Experimental study of the blowing impact on a hot turbulent boundary layer

被引：7

作者：

Brillant, G. ^{[1
,2
]}

Husson, S. ^{[2
]}

Bataille, F. ^{[2
]}

机构：

[1] CEA, DEN DER SSTH LMDL, F-38054 Grenoble 9, France

[2] Inst Natl Sci Appl, CNRS, UMR 5008, Ctr Therm Lyon, F-69621 Villeurbanne, France

来源：

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2008年 / 51卷 / 7-8期

关键词：

hot and cold wires anemometers; non-isothermal blowing; velocity-temperature correlations; turbulent boundary layers;

D O I：

10.1016/j.ijheatmasstransfer.2007.06.022

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

We present an experimental study of non-isothermal blowing through a porous flat plate using hot and cold wires anemometry. The calibration procedure is presented, taking into account the influence of the temperature. King's law coefficients are determined and a cosinus method is employed to calibrate the angle of the cross wires. A first set of measurements permits to investigate the influence of the temperature on the hot wire and the Seebeck effect on the cold wire. The experimental results are presented. We observe that blowing has a strong influence on the velocity and temperature profiles as well as on the velocity-velocity and velocity-temperature correlations and on the flow statistics. The velocity and temperature spectra are also given, showing that their slopes are modified by the blowing. (C) 2007 Elsevier Ltd. All rights reserved.

引用

页码：1996 / 2005

页数：10

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