Question: Steam condensing on the outer surface of a thin-walled circular tube of diameter D=50 mm and length L=6 m maintains a uniform outer surface

Steam condensing on the outer surface of a thin-walled circular tube of

Steam condensing on the outer surface of a thin-walled circular tube of diameter D=50 mm and length L=6 m maintains a uniform outer surface temperature of 100 C. Water flows through the tube at a rate m = 0.25 kg/s, and its inlet bulk temperature is To = 15 C. Determine: a) If the flow is laminar or turbulent b) The exit bulk temperature c) T (C) h (W/m.K) d) Rate of heat transfer from steam to water e) A plot of T vs x, where x is the distance in axial direction along the pipe. State any assumptions made, and use TL, guess = 57 C. Only one iteration is needed.

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