Journal
JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER
Volume 189, Issue -, Pages 176-180Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jqsrt.2016.11.020
Keywords
Double-layer coating; Submicron particles; Spectral reflectance
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Funding
- National Natural Science Foundation of China [51676077]
- Fundamental Research Funds for the Central Universities (HUST) [2016YXZD009]
- Foundation of State Key Laboratory of Coal Combustion [FSKLCCB1601]
- National Key Basic Research Program of China [2015CB251505]
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The spectral selective coating is becoming more and more popular against solar irradiation not only in keeping the coated objects stay cool but also retain the appearance of the objects by reducing the glare of reflected sunlight. In this work a numerical study is investigated to design the double-layer coating with different submicron particles to achieve better performance both in thermal and aesthetic aspects. By comparison, the performance of double-layer coating with TiO2 and ZnO particles is better than that with single particles. What's more, the particle diameter, volume fraction of particle as well as substrate condition is also investigated. The results show that an optimized double-layer coating with particles should be the one with an appropriate particle diameter, volume fraction and the black substrate. (C) 2016 Elsevier Ltd. All rights reserved.
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