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Nanofluid Suspensions and Bi-composite Media as Derivatives of Interface Heat Transfer Modeling in Porous Media

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Emerging Topics in Heat and Mass Transfer in Porous Media

Part of the book series: Theory and Applications of Transport in Porous Media ((TATP,volume 22))

Abstract

Spectacular heat transfer enhancement has been measured in nanofluid suspensions. Attempts in explaining these experimental results did not yield yet a definite answer. Modelling the heat conduction process in nanofluid suspensions is being shown to be a special case of heat conduction in porous media subject to Lack of Local thermal equilibrium (LaLotheq). Similarly, the modelling of heat conduction in bi-composite systems is also equivalent to the applicable process in porous media. The chapter reviews the topic of heat conduction in porous media subject to Lack of Local thermal equilibrium (LaLotheq), introduces one of the most accurate methods of measuring the thermal conductivity, the transient hot wire method, and discusses its possible application to dual-phase systems. Maxwell’s concept of effective thermal conductivity is then introduced and theoretical results applicable for nanofluid suspensions are compared with published experimental data.

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Authors and Affiliations

  1. Northern Arizona University, Flagstaff, AZ, USA

    Peter Vadász

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  1. Peter Vadász
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  1. Department of Mechanical Engineering, Northern Arizona University, Flagstaff, AZ, U.S.A

    Peter Vadász

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Vadász, P. (2008). Nanofluid Suspensions and Bi-composite Media as Derivatives of Interface Heat Transfer Modeling in Porous Media. In: Vadász, P. (eds) Emerging Topics in Heat and Mass Transfer in Porous Media. Theory and Applications of Transport in Porous Media, vol 22. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-8178-1_12

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  • DOI: https://doi.org/10.1007/978-1-4020-8178-1_12

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-1-4020-8177-4

  • Online ISBN: 978-1-4020-8178-1

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