Dry, compressed air at Tm,iwhose surface is at T; = 25°C. Determine the thermal entry length, in m, the mean temperature of the air at the tube outlet, in K, therate of heat transfer from the air to the tube wall, in W, and the power required to flow the air through the tube, in W. For theseconditions the fully developed heat transfer coefficient is h = 3.58 W/m2-K. Evaluate the properties of air at 320 K75°C, p = 10 atm, with a mass flow rate of m = 0.003 kg/s, enters a 32-mm-diameter, 5-m-long tubeiTmo =iKP =iq =

GivenTm,i=75°Cp=10atmm˙=0.003kg/sd=32mmlength,l=5mTs=25°Ch=3.58W/m2.k

Answered: Dry, compressed air at Tmi = 75°C. p =…

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter6: Forced Convection Over Exterior Surfaces

Section: Chapter Questions

Problem 6.53P

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