PDF modeling study of a self-similar turbulent plane jet flow

被引：0
|
作者：
Hong, ZC [1 ]
Chen, MH
Duh, WC
机构：
[1] Natl Cent Univ, Chungli 32054, Taiwan
[2] Chung Chou Inst Technol, Yuanlin 510, Taiwan
[3] Tamkang Univ, Taipei 251, Taiwan
来源：
JSME INTERNATIONAL JOURNAL SERIES B-FLUIDS AND THERMAL ENGINEERING | 2000年 / 43卷 / 02期
关键词：
turbulent flow; plane jet; PDF model;
D O I：
10.1299/jsmeb.43.143
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
This study presents a turbulence probability density function (pdf) equation model to solve a self-similar turbulent plane jet flow. The approximate moment method is also applied to solve this pdf equation. The calculated mean velocity, turbulent energy and Reynolds stress agree well with the available experimental data, indicating that the pdf equation model and the moment method can quantitatively describe the statistics of free turbulence. Additionally, the turbulence energy balance and shear stress balance are calculated. According to these calculations the pdf methods are more highly promising than conventional turbulence models in terms of revealing turbulence structure. The applicability of the simple theories of turbulence is also discussed.
引用
收藏
页码：143 / 154
页数：12
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