Surface Temperature Measurement with Unknown Emissivity Using a Two-color Pyrometer Placed with a Reflector

被引：0
|
作者：
Che, Xunjian [1 ]
Xie, Zhi [1 ]
机构：
[1] Northeastern Univ, Dept Informat Sci & Technol, Shenyang, Liaoning, Peoples R China
来源：
2017 5TH INTERNATIONAL CONFERENCE ON MECHANICAL, AUTOMOTIVE AND MATERIALS ENGINEERING (CMAME) | 2017年
基金：
中国国家自然科学基金;
关键词：
temperature measurement; emissivity; two-color; pyrometer; reflector;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
An instrument for measuring surface temperature above 773 K has been developed. A gold-plated reflector is placed ahead of a two-color pyrometer. When the reflector is positioned facing the measured target, the received radiation is increased, and the difference between the effective emissivities of the two received wavelengths is shortened. As a result, the measurement error of the two-color pyrometer is reduced compared with the one without a reflector. The validation experiment has been conducted. The measurement uncertainty is evaluated, and the standard uncertainty is 4.0 K at 973 K.
引用
收藏
页码：214 / 217
页数：4
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