DISTRIBUTED HIGH TEMPERATURE SENSING USING FIBER BRAGG GRATINGS

被引：4

作者：

Kuncha, Syam Prasad ^{[1
]}

Chakravarthy, Balaji ^{[1
]}

Ramachandran, Harishankar ^{[1
]}

Srinivasan, Balaji ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Elect Engn, Madras 600036, Tamil Nadu, India

来源：

INTERNATIONAL JOURNAL OF OPTOMECHATRONICS | 2008年 / 2卷 / 01期

关键词：

Bayesian inference approach; Boilers; Distributed sensing; Fiber Bragg gratings; High temperature sensing;

D O I：

10.1080/15599610801985483

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：

In this paper we present a novel, practical approach for carrying out distributed high temperature sensing in boilers. We have demonstrated distributed high temperature sensing using fiber Bragg gratings encapsulated inside a rugged mechanical structure. The encapsulation is designed to not only protect the optical fiber from the harsh environment of the boiler, but also to scale the temperature down to a range over which the gratings are relatively stable. A key aspect of our work is the use of a Bayesian inference technique to retrieve the temperature outside the encapsulation within <1 degrees C accuracy based on the temperature measured by the fiber Bragg grating (FBG).

引用

页码：4 / 15

页数：12

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