Study of an Immersed Axisymmetric Turbulent Jet in Comparative Analysis of Turbulence Models

Authors: Malikov Z.M., Nazarov F.Kh. Published: 27.04.2022
Published in issue: #2(101)/2022  
DOI: 10.18698/1812-3368-2022-2-22-35

Category: Mathematics and Mechanics | Chapter: Mathematical Physics  
Keywords: axisymmetric turbulent jet, RANS models, two-fluid model, von Mises variables, implicit scheme


The study comparatively analyzes RANS turbulence models, such as the Menter (SST), Spalart --- Allmaras (SA), Sekundov models, and a recently developed two-fluid model by numerical simulation of an axisymmetric immersed jet. The analysis is done by comparing the obtained numerical results with experimental data and using the results of the analysis of their numerical implementation. For all models, the same numerical algorithm is applied. To facilitate the study of a free jet, "parabolized" hydrodynamic equations are considered, for the numerical implementation of which the marching integration method is used. An absolutely stable implicit finite-difference scheme is applied. The study shows that the developed two-fluid model has advantages over other models both in terms of accuracy and simplicity of numerical implementation

Please cite this article in English as:

Malikov Z.M., Nazarov F.Kh. Study of an immersed axisymmetric turbulent jet in comparative analysis of turbulence models. Herald of the Bauman Moscow State Technical University, Series Natural Sciences, 2022, no. 2 (101), pp. 22--35 (in Russ.). DOI: https://doi.org/10.18698/1812-3368-2022-2-22-35


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