Frial-and-error solution for heating water water is flowing inside a horizontal 나in. schedule 40 steel pipe at 37.8°c and a velocity of 1.52 m/s. steam at 1083c is condensing on the outside of the pipe wall and the steam coefficient is assumed con stant at 9100 wm2 k (a) calculate the convective coefficient h, for the water. (note that this is trial and error. a wall temperature on the inside must be assumed first.) (b) calculate the overall cocfficient u, based on the inside area and the heat- transfer flux gla, in w/m2