An aniline-alcohol solution is flowing at a velocity of 10 fps through a long, 1-in.-ID thin wall tube. On the
An aniline-alcohol solution is flowing at a velocity of 10 fps through a long, 1-in.-ID thin wall tube. On the outer surface of the tube, steam is condensing at atmospheric pressure, and the tube-wall temperature is 212?F. The tube is clean, and there is no thermal resistance due to a scale deposit on the inner surface. Using the physical properties tabulated below, estimate the heat transfer coefficient between the fluid and the pipe by means of Equations (6.63) and (6.64), and compare the results. Assume that the bulk temperature of the aniline solution is 68?F and neglect entrance effects. Physical properties of the aniline solutionPhysical properties of the aniline solution
GIVENAn aniline-alcohol solution flowing through a thin-walled tubeTube is clean with no scaling on inner surfaceVelocity (V) = 10 fps = 36,000 ft/hInside diameter of tube (D) = 1 in = 0.0833 ftTube wall surface temperature (Ts) = 212?FSolution has the properties listed aboveSolution bulk temperature (Tb = 68?)ASSUMPTIONSSteady stateEntrance effects are negligibleThermal resistance of the tube is negligibleTube wall temperature is constant and uniformFully developedflow
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