What is the rate of heat loss from a heated horizontal pipe as a result of natural (free) convection that have a length of 1 m and surface temperature of 100 deg C, the ambient air is at 0 deg C and the diameter of the pipe is 0.1 m. Film temperature Tf averaged boundary layer temperature Tf=50 =C. kf=0.03 W/m.K, Pr=0.7, /=2=10-5 m2/s, /=0.0031(1/K) Select one: a. 249.0378 b. 191.1709 c. 220.7985 d. 278.9799

What is the rate of heat loss from a heated horizontal pipe as a result of natural (free) convection that have a length of 1 m and surface temperature of 100 deg C, the ambient air is at 0 deg C and the diameter of the pipe is 0.1 m. Film temperature Tf averaged boundary layer temperature Tf=50 =C. kf=0.03 W/m.K, Pr=0.7, /=2=10-5 m2/s, /=0.0031(1/K) Select one: a. 249.0378 b. 191.1709 c. 220.7985 d. 278.9799

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.

Chapter5: Analysis Of Convection Heat Transfer

Section: Chapter Questions

Problem 5.57P

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