Air-free, saturated steam at temperature Tv = 100 oC condenses on the outer surface of a horizontal tube of length L = 1.8 m and outer diameter D = 1 cm, maintained at a uniform temperature Tw = 65 oC. Calculate: (a) the average condensation heat-transfer coefficient over the entire length of the tube. (b) the total condensation rate at the tube surface If steam flows downwards across the outer surface of the tube at a velocity of 2 m/s, calculate: (c) the average condensation heat-transfer coefficient over the entire length of the tube. (d) the total condensation rate at the tube surface.

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air free saturated steam at temperature tv 100 oc condenses on the out

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Air-free, saturated steam at temperature Tv = 100 oC condenses on the outer surface of a horizontal tube of length L = 1.8 m and outer diameter D = 1 cm, maintained at a uniform temperature Tw = 65 oC. Calculate: (a) the average condensation heat-transfer coefficient over the entire length of the tube. (b) the total