THE IMPACT OF A VORTEX INDUCED BY A BAFFLE ON THE TURBULENT STRUCTURE

机译：挡板引起的涡流对湍流结构的影响

获取原文

页面导航

摘要
著录项
相似文献
相关主题

摘要

An experimental study was conducted to investigate the impact of a rectangular baffle inside a square channel. PIV was used to measure the two-dimensional velocity fields. The measurements were conducted for two Reynolds numbers (Re_τ) equal to 134 and 152 in the turbulent regime. Results show that the turbulent intensities and the Reynolds Stress are enhanced by more than an order of magnitude in the presence of a baffle. Significant enhancement was observed in a region up to two times the baffle height.

机译：进行了实验研究，以研究矩形挡板在方形通道内的影响。 PIV用于测量二维速度场。在湍流状态下，在等于134和152的两个雷诺数（RE_τ）进行测量。结果表明，在挡板存在下，湍流强度和雷诺应力增强了多个数量级。在挡板高度的2倍的区域中观察到显着的增强。

著录项

来源
《ASME Fluids Engineering Division summer conference;FEDSM2008》|2009年|323-331|共9页
会议地点
作者
Shivani T. Gajusingh; Nasiruddin Shaikh; Kamran Siddiqui;
展开▼
作者单位

展开▼
会议组织
原文格式 PDF
正文语种
中图分类工程流体力学;
关键词
Re_τ: reynolds number based on friction velocity dimensionless; u': streamwise component of the turbulent velocity (cm/s); u_*: friction velocity (cm/s); U: mean streamwise velocity (cm/s); w': vertical component of the turbulent velocity (cm/s);

机译：Re_τ：基于摩擦速度的雷诺数无量纲; u'：湍流的流向分量（cm / s）; u_ *：摩擦速度（cm / s）; U：平均水流速度（cm / s）; w'：湍流速度的垂直分量（cm / s）;

相似文献

外文文献
中文文献
专利

1. Validation of the hydrodynamics in a turbulent un-baffled stirred tank: A necessity for vortex-reactor precipitation studies [J] . Chemical Engineering Science . 2020,第期

机译：湍流未挡板搅拌罐中流体动力学的验证：涡流反应器沉淀研究的必要性
2. Experimental PIV/V3V measurements of vortex-induced fluid-structure interaction in turbulent flow - A new benchmark FSI-PfS-2a [J] . A. Kalmbach, M. Breuer Journal of Fluids and Structures . 2013,第Null期

机译：湍流中涡流诱发的流体-结构相互作用的实验PIV / V3V测量-新的基准FSI-PfS-2a
3. Structure of a Turbulent Boundary Layer Interacting with Longitudinal Vortex Arrays (Feature of Longitudinal Vortex and Vorticity Profiles) [J] . Hideo Osaka, Gabriela Nedelcu 日本機械学会論文集. B編 . 1997,第605期

机译：与纵向涡流阵列相互作用的湍流边界层的结构（纵向涡流和涡度分布的特征）
4. THE IMPACT OF A VORTEX INDUCED BY A BAFFLE ON THE TURBULENT STRUCTURE [C] . Shivani T. Gajusingh, Nasiruddin Shaikh, Kamran Siddiqui ASME Fluids Engineering Division conference . 2009

机译：挡板在湍流结构上诱导涡旋的影响
5. Intermittent response of tall structures subjected to turbulent vortex-induced vibrations. [D] . Ezzeldin, Karim Nabil. 2002

机译：高层建筑在湍流引起的振动中的间歇响应。
6. Predicting contaminant dispersion using modified turbulent Schmidt numbers from different vortex structures [O] . Fei Li, Junjie Liu, Jianlin Ren, -1

机译：使用来自不同涡旋结构的改进的湍流Schmidt数预测污染物扩散
7. Structure of a large-scale coherent vortex in a turbulent boundary layer. (2nd report. Shear stress distribution around the large-scale vortex). [O] . Hideharu MAKITA, Koji SASSA, Akiyoshi ITABASHI, 1989

机译：湍流边界层中大型相干涡流的结构。（第二次报告。大规模涡旋周围的剪切应力分布）。
8. The Coherent Structure of Turbulent Mixing Layers. I. Similarity of the Primary Vortex Structure. II. Secondary Streamwise Vortex Structure [R] . Bernal, L. P. 1981

机译：湍流混合层的相干结构。 I.初级涡旋结构的相似性。 II。二次流动涡结构

THE IMPACT OF A VORTEX INDUCED BY A BAFFLE ON THE TURBULENT STRUCTURE

摘要

著录项

相似文献

相关主题

期刊订阅