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首页> 外文会议>The 2001 ASME International Mechanical Engineering Congress and Exposition, 2001, Nov 11-16, 2001, New York, New York >DESIGN AND DEVELOPMENT OF A JET IMPINGEMENT FACILITY FOR EXPERIMENTAL STUDIES
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DESIGN AND DEVELOPMENT OF A JET IMPINGEMENT FACILITY FOR EXPERIMENTAL STUDIES

机译：实验研究射流冲击装置的设计与开发

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摘要

This paper describes the design and development of a facility for the study of jet impingement heat transfer. The facility was designed to teach undergraduate students about the relation between fluid mechanics and convective heat transfer. It consists of a heated surface mounted perpendicular to a 9.8 by 3.8 cm slot jet nozzle on an adjustable base. A small compact blower serves as the air supply and is also mounted on the base. The jet to surface gap distance can be varied from 0 to 25 cm and the jet velocity can be varied from 2 to 15 m/s. The system uses particle image velocimetry (PIV) to measure the impinging flow velocities and liquid crystal thermography (LCT) to measure the temperatures on the heated surface. This paper will discuss the design constraints, the design options, and several analyses used to size the jet nozzle and the heat transfer surface. The final design will be presented as well as some typical PIV and LC results which illustrate the jet impingement cooling phenomena.
机译：本文介绍了一种用于研究射流冲击传热的设备的设计和开发。该设施旨在向大学生讲授流体力学与对流传热之间的关系。它由垂直于9.8 x 3.8厘米狭缝喷嘴安装在可调底座上的加热表面组成。小型紧凑型鼓风机用作气源，也安装在底座上。射流到表面间隙的距离可以在0到25 cm之间变化，射流速度可以在2到15 m / s之间变化。该系统使用粒子图像测速（PIV）来测量撞击流速，并使用液晶热成像（LCT）来测量加热表面上的温度。本文将讨论设计约束，设计选择以及用于确定喷嘴和传热表面尺寸的几种分析方法。将介绍最终设计以及一些典型的PIV和LC结果，这些结果说明了射流冲击冷却现象。

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