Investigation of three-dimensional effects on a cavitating Venturi flow

被引：43
|
作者：
Decaix, Jean [1 ]
Goncalves, Eric [1 ]
机构：
[1] LEGI Grenoble INP, F-38400 St Martin Dheres, France
来源：
INTERNATIONAL JOURNAL OF HEAT AND FLUID FLOW | 2013年 / 44卷
关键词：
Cavitation; Homogeneous model; Scale-adaptive model; 3D effects; Instabilities; PARTIAL CAVITY FLOWS; EDDY SIMULATION; TURBULENT-FLOW; PART; MODEL; BEHAVIOR; SCHEMES;
D O I：
10.1016/j.ijheatfluidflow.2013.08.013
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A numerical investigation of the behaviour of a cavitation pocket developing along a Venturi geometry has been performed using a compressible one-fluid hybrid RANS/LES solver. The interplay between turbulence and cavitation regarding the unsteadiness and structure of the flow is complex and not well understood. This constitutes a determinant point to accurately simulate the dynamic of sheet cavities. Various turbulent approaches are tested: a new Scale-Adaptive model and the Detached Eddy Simulation. 20 and 3D simulations are compared with the experimental data. An oblique mode of the sheet is put in evidence. (C) 2013 Elsevier Inc. All rights reserved.
引用
收藏
页码：576 / 595
页数：20
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