An oil flow through a 40 mm bore steel pipe with the thickness of 4 mm. The pipe is covered by 10 mm thickness of insulator with the thermal conductivity of 0.038 W/m.K as shown in Diagram 4b. The temperature of the oil in the pipe is 75°C and the ambient temperature is 17°C. The internal thermal conductivity of steel is 50 W/m.K and the inside and outside heat transfer coefficient are 300 W/m².C and 17 W/m².C respectively. Neglecting radiation, calculate the following: i. Rate of heat flow per meter length of the pipe ii. The temperature of the outside surface (Ts). Ts Oil 75°C Ambient temperature 17°C 40

An oil flow through a 40 mm bore steel pipe with the thickness of 4 mm. The pipe is covered by 10 mm thickness of insulator with the thermal conductivity of 0.038 W/m.K as shown in Diagram 4b. The temperature of the oil in the pipe is 75°C and the ambient temperature is 17°C. The internal thermal conductivity of steel is 50 W/m.K and the inside and outside heat transfer coefficient are 300 W/m².C and 17 W/m².C respectively. Neglecting radiation, calculate the following: i. Rate of heat flow per meter length of the pipe ii. The temperature of the outside surface (Ts). Ts Oil 75°C Ambient temperature 17°C 40

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 7.29P

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