Consider a flow of oil at 20oC in a 30 cm diameter pipeline at an average velocity of 2 m/s. A 100 m long section of the horizontal pipeline passes through icy waters of a lake at 0oC. Measurements indicate that the surface temperature of the pipe is very nearly 0oC. Disregarding the thermal resistance of the pipe material, a) Determine the temperature of the oil when the pipe leaves the lake (Thb). b) Calculate the rate of heat transfer from the oil.

Consider a flow of oil at 20oC in a 30 cm diameter pipeline at an average velocity of 2 m/s. A 100 m long section of the horizontal pipeline passes through icy waters of a lake at 0oC. Measurements indicate that the surface temperature of the pipe is very nearly 0oC. Disregarding the thermal resistance of the pipe material, a) Determine the temperature of the oil when the pipe leaves the lake (Thb). b) Calculate the rate of heat transfer from the oil.

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.

Chapter7: Forced Convection Inside Tubes And Ducts

Section: Chapter Questions

Problem 7.16P

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