Air at 1 atmosphere and a temperature of 60 F enters 1/2-in. id tube with a velocity of 80 fps. The wall is maintained at a constant temperature of 210 F by condensing steam. Fin the convective heat-transfer coefficient for this situation if the tube is 5ft long. Find also the q

EXAMPLZ 3 Air at I atmosphere and a temmperature of 60F enters af-in.-ID tube with a velocity of 80 fos. The wall is maintained at a constant temperature of 210F by condensing steam. she convective heat-transler coefficient for this situation if the tube jas it long. As in example 2 it will be necessary to calculate the exit fluid temperature by T-T.4 F T-T,L h D puc, (19-61) In To-T,