用红外热成像技术测量传热系数

2015 9th International Symposium on Advanced Topics in Electrical Engineering (ATEE) Pub Date : 2015-05-07 DOI:10.1109/ATEE.2015.7133875

Ș. Simionescu, Umran Duzel, C. Esposito, Z. Ilich, C. Balan

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引用次数: 4

摘要

流体射流冲击时表面温度的测量和建模在许多工程应用中具有重要意义。本研究的目的是建立一个实验程序，以确定在垂直表面附近的自然和强迫流动的对流换热系数。红外摄像机FLIR Therma-Cam SC 3000用于表面温度评估，同时使用一组热电偶进行温度测量。垂直电加热磁盘将是本研究的配置。将一个垂直于表面的冷空气射流定向，改变相应的雷诺数和与壁面的距离，以研究它们对测量的传热系数的影响。

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Heat transfer coefficient measurements using infrared thermography technique

The measurement and modeling of surfaces temperature at the impact with fluid jet is of great importance for many engineering applications. The goal of the present study is to develop an experimental procedure to determine the convection heat transfer coefficients in natural and forced flows in the vicinity of a vertical surface. An infrared camera FLIR Therma-Cam SC 3000 is used for the surface temperature evaluation, in parallel with the temperature measurements using a set of thermocouples. A vertical electrically heated disk will be the configuration for this study. A cold air jet is directed perpendicular to the surface, the corresponding Reynolds number and the distance from the wall being changed in order to investigate their influence on the measured heat transfer coefficient.

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2015 9th International Symposium on Advanced Topics in Electrical Engineering (ATEE)

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