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Lattice Monte Carlo Analysis of Thermal Diffusion in Multi-Phase Materials

  • T. FiedlerEmail author
  • I. V. Belova
  • A. Öchsner
  • G. E. Murch
Chapter
Part of the Advanced Structured Materials book series (STRUCTMAT, volume 2)

Abstract

This Chapter addresses the numerical simulation of thermal diffusion in multi-phase materials. A Lattice Monte Carlo method is used in the analysis of two- and three-dimensional calculation models. The composites considered are assembled by two or three phases, each exhibiting different thermal conductivities. First, a random distribution of phases is considered and the dependence of the effective thermal conductivity on the phase composition is investigated. The second part of this analysis uses a random-growth algorithm that simulates the influence of surface energy on the formation of composite materials. The effective thermal conductivity of these structures is investigated and compared to random structures. The final part of the Chapter addresses percolation analyses. It is shown that the simulation of surface energy distinctly affects the percolation behavior and therefore the thermal properties of composite materials.

Keywords

Percolation Threshold Effective Thermal Conductivity Phase Fraction Conductivity Ratio Effective Medium Theory 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2010

Authors and Affiliations

  • T. Fiedler
    • 1
    Email author
  • I. V. Belova
    • 1
  • A. Öchsner
    • 2
    • 1
  • G. E. Murch
    • 1
  1. 1.The University of NewcastleCallaghanAustralia
  2. 2.Technical University of MalaysiaJohorMalaysia

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