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Heat Transfer Research
Fator do impacto: 1.199 FI de cinco anos: 1.155 SJR: 0.267 SNIP: 0.503 CiteScore™: 1.4

ISSN Imprimir: 1064-2285
ISSN On-line: 2162-6561

Volumes:
Volume 51, 2020 Volume 50, 2019 Volume 49, 2018 Volume 48, 2017 Volume 47, 2016 Volume 46, 2015 Volume 45, 2014 Volume 44, 2013 Volume 43, 2012 Volume 42, 2011 Volume 41, 2010 Volume 40, 2009 Volume 39, 2008 Volume 38, 2007 Volume 37, 2006 Volume 36, 2005 Volume 35, 2004 Volume 34, 2003 Volume 33, 2002 Volume 32, 2001 Volume 31, 2000 Volume 30, 1999 Volume 29, 1998 Volume 28, 1997

Heat Transfer Research

DOI: 10.1615/HeatTransRes.2019029954
pages 1721-1736

NUMERICAL AND EXPERIMENTAL STUDY OF TRANSIENT THERMAL BEHAVIOR OF ELECTRONIC INFRARED RADIATION CONTROL MODULE

Kaiqiang Hou
National Engineering Research Center of Electromagnetic Radiation Control Materials, University of Electronic Science and Technology of China, Chengdu 610054, China
Xiaolong Weng
National Engineering Research Center of Electromagnetic Radiation Control Materials, University of Electronic Science and Technology of China, Chengdu 610054, China
Wei Luo
National Engineering Research Center of Electromagnetic Radiation Control Materials, University of Electronic Science and Technology of China, Chengdu 610054, China
Le Yuan
Key Laboratory of Fluid and Power Machinery of Ministry of Education, School of Materials Science and Engineering, Xihua University, Chengdu 610039, China
Wei Duan
National Engineering Research Center of Electromagnetic Radiation Control Materials, University of Electronic Science and Technology of China, Chengdu 610054, China
Xueyu Wu
National Engineering Research Center of Electromagnetic Radiation Control Materials, University of Electronic Science and Technology of China, Chengdu 610054, China

RESUMO

This paper proposes an electronic infrared radiation control module, which mainly includes a temperature-sensing panel, thermoelectric cooler, and a water-cooled heat pipe heat sink. By adjusting the current of the thermoelectric cooler, the temperature and infrared radiation of temperature-sensing panel could be controlled. A three-dimensional numerical model that couples thermoelectric effect, heat transfer, and fluid flow was set up to predict the transient thermal behavior of the module and was verified through the experiment. Effects of temperature and convective heat transfer coefficient of the ambient medium and current on the module performance were investigated. The results show that the module has good temperature change performance at a higher current of 0-1 A and a lower convection heat transfer coefficient. The low ambient temperature is more conducive to temperature dropping of the module, while the high ambient temperature is more helpful for module's temperature rising. In addition, the temperature and infrared radiation intensity uniformity of the panel were also studied. It is observed that the module presented the well temperature and infrared radiation uniformity over the temperature control progress. Finally, the experiment of changing the infrared radiation of the module was carried out under different backgrounds. The module can achieve a good integration with the background and control infrared radiation as well, which can be well applied to the field of the control of infrared radiation such as infrared camouflage.

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