IMPINGING JET COOLING OF WALL MOUNTED CUBES

机译：壁挂式小球的射流冷却

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This paper reports on the flow structure and the surface temperature distribution of a heated wall-mounted cube from an in-line array, subjected to cooling by the combined action of a channel flow and an impinging jet. The impinging jet issues from a round nozzle at the top wall. The turbulent flow field around the cube (measured with Particle Image Velocimetry (PIV)) and the temperature distribution on the surfaces of the cube (evaluated from an infrared imaging system) were determined for two different relative positions of the jet nozzle and the cube. The local flow structure in terms of flow separation and reattachment, and the rolling up of separating shear layers, has a marked influence on the local temperature distribution on the surface of the cube.

机译：本文报道了通过管道流和冲击射流的联合作用而受到冷却的，来自直列阵列的壁挂式加热立方体的流动结构和表面温度分布。撞击的射流是从顶壁的圆形喷嘴发出的。对于喷嘴和立方体的两个不同的相对位置，确定了立方体周围的湍流场（用粒子图像测速（PIV）测量）和立方体表面上的温度分布（从红外成像系统评估）。就流动分离和重新附着以及分离的剪切层的卷起而言，局部流动结构对立方体表面上的局部温度分布具有显着影响。

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来源
《ERCOFTAC International Symposium on Engineering Turbulence Modelling and Measurements(ETMM6); 20050523-25; Sardinia(IT)》|2005年|P.773-782|共10页
会议地点 Sardinia(IT)
作者
M.J. Tummers; M.A. Flikweert; K. Hanjalic; R. Rodink; B. Moshfegh;
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Delft University of Technology, Faculty of Applied Sciences, Thermal and Fluids Sciences Section, P.O. Box 5046, 2600 GA, The Netherlands;

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原文格式 PDF
正文语种 eng
中图分类工程流体力学;
关键词
heat transfer; turbulent structures; wall mounted cubes; electronics cooling; particle image velocimetry; infrared thermography;

机译：传热;湍流结构;壁挂式立方体;电子冷却;粒子图像测速法;红外热成像;

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1. Vortices and heat flux around a wall-mounted cube cooled simultaneously by a jet and a crossflow [J] . M. Popovac, K. Hanjalic International Journal of Heat and Mass Transfer . 2009,第17a18期

机译：射流和横流同时冷却壁挂式立方体周围的涡流和热通量
2. Experimental study of the turbulent flow around a single wall-mounted cube exposed to a cross-flow and an impinging jet [J] . Yunesky Masip, Alejandro Rivas, Gorka S. Larraona, International Journal of Heat and Fluid Flow . 2012,第期

机译：暴露于横流和撞击射流的单个壁挂式立方体周围的湍流实验研究
3. Large-eddy Simulation Of An Impinging Jet In A Cross-flow On A Heated Wall-mounted Cube [J] . D. Rundstroem, B. Moshfegh International Journal of Heat and Mass Transfer . 2009,第3a4期

机译：壁挂式加热立方体上横流撞击射流的大涡模拟
4. IMPINGING JET COOLING OF WALL MOUNTED CUBES [C] . M.J. Tummers, M.A. Flikweert, K. Hanjalic, ERCOFTAC International Symposium on Engineering Turbulence Modelling and Measurements(ETMM6) . 2005

机译：妨碍墙壁安装立方体的喷射冷却
5. Jet Diameter Effect on Impingement Jet Cooling on the Leading Edge of a Turbine Blade. [D] . Haider, Syed Abbas. 2015

机译：射流直径对涡轮叶片前缘冲击射流冷却的影响。
6. Severe Local Hypothermia from Laparoscopic Gas Evaporative Jet Cooling: A Mechanism To Explain Clinical Observations [O] . Robert I. Gray, Douglas E. Ott, A. Courtney Henderson, 1999

机译：腹腔镜气体蒸发射流冷却引起的严重局部低温：解释临床观察结果的机制
7. Heat Transfer Enhancement of Impingement Cooling by Adopting Circular-Ribs or Vortex Generators in the Wall Jet Region of A Round Impingement Jet [O] . Ken-Ichiro Takeishi, Robert Krewinkel, Yutaka Oda, 2020

机译：通过采用圆形冲击射流的壁式喷射区域中采用圆形肋或涡流发生器来传热增强冲击冷却

IMPINGING JET COOLING OF WALL MOUNTED CUBES

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