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Thermal resistance of two solids in contact through a cylindrical joint

✍ Scribed by Kek-Kiong Tio; Toh Kok Chuan

Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
994 KB
Volume
41
Category
Article
ISSN
0017-9310

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✦ Synopsis

The steady-state heat-conduction problem of two semi-infinite solids in contact through a cylindrical joint is, by physical symmetry and uniqueness of solution, reduced to the problem of a cylinder of isothermal top surface in contact at its bottom with a semi-infinite solid. An analysis is carried out to investigate the thermal resistance of the system, taking into account the aspect ratio of the cylinder and the thermal conductivity of the solids. The effect of these parameters on the thermal resistance, which consists of the constriction resistance at the interface and the material resistance of the cylinder, is examined and discussed.

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