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Large Eddy Simulation of Three Dimensional Impinging Jets

Nadjib Ghiti1
Corresponding Author. Doctor in Mechanical Engineering and Trainer at Petrofac Training services UAE. Tel.: +213 551 77 45 68; fax: +213 21 20 77 65. Email: ghitinadjib@gmail.com , ghitinadjib@yahoo.fr

Computer Modeling in Engineering & Sciences 2014, 99(3), 195-208. https://doi.org/10.3970/cmes.2014.099.195

Abstract

This paper presents a large eddy simulation of three dimensional vertically impinging jet on a horizontal plate. The air impinging jet was simulated using the perturbed method based on a high vortex number in the jet inlet for different ranges of Reynolds number Re= 6000, 8000, 10000, 12000, 14000 and for the same distance between the jet and the impinging plate. The effect of the Reynolds number of the air jet impinging on a horizontal plate was studied; the study showed that the vorticity magnitude is increased with the increasing of the Reynolds number. The turbulent flow jet was decomposed into three principal regions: the free jet region, the impinging point region and the wall jet region. The increase of the jet Reynolds number has a strong effect on the turbulent characteristics of the flow near the wall plate.

Keywords

Large eddy simulation, impinging jet, turbulence, Reynolds number.

Cite This Article

Ghiti, N. (2014). Large Eddy Simulation of Three Dimensional Impinging Jets. CMES-Computer Modeling in Engineering & Sciences, 99(3), 195–208.



This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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