THERMAL SCIENCE

International Scientific Journal

Noureddine Boucheffa

,

Abdellah Abdellah Elhadj

,

Redha Rebhi

THE 2-D PLASMA THERMAL JET SIMULATIONS WITH SUBSTRATE INTERACTION

ABSTRACT
This paper presents plasma thermal jet simulations with substrate interaction. In this work, 2-D plasma thermal jet simulations will be presented using the ANSYS-CFX code with taking into account the interaction fluid-substrate during thermal spraying. Two models of turbulence are used such as the shear stress transport k-ω (SST-k-ω) and Re-normalization group (RNG-k-ε). The governing parameters of the problem under study are the plasma gas power, the nozzle exit temperature and velocity profiles, the plasma jet temperature and velocity fields and the substrate temperature. The experimental and numerical results are presented in order to carry out a comparison between these results. Moreover, transient simulations will be also treated for different x-positions and different values of time. The distribution of temperature of the substrate will be also presented.
KEYWORDS
plasma, thermal spray, substrate, SST-Kω, RNG-K-ε, argon, Ansys-CFX, 2D jet
PAPER SUBMITTED: 2019-07-22
PAPER REVISED: 2020-07-07
PAPER ACCEPTED: 2020-07-08
PUBLISHED ONLINE: 2020-08-08
DOI REFERENCE: https://doi.org/10.2298/TSCI190722212B
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2021, VOLUME 25, ISSUE Issue 5, PAGES [3467 - 3478]
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The 2-D plasma thermal jet simulations with substrate interaction

© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence