Numerical simulation of momentumless turbulent wake dynamics in linearly stratified medium
- Authors: Voropaeva O.F.1,2, Druzhinin O.A.3, Chernykh G.G.1,2
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Affiliations:
- Institute of Computational Technologies, Siberian Branch
- Novosibirsk State University
- Institute of Applied Physics
- Issue: Vol 25, No 1 (2016)
- Pages: 85-99
- Section: Article
- URL: https://journals.rcsi.science/1810-2328/article/view/210996
- DOI: https://doi.org/10.1134/S1810232816010082
- ID: 210996
Cite item
Abstract
This paper presents comparison of two numerical models of the momentumless turbulent wake dynamics behind a body of revolution in a linearly stratified medium, namely, the model based on direct (DNS) numerical integration of Navier–Stokes equations in the Oberbeck–Boussinesq approximation and the mathematical model with application of a semi-empirical turbulence model of the third order. The results of calculations by these two models agree with the known experimental data.
About the authors
O. F. Voropaeva
Institute of Computational Technologies, Siberian Branch; Novosibirsk State University
Author for correspondence.
Email: vorop@ict.nsc.ru
Russian Federation, pr. Akad. Lavrent’eva 6, Novosibirsk, 630090; ul. Pirogova 2, Novosibirsk, 630090
O. A. Druzhinin
Institute of Applied Physics
Email: vorop@ict.nsc.ru
Russian Federation, ul. Ulyanova 46, Nizhny Novgorod, 603950
G. G. Chernykh
Institute of Computational Technologies, Siberian Branch; Novosibirsk State University
Email: vorop@ict.nsc.ru
Russian Federation, pr. Akad. Lavrent’eva 6, Novosibirsk, 630090; ul. Pirogova 2, Novosibirsk, 630090
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