Heat-flux measurement using fibre-Bragg-grating Fabry-Perot sensors

被引：3
|
作者：
MacPherson, WN [1 ]
Kilpatrick, JM
Barton, JS
Jones, JDC
Zhang, L
Bennion, I
机构：
[1] Heriot Watt Univ, Dept Phys, Edinburgh EH14 4AS, Midlothian, Scotland
[2] Aston Univ, Dept Elect Engn, Birmingham B4 7ET, W Midlands, England
[3] Aston Univ, Div Comp Sci, Birmingham B4 7ET, W Midlands, England
来源：
MEASUREMENT SCIENCE AND TECHNOLOGY | 1999年 / 10卷 / 12期
关键词：
heat-flux sensor; Fabry-Perot interferometer; Bragg grating; optical fibre; turbomachinery;
D O I：
10.1088/0957-0233/10/12/326
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We describe a fibre Fabry-Perot heat-transfer sensor that is capable of performing the high-spatial-resolution measurements required in turbomachinery research. The all-fibre cavity operates as a calorimeter embedded perpendicular to the test surface. The cavity incorporates a Bragg grating as the internal reflector, producing a mechanically robust sensor suitable for aerodynamic measurements. We present experimental results from an impinging flow rig, comparing the optical sensor with a thin-film resistance gauge subjected to a step increase in heat flux of 30 kW m(-2).
引用
收藏
页码：1300 / 1304
页数：5
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