Investigations of water droplet impact and freezing on a cold substrate with the Lattice Boltzmann method

A multiphase Lattice Boltzmann model with phase change is presented for studying droplet impact and solidification on an airfoil. The proposed model combines a pseudo-potential multiphase model and a thermal single-component phase change model. These two models are verified separately. The pseudo-po...

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Autores principales:	Jesús García Pérez, Sébastien Leclaire, Sami Ammar, Jean-Yves Trépanier, Marcelo Reggio, Ali Benmeddour
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Lattice Boltzmann method Pseudo-potential Contact angle Phase change Droplet Heat QC251-338.5
Acceso en línea:	https://doaj.org/article/744d55d858164a13a0c2930062fa67e5
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spelling	oai:doaj.org-article:744d55d858164a13a0c2930062fa67e52021-11-28T04:38:22ZInvestigations of water droplet impact and freezing on a cold substrate with the Lattice Boltzmann method2666-202710.1016/j.ijft.2021.100109https://doaj.org/article/744d55d858164a13a0c2930062fa67e52021-11-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2666202721000471https://doaj.org/toc/2666-2027A multiphase Lattice Boltzmann model with phase change is presented for studying droplet impact and solidification on an airfoil. The proposed model combines a pseudo-potential multiphase model and a thermal single-component phase change model. These two models are verified separately. The pseudo-potential model with the Peng–Robinson equation of state is used to simulate large density ratios of multiphase flows. The thermal model is based on the total enthalpy and allows the phase change without using an iterative methodology. The coupling is made through the immersed moving boundary method that handles the solid–liquid interface. The generalization for curved surfaces is introduced through to a novel extrapolation method at boundaries. The effects of surface wettability, static contact angle and initial velocity of the droplet on the evolution of solid fraction and total freezing time are discussed and compared to other simulation and experimental works.Jesús García PérezSébastien LeclaireSami AmmarJean-Yves TrépanierMarcelo ReggioAli BenmeddourElsevierarticleLattice Boltzmann methodPseudo-potentialContact anglePhase changeDropletHeatQC251-338.5ENInternational Journal of Thermofluids, Vol 12, Iss , Pp 100109- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Lattice Boltzmann method Pseudo-potential Contact angle Phase change Droplet Heat QC251-338.5
spellingShingle	Lattice Boltzmann method Pseudo-potential Contact angle Phase change Droplet Heat QC251-338.5 Jesús García Pérez Sébastien Leclaire Sami Ammar Jean-Yves Trépanier Marcelo Reggio Ali Benmeddour Investigations of water droplet impact and freezing on a cold substrate with the Lattice Boltzmann method
description	A multiphase Lattice Boltzmann model with phase change is presented for studying droplet impact and solidification on an airfoil. The proposed model combines a pseudo-potential multiphase model and a thermal single-component phase change model. These two models are verified separately. The pseudo-potential model with the Peng–Robinson equation of state is used to simulate large density ratios of multiphase flows. The thermal model is based on the total enthalpy and allows the phase change without using an iterative methodology. The coupling is made through the immersed moving boundary method that handles the solid–liquid interface. The generalization for curved surfaces is introduced through to a novel extrapolation method at boundaries. The effects of surface wettability, static contact angle and initial velocity of the droplet on the evolution of solid fraction and total freezing time are discussed and compared to other simulation and experimental works.
format	article
author	Jesús García Pérez Sébastien Leclaire Sami Ammar Jean-Yves Trépanier Marcelo Reggio Ali Benmeddour
author_facet	Jesús García Pérez Sébastien Leclaire Sami Ammar Jean-Yves Trépanier Marcelo Reggio Ali Benmeddour
author_sort	Jesús García Pérez
title	Investigations of water droplet impact and freezing on a cold substrate with the Lattice Boltzmann method
title_short	Investigations of water droplet impact and freezing on a cold substrate with the Lattice Boltzmann method
title_full	Investigations of water droplet impact and freezing on a cold substrate with the Lattice Boltzmann method
title_fullStr	Investigations of water droplet impact and freezing on a cold substrate with the Lattice Boltzmann method
title_full_unstemmed	Investigations of water droplet impact and freezing on a cold substrate with the Lattice Boltzmann method
title_sort	investigations of water droplet impact and freezing on a cold substrate with the lattice boltzmann method
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/744d55d858164a13a0c2930062fa67e5
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Investigations of water droplet impact and freezing on a cold substrate with the Lattice Boltzmann method

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