Self-similar solutions of the second-order model of the far turbulent wake

被引：10

作者：

Kaptsov, O. V. ^{[1
]}

Efremov, I. A. ^{[1
]}

Shmidt, A. V. ^{[2
]}

机构：

[1] Russian Acad Sci, Inst Computat Modeling, Siberian Div, Krasnoyarsk 660036, Russia

[2] Siberian Fed Univ, Krasnoyarsk 660041, Russia

来源：

JOURNAL OF APPLIED MECHANICS AND TECHNICAL PHYSICS | 2008年 / 49卷 / 02期

基金：

俄罗斯基础研究基金会;

关键词：

far wake; turbulence; self-similarity; second-order models;

D O I：

10.1007/s10808-008-0031-5

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

A second-order semi-empirical two-dimensional model of turbulence in the approximation of the far turbulent wake is considered. The sought quantities are the velocity defect, kinetic turbulent energy, energy dissipation, and Reynolds stress. The full group of transformations admitted by this model is found. Self-similar solutions satisfying natural boundary conditions are constructed. The solutions obtained agree with experimental data.

引用

页码：217 / 221

页数：5

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