Optical Sensor of Thermal Gas Flow Based on Fiber Bragg Grating

Optical Sensor of Thermal Gas Flow Based on Fiber Bragg Grating

This paper aims at solving the problem of explosion proof in measurement of thermal gas flow using electronic sensor by presenting a new type of flow sensor by optical fiber heating. A measuring unit based on fiber Bragg grating (FBG) for fluid temperature and a unit for heat dissipation are designe...

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Main Authors: Xu Jiang, Keda Wang, Junqing Li, Hui Zhan, Zhenan Song, Guohang Che, Guohui Lyu
Format: Article
Language:English
Published: MDPI AG 2017-02-01
Series:Sensors
Subjects:
fiber Bragg grating
heat flow sensor
constant power method
light absorbing coating
Online Access:http://www.mdpi.com/1424-8220/17/2/374
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spelling doaj-b9c03e85a5aa4bf2832b65e34855e6ae2020-11-24T21:12:48ZengMDPI AGSensors1424-82202017-02-0117237410.3390/s17020374s17020374Optical Sensor of Thermal Gas Flow Based on Fiber Bragg GratingXu Jiang0Keda Wang1Junqing Li2Hui Zhan3Zhenan Song4Guohang Che5Guohui Lyu6College of Information Science and Technology, Heilongjiang University, Harbin 150080, ChinaResearch Center for Fiber Optic Sensing Technology National Local Joint Engineering, Electronic Engineering College, Heilongjiang University, Harbin 150080, ChinaPhysics Department, Harbin Institute of Technology, Harbin 150001, ChinaResearch Center for Fiber Optic Sensing Technology National Local Joint Engineering, Electronic Engineering College, Heilongjiang University, Harbin 150080, ChinaResearch Center for Fiber Optic Sensing Technology National Local Joint Engineering, Electronic Engineering College, Heilongjiang University, Harbin 150080, ChinaResearch Center for Fiber Optic Sensing Technology National Local Joint Engineering, Electronic Engineering College, Heilongjiang University, Harbin 150080, ChinaResearch Center for Fiber Optic Sensing Technology National Local Joint Engineering, Electronic Engineering College, Heilongjiang University, Harbin 150080, ChinaThis paper aims at solving the problem of explosion proof in measurement of thermal gas flow using electronic sensor by presenting a new type of flow sensor by optical fiber heating. A measuring unit based on fiber Bragg grating (FBG) for fluid temperature and a unit for heat dissipation are designed to replace the traditional electronic sensors. The light in C band from the amplified spontaneous emission (ASE) light source is split, with one part used to heat the absorbing coating and the other part used in the signal processing unit. In the heating unit, an absorbing coating is introduced to replace the traditional resistance heating module to minimize the risk of explosion. The measurement results demonstrate a fine consistency between the flow and temperature difference in simulation. The method to enhance the measurement resolution of flow is also discussed.http://www.mdpi.com/1424-8220/17/2/374fiber Bragg gratingheat flow sensorconstant power methodlight absorbing coating
collection DOAJ
language English
format Article
sources DOAJ
author Xu Jiang
Keda Wang
Junqing Li
Hui Zhan
Zhenan Song
Guohang Che
Guohui Lyu
spellingShingle Xu Jiang
Keda Wang
Junqing Li
Hui Zhan
Zhenan Song
Guohang Che
Guohui Lyu
Optical Sensor of Thermal Gas Flow Based on Fiber Bragg Grating
Sensors
fiber Bragg grating
heat flow sensor
constant power method
light absorbing coating
author_facet Xu Jiang
Keda Wang
Junqing Li
Hui Zhan
Zhenan Song
Guohang Che
Guohui Lyu
author_sort Xu Jiang
title Optical Sensor of Thermal Gas Flow Based on Fiber Bragg Grating
title_short Optical Sensor of Thermal Gas Flow Based on Fiber Bragg Grating
title_full Optical Sensor of Thermal Gas Flow Based on Fiber Bragg Grating
title_fullStr Optical Sensor of Thermal Gas Flow Based on Fiber Bragg Grating
title_full_unstemmed Optical Sensor of Thermal Gas Flow Based on Fiber Bragg Grating
title_sort optical sensor of thermal gas flow based on fiber bragg grating
publisher MDPI AG
series Sensors
issn 1424-8220
publishDate 2017-02-01
description This paper aims at solving the problem of explosion proof in measurement of thermal gas flow using electronic sensor by presenting a new type of flow sensor by optical fiber heating. A measuring unit based on fiber Bragg grating (FBG) for fluid temperature and a unit for heat dissipation are designed to replace the traditional electronic sensors. The light in C band from the amplified spontaneous emission (ASE) light source is split, with one part used to heat the absorbing coating and the other part used in the signal processing unit. In the heating unit, an absorbing coating is introduced to replace the traditional resistance heating module to minimize the risk of explosion. The measurement results demonstrate a fine consistency between the flow and temperature difference in simulation. The method to enhance the measurement resolution of flow is also discussed.
topic fiber Bragg grating
heat flow sensor
constant power method
light absorbing coating
url http://www.mdpi.com/1424-8220/17/2/374
work_keys_str_mv AT xujiang opticalsensorofthermalgasflowbasedonfiberbragggrating
AT kedawang opticalsensorofthermalgasflowbasedonfiberbragggrating
AT junqingli opticalsensorofthermalgasflowbasedonfiberbragggrating
AT huizhan opticalsensorofthermalgasflowbasedonfiberbragggrating
AT zhenansong opticalsensorofthermalgasflowbasedonfiberbragggrating
AT guohangche opticalsensorofthermalgasflowbasedonfiberbragggrating
AT guohuilyu opticalsensorofthermalgasflowbasedonfiberbragggrating
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