Proceedings of the 12th Annual Conference on Liquid Atomization and Spray Systems , 1999-01-01

Title : ( Modeling sequential impact of two molten droplets on a solid surface )

Authors: Mohammad Passandideh-Fard , J. Mostaghimi , S. Chandra ,

Citation: BibTeX | EndNote

Abstract

Physical properties of thermal spray coatings, such as porosity, are sensitive to a large number of process parameters (e.g.: droplet size distribution, velocity, temperature and degree of solidification; substrate material and temperature) which are optimized by trial and error [1]. Better control of the process requires a fundamental understanding of the fluid flow and heat transfer that occurs during the impact, spreading, and solidification of molten droplets. In a previous study [2], we developed a 2D/axisymmetric model to simulate the impact of molten tin droplets on a steel plate; the predictions of the model were compared with photographs of impacting droplets. Modeling the impact of several droplets or the impact on a previously solidified splat, however, requires a 3D model. The objectives of this study are: to develop a 3D numerical model of free-surface flows and heat transfer\" including phase cpange, and to demonstrate that the model oan simulate a complex phenomenon of theE impact of a droplet on a previously solidified splat.

Keywords

, Modeling, sequential impact, molten droplets, solid surface
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@inproceedings{paperid:1021674,
author = {Passandideh-Fard, Mohammad and J. Mostaghimi and S. Chandra},
title = {Modeling sequential impact of two molten droplets on a solid surface},
booktitle = {Proceedings of the 12th Annual Conference on Liquid Atomization and Spray Systems},
year = {1999},
location = {Indianapolis, Indiana},
keywords = {Modeling; sequential impact; molten droplets; solid surface},
}

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%0 Conference Proceedings
%T Modeling sequential impact of two molten droplets on a solid surface
%A Passandideh-Fard, Mohammad
%A J. Mostaghimi
%A S. Chandra
%J Proceedings of the 12th Annual Conference on Liquid Atomization and Spray Systems
%D 1999

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