An aluminum plate of 25 mm thick (k = 235 W/m·K) is attached on a copper plate with thickness of 10 mm. The copper plate is heated electrically to dissipate a uniform heat flux of 5300 W/m2. The upper surface of the aluminum plate is exposed to convection heat transfer in a condition such that the convection heat transfer coefficient is 67 W/m2·K and the surrounding room temperature is 20°C. Other surfaces of the two attached plates are insulated such that heat only dissipates through the upper surface of the aluminum plate. If the surface of the copper plate that is attached to the aluminum plate has a temperature of 100°C, determine the thermal contact conductance of the aluminum–copper interface.
An aluminum plate of 25 mm thick (k = 235 W/m·K) is attached on a copper plate with thickness of 10 mm. The copper plate is heated electrically to dissipate a uniform heat flux of 5300 W/m2. The upper surface of the aluminum plate is exposed to convection heat transfer in a condition such that the convection heat transfer coefficient is 67 W/m2·K and the surrounding room temperature is 20°C. Other surfaces of the two attached plates are insulated such that heat only dissipates through the upper surface of the aluminum plate. If the surface of the copper plate that is attached to the aluminum plate has a temperature of 100°C, determine the thermal contact conductance of the aluminum–copper interface.
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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Question
An aluminum plate of 25 mm thick (k = 235 W/m·K)
is attached on a copper plate with thickness of 10 mm. The
copper plate is heated electrically to dissipate a uniform heat
flux of 5300 W/m2. The upper surface of the aluminum plate is exposed to convection heat transfer in a condition such that
the convection heat transfer coefficient is 67 W/m2·K and the
surrounding room temperature is 20°C. Other surfaces of the
two attached plates are insulated such that heat only dissipates
through the upper surface of the aluminum plate. If the
surface of the copper plate that is attached to the aluminum
plate has a temperature of 100°C, determine the thermal contact
conductance of the aluminum–copper interface.
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