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Numerical Heat Transfer, Part B: Fundamentals
An International Journal of Computation and Methodology
Volume 79, 2021 - Issue 5-6
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Original Articles

Nonlinear enthalpy transformation for transient convective phase change in Smoothed Particle Hydrodynamics (SPH)

Amirsaman FarrokhpanahDepartment of Mechanical & Industrial Engineering, University of Toronto, Ontario, CanadaCorrespondence[email protected]
ORCID Iconhttps://orcid.org/0000-0002-8499-6567
ORCID Icon,
Javad MostaghimiDepartment of Mechanical & Industrial Engineering, University of Toronto, Ontario, CanadaORCID Iconhttps://orcid.org/0000-0003-2999-0821
ORCID Icon &
Markus BussmannDepartment of Mechanical & Industrial Engineering, University of Toronto, Ontario, CanadaORCID Iconhttps://orcid.org/0000-0002-4117-6710
ORCID Icon
Pages 255-277 | Received 26 Nov 2020, Accepted 10 May 2021, Published online: 02 Jun 2021
 
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Abstract

A three-dimensional model is presented for the prediction of solidification behavior using a nonlinear transformation of the enthalpy equation in a Smoothed Particle Hydrodynamics (SPH) discretization. The effect of phase change in the form of release and absorption of latent heat is implemented implicitly as variable source terms in the enthalpy calculation. The developed model is validated against various experimental, analytical, and numerical results from the literature. Results confirm accuracy and robustness of the new procedure. Finally, the SPH model is applied to a study of suspension plasma spraying (SPS) by predicting the impact and solidification behavior of molten ceramic droplets on a substrate.

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