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Non-linear calculations of transient thermal conduction in composite materials

Fiedler, T. and Belova, I. V. and Öchsner, A. and Murc, G. E. (2009) Non-linear calculations of transient thermal conduction in composite materials. Computational Materials Science, 45 (2). 434 -438. ISSN 0927-0256

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Official URL: http://dx.doi.org/10.1016/j.commatsci.2008.10.021


Using the recently formulated Lattice Monte Carlo method this work addresses transient thermal response in composite materials. Lattice-based random walks of virtual thermal energy particles are used to obtain temperature profiles in homogeneous and simple two-phase composites and compared to finite element calculations for validation. In particular, temperature-dependent thermal properties of the base material(s) are accounted for. In the second part of the paper, transient heat transfer into several different types of cellular metals is considered. The geometric discretisation is based on computed tomography scans of real materials. In addition to acquisition of temperature profiles inside the cellular metals, the amount of energy transferred over time is determined in order to evaluate their applicability in heat sinks.

Item Type:Article
Uncontrolled Keywords:cellular metals, lattice monte carlo, thermal properties, transient heat transfer
Subjects:T Technology > TJ Mechanical engineering and machinery
Divisions:Mechanical Engineering
ID Code:13010
Deposited By: Liza Porijo
Deposited On:12 Jul 2011 03:53
Last Modified:12 Jul 2011 03:53

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