FBG-Based Sensor Applied to Flow Rate Measurements

被引：21

作者：

Allil, Alexandre Silva ^{[1
]}

Dutra, Fabio da Silva ^{[2
]}

Dante, Alex ^{[1
]}

Carvalho, Cesar C. ^{[1
]}

da Silva Barros Allil, Regina Celia ^{[1
]}

Werneck, Marcelo Martins ^{[1
]}

机构：

[1] Univ Fed Rio de Janeiro, Elect Engn Program, BR-21941598 Rio De Janeiro, Brazil

[2] Ctr Pesquisas Leopoldo Amer Miguez de Mello Petro, BR-21941915 Rio De Janeiro, Brazil

来源：

IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 2021年 / 70卷

关键词：

Cross correlation (CC); fiber Bragg grating (FBG); flare systems; flow rate velocity; optical fiber sensor;

D O I：

10.1109/TIM.2020.3014751

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：

A flare system in oil platform is a combustion stack used to burn off excess gases that cannot be processed and gases that have to be eliminated in emergency shutdown to avoid the risk of explosion. Gas flow measurement in flares is still considered challenging because the measurement has to attend many specific demands, quite different from any other flow measurement application. For these types of measurements, many sensor technologies are available; however, they are all very expensive, and only a few ones can attend all demands. The objective of this article is to present a flow rate sensor based on fiber Bragg grating (FBG), crass correlation, and heatwave travel time techniques. The system was developed with inexpensive components and is little intrusive, capable of attaining the rangeability of the flare demand and independent of gas composition, pressure, and temperature.

引用

页数：8

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