Study of an Immersed Axisymmetric Turbulent Jet in Comparative Analysis of Turbulence Models-Reference-Cited by-同舟云学术

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

Published:2022-04 Issue:2 (101) Volume: Page:22-35
ISSN:1812-3368
Container-title:Herald of the Bauman Moscow State Technical University. Series Natural Sciences
language:
Short-container-title:HoBMSTU.SNS

Author:

Malikov Z.M.¹,Nazarov F.Kh.²

Affiliation:

1. AKFA University

2. Tashkent State Technical University named after Islam Karimov

Abstract

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

Publisher

Bauman Moscow State Technical University

Subject

General Physics and Astronomy,General Engineering,General Mathematics,General Chemistry,General Computer Science

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