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Calculations of the effective thermal conductivity in a model of syntactic metallic hollow sphere structures using a lattice monte carlo method

Fiedler, Thomas and Ochsner, Andreas and Belova, Irina V. and Murch, Graeme E. (2008) Calculations of the effective thermal conductivity in a model of syntactic metallic hollow sphere structures using a lattice monte carlo method. Defect and Diffusion Forum, 273 . 216 -221. ISSN 1012-0386

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Official URL: http://dx.doi.org/10.4028/www.sciencetific.net/DDF...

Abstract

In this paper, a Lattice Monte Carlo method is used to determine the effective thermal conductivity in two dimensional models of adhesively bonded metallic hollow sphere structures (MHSS). In contrast to earlier approaches, more realistic distributions of spheres without the simplification of cubic symmetric arrangements are considered in this study. For the Monte Carlo analyses, two-dimensional periodic lattices representing different cutting planes through MHSS are generated. Therefore, an algorithm is used which sequentially fills the lattice by adding cut spherical shells and inclusions in the matrix. Another focus of this work is the analysis of the influence of different geometric circle distributions on the effective thermal conductivity. The findings of the random arrangements are also compared to a regular primitive cubic arrangement and with a Maxwell-type approach.

Item Type:Article
Uncontrolled Keywords:lattice monte carlo, MHSS, thermal conductivity
Subjects:T Technology > TJ Mechanical engineering and machinery
Divisions:Management and Human Resource Development (Formerly known)
ID Code:12815
Deposited By: Liza Porijo
Deposited On:30 Jun 2011 05:43
Last Modified:30 Jun 2011 05:43

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