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Numerical Heat Transfer, Part A: Applications
An International Journal of Computation and Methodology
Volume 77, 2020 - Issue 12
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Original Articles

Experimental and numerical investigation of the melting process of aluminum foam/paraffin composite with low porosity

, , , &
Pages 998-1013 | Received 04 Sep 2019, Accepted 19 Mar 2020, Published online: 07 Apr 2020
 

Abstract

The present article investigates the melting process of aluminum foam/paraffin composite with low porosity by using experimental and numerical methods. Three composites with porosities 67%, 75%, and 84% are compared in terms of temperature variation, interface evolution, and total melting time. The experimental results indicate that the effect of thermal conduction and thermal convection on the melting process is affected greatly by the porosity. In the composite with porosity 84%, the heat flux ratio of convective heat transfer tends to be larger than 20%. Furthermore, the 3 D macro models are also established by using equilibrium model and non-equilibrium model.

Disclosure statement

We declare that we do not have any commercial or associative interest that represents a conflict of interest in connection with the work submitted

Acknowledgments

The authors gratefully acknowledge the financial supports for this work.

Additional information

Funding

This work was supported by China Scholarship Council (201304490070).

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