Stainless steel pipes with a thermal conductivity of 17 W / (m° C) are used to transport hot oil. The temperature inside the tube is 130° C. The inner diameter of the pipe is 8 cm and the thickness of the pipe wall is 2 cm. The pipe is then insulated with 4 cm thick insulation with a thermal conductivity of 0.035 W/ (m ° C). The ambient temperature of the pipe is 25 ° C. Calculate the temperature between the steel and the insulation if we assume a steady state. A picture of the pipe can be seen below.

Stainless steel pipes with a thermal conductivity of 17 W / (m° C) are used to transport hot oil. The temperature inside the tube is 130° C. The inner diameter of the pipe is 8 cm and the thickness of the pipe wall is 2 cm. The pipe is then insulated with 4 cm thick insulation with a thermal conductivity of 0.035 W/ (m ° C). The ambient temperature of the pipe is 25 ° C. Calculate the temperature between the steel and the insulation if we assume a steady state. A picture of the pipe can be seen below.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Conduction and Convection

When energy travels from one object to another it is said to have undergone heat transfer. Heat transfer is nothing but the transfer of thermal energy or internal energy from one thing to another, like e.g., when a vessel with water, kept on top of a burner, heats up because of the flame underneath it.

Question

Stainless steel pipes with a thermal conductivity of 17 W/ (m° C) are used to transport hot
oil. The temperature inside the tube is 130 ° C. The inner diameter of the pipe is 8 cm and
the thickness of the pipe wall is 2 cm. The pipe is then insulated with 4 cm thick insulation
with a thermal conductivity of 0.035 W / (m° C). The ambient temperature of the pipe is 25
° C. Calculate the temperature between the steel and the insulation if we assume a steady
state. A picture of the pipe can be seen below.

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