Direct Numerical Simulation of a Recirculating, Swirling Flow

被引：0
|
作者：
Martin Freitag
Markus Klein
机构：
[1] Darmstadt Technical University,Institute for Energy and Powerplant Technology, Department of Mechanical Engineering
来源：
Flow, Turbulence and Combustion | 2005年 / 75卷
关键词：
DNS; parallelization; swirling; recirculating flow; precessing vortex core;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A direct numerical simulation (DNS) of a recirculating, swirling flow is performed at a Reynolds number of 5000. Detailed one and two point statistics are presented in this paper. Flow visualization and frequency analysis are used to identify a precessing vortex core and to characterize its position, extent and influence on the flow field. The results are compared with laser Doppler velocimetry (LDV) measurements as well as large eddy simulation (LES) data reported in the literature. The present work constitutes a first step in setting up a DNS data base for complex flows.
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页码：51 / 66
页数：15
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