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Finite element analysis of the temperature dependent conductivity of metallic hollow sphere structures

Fiedler, T. and Ochsner, Andreas (2007) Finite element analysis of the temperature dependent conductivity of metallic hollow sphere structures. The International Journal of Multiphysics, 1 (3). pp. 283-289. ISSN 1750-9548

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Abstract

In the scope of this study, finite element analysis is applied in order to determine the effective thermal conductivity of periodic metallic hollow sphere structures (MHSS). Two different joining technologies for the connection of the hollow spheres, namely sintering and adhesive bonding, are considered. For the determination of the thermal conductivity of the MHSS, the temperature dependence of the thermal conductivities of the base materials, i.e. hollow spheres and joining element, are considered. Two different cases, a low and a high temperature gradient within the structure are distinguished. Furthermore, the overall thermal conductivities of sandwich panels with an insulating MHSS core in dependence on the relative face sheet thickness are investigated.

Item Type:Article
Uncontrolled Keywords:thermal conductivity; hollow sphere structure; non-linear analysis; sandwich panel
Subjects:T Technology > TJ Mechanical engineering and machinery
Divisions:Mechanical Engineering
ID Code:8112
Deposited By: Norshiela Buyamin
Deposited On:27 Mar 2009 07:18
Last Modified:15 Apr 2009 03:10

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