Optical properties of paraffin at temperature range from 40 to 80 °C

被引：22

作者：

Zhao, Da ^{[1
]}

Zhang, Guojun ^{[2
]}

Zhang, Xinyan ^{[1
]}

Li, Dong ^{[2
]}

机构：

[1] Heilongjiang Bayi Agr Univ, Coll Sci, Daqing 163319, Peoples R China

[2] Northeast Petr Univ, Sch Architecture & Civil Engn, Daqing 163318, Peoples R China

来源：

OPTIK | 2018年 / 157卷

基金：

美国国家科学基金会;

关键词：

Paraffin; Optical properties; Refractive index; Extinction coefficient; PHASE-CHANGE MATERIALS; THERMAL-ENERGY STORAGE; DOUBLE GLAZING UNIT; SYSTEM; PERFORMANCE; ROOF; CONSTANTS;

D O I：

10.1016/j.ijleo.2017.11.093

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The transmittance spectrum of paraffin at temperature range from 40 to 80 degrees C was experimentally measured by a TU-19 FTIR spectrometer, and the optical constants of paraffin in the wavelength 250-850 nm were obtained based on transmittance spectra modeling. The optical properties of paraffin were calculated. The results show that the spectral transmittance of liquid paraffin in the region of UV and visible bands is bigger compared with solid paraffin. The extinction coefficients of the solid paraffin are between 1 x 10(-5) and 3 x 10(-5), and the refractive index of the solid paraffin decreases sharply with the wavelength increasing. Compared with solid paraffin, the extinction coefficients of liquid paraffin are smaller and the refractive index of liquid paraffin is mainly 1-1.4. And with the temperature increasing, the optical constants of liquid paraffin are different. (C) 2017 Elsevier GmbH. All rights reserved.

引用

页码：184 / 189

页数：6

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