Numerical simulation of white double-layer coating with different submicron particles on the spectral reflectance

被引：14

作者：

Chai, Jiale ^{[1
,2
]}

Cheng, Qiang ^{[2
]}

Si, Mengting ^{[2
]}

Su, Yang ^{[2
]}

Zhou, Yifan ^{[2
]}

Song, Jinlin ^{[2
]}

机构：

[1] City Univ Hong Kong, Dept Architecture & Civil Engn, Kowloon, Hong Kong, Peoples R China

[2] Huazhong Univ Sci & Technol, State Key Lab Coal Combust, Wuhan, Hubei, Peoples R China

来源：

JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER | 2017年 / 189卷

基金：

中国国家自然科学基金;

关键词：

Double-layer coating; Submicron particles; Spectral reflectance; GRADED-INDEX MEDIUM; DIFFUSE-REFLECTANCE; PIGMENTED COATINGS; OPTICAL-PROPERTIES; DRESOR METHOD; BRDF SURFACE; SCATTERING;

D O I：

10.1016/j.jqsrt.2016.11.020

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

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.

引用

页码：176 / 180

页数：5

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