2, and k = 0.261 W/m-K. The outlet temperature, Tmo, if the flow rate is increased by a factor of 4, in °C: A hot fluid passes through a thin-walled tube of 10-mm diameter and 1-m length, and a coolant at T, = 25°C is in cross flow over the tube. When the flow rate is m = 18 kg/h and the inlet temperature is Tmi = 100°C, the outlet temperature is Tmo = 78°C. Tube, D, L Coolant Hot fluid Assuming fully developed flow and thermal conditions in the tube, determine the outlet temperature, Tm.a, if the flow rate of the hot fluid is increased by a factor of 4. That is, rin = 72 kg/h, with all other conditions the same. The thermophysical properties of the hot fluid are p = 1079 kg/m?, C, = 2637 J/kg-K, u = 0.0034 N-s/m2, and k = 0.261 W/m-K. The outlet temperature, Tmo, if the flow rate is increased by a factor of 4, in °C:
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