Infrared thermography: An optical method in heat transfer and fluid flow visualisation

被引：63

作者：

Astarita, T ^{[1
]}

Cardone, G ^{[1
]}

Carlomagno, GM ^{[1
]}

机构：

[1] Univ Naples Federico 2, Dipartimento Termofluidodinam Appl & Condizioname, I-80125 Naples, Italy

来源：

OPTICS AND LASERS IN ENGINEERING | 2006年 / 44卷 / 3-4期

关键词：

heat-flux sensors; convective heat transfer; surface flow visualisation; infrared thermography;

D O I：

10.1016/j.optlaseng.2005.04.006

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

This paper deals with the evolution of infrared thermography into a powerful optical method to measure wall convective heat fluxes as well as to investigate the surface flow field behaviour over complex geometries. The most common heat-flux sensors, which are normally used for the measurements of convective heat transfer coefficients, are critically reviewed. Since the infrared scanning radiometer leads to the detection of numerous surface temperatures, its use allows taking into account the effects due to tangential conduction along the sensor; different operating methods together with their implementations are discussed. Finally, the capability of infrared thermography to deal with three complex fluid flow configurations is analysed. (c) 2005 Elsevier Ltd. All rights reserved.

引用

页码：261 / 281

页数：21

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