JP5223681B2 - 流動体の物理量測定方法及び制御方法 - Google Patents
流動体の物理量測定方法及び制御方法 Download PDFInfo
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- JP5223681B2 JP5223681B2 JP2008552087A JP2008552087A JP5223681B2 JP 5223681 B2 JP5223681 B2 JP 5223681B2 JP 2008552087 A JP2008552087 A JP 2008552087A JP 2008552087 A JP2008552087 A JP 2008552087A JP 5223681 B2 JP5223681 B2 JP 5223681B2
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- optical fiber
- fluid
- temperature distribution
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- 239000012530 fluid Substances 0.000 title claims description 82
- 238000000034 method Methods 0.000 title claims description 32
- 239000013307 optical fiber Substances 0.000 claims description 138
- 238000005259 measurement Methods 0.000 claims description 59
- 239000000523 sample Substances 0.000 claims description 25
- 230000008859 change Effects 0.000 claims description 11
- 238000000691 measurement method Methods 0.000 claims description 10
- 238000005070 sampling Methods 0.000 claims description 9
- 238000001228 spectrum Methods 0.000 claims description 5
- 230000002123 temporal effect Effects 0.000 claims description 5
- 238000013459 approach Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims 1
- 238000001816 cooling Methods 0.000 description 14
- 238000010438 heat treatment Methods 0.000 description 13
- 230000003287 optical effect Effects 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 7
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- 238000004458 analytical method Methods 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/02—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
- G01D5/35338—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using other arrangements than interferometer arrangements
- G01D5/35354—Sensor working in reflection
- G01D5/35358—Sensor working in reflection using backscattering to detect the measured quantity
- G01D5/35364—Sensor working in reflection using backscattering to detect the measured quantity using inelastic backscattering to detect the measured quantity, e.g. using Brillouin or Raman backscattering
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
- G01K11/322—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres using Brillouin scattering
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Optical Transform (AREA)
- Measuring Volume Flow (AREA)
- Light Guides In General And Applications Therefor (AREA)
Description
Claims (4)
- 管路内を流れる流動体の流速をBOCDA方式の光ファイバセンサを用いて測定するための測定方法であって、
少なくとも一部が前記流動体の流れ方向に沿って前記管路内に配置された光ファイバを用意し、
前記光ファイバの一端からポンプ光を入射させる一方、前記光ファイバの他端からプローブ光を入射させ、
前記光ファイバの両端から対向入射されるポンプ光及びプローブ光の周波数を変調することにより、前記光ファイバの長手方向における所望位置で発生するブリルアンゲインスペクトルを測定し、そして、
前記光ファイバのうち前記管路内に位置する部分の、該光ファイバの長手方向に沿った温度分布測定結果と、該温度分布の時間的変化に基づいて、前記管路内を流れる流動体の流速を決定する物理量測定方法。 - 管路内を流れる流動体の流速をBOCDA方式の光ファイバセンサを用いて測定し、そして、該流動体の流速を所定値に制御するための制御方法であって、
前記管路に対して設置された、前記流動体の流速を調整するための流量調整手段を用意するとともに、少なくとも一部が前記流動体の流れ方向に沿って前記管路内に配置された光ファイバを用意し、
前記光ファイバの一端からポンプ光を入射させる一方、前記光ファイバの他端からプローブ光を入射させ、
前記光ファイバの両端から対向入射されるポンプ光及びプローブ光の周波数を変調することにより、前記光ファイバの長手方向における所望位置で発生するブリルアンゲインスペクトルを測定し、そして、
前記管路内における流動体の流速が所定値に近づくよう、前記光ファイバのうち前記管路内に位置する部分の、該光ファイバの長手方向に沿った温度分布測定結果と、該温度分布の時間的変化に基づいて、前記流量調整手段を制御する流動体の物理量制御方法。 - 前記光ファイバの長手方向に沿った温度分布測定のサンプリング間隔及び空間分解能、温度分布測定の範囲、温度分布測定の実行時間は、被測定物である前記流動体の種類に合わせて前記ポンプ光及びプローブ光の周波数変調パターンが調整されることにより設定されることを特徴とする請求項1記載の流動体の物理量測定方法。
- 前記光ファイバの長手方向に沿った温度分布測定のサンプリング間隔及び空間分解能、温度分布測定の範囲、温度分布測定の実行時間は、被測定物である前記流動体の種類に合わせて前記ポンプ光及びプローブ光の周波数変調パターンが調整されることにより設定されることを特徴とする請求項2記載の流動体の物理量制御方法。
Priority Applications (1)
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JP2008552087A JP5223681B2 (ja) | 2006-12-28 | 2007-12-19 | 流動体の物理量測定方法及び制御方法 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006354905 | 2006-12-28 | ||
JP2006354905 | 2006-12-28 | ||
PCT/JP2007/074453 WO2008081720A1 (ja) | 2006-12-28 | 2007-12-19 | 流動体の物理量測定方法及び制御方法 |
JP2008552087A JP5223681B2 (ja) | 2006-12-28 | 2007-12-19 | 流動体の物理量測定方法及び制御方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2008081720A1 JPWO2008081720A1 (ja) | 2010-04-30 |
JP5223681B2 true JP5223681B2 (ja) | 2013-06-26 |
Family
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JP2008552087A Expired - Fee Related JP5223681B2 (ja) | 2006-12-28 | 2007-12-19 | 流動体の物理量測定方法及び制御方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8287184B2 (ja) |
EP (1) | EP2098842A1 (ja) |
JP (1) | JP5223681B2 (ja) |
CN (1) | CN101573599B (ja) |
WO (1) | WO2008081720A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102648709B1 (ko) * | 2021-02-25 | 2024-03-15 | 김상욱 | 가스 배관 모니터링 방법 및 시스템 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4775173B2 (ja) * | 2006-08-24 | 2011-09-21 | 住友電気工業株式会社 | 光ファイバ温度センサ |
US7854547B2 (en) * | 2007-08-07 | 2010-12-21 | International Business Machines Corporation | Bidirectional and expandable heat flow measurement tool for units of air cooled electrical equipment |
US8197124B2 (en) * | 2009-02-05 | 2012-06-12 | International Business Machines Corporation | Heat flow measurement tool for a rack mounted assembly of electronic equipment |
GB2519001B (en) | 2009-05-27 | 2015-09-02 | Silixa Ltd | Method and apparatus for optical sensing |
JP5435122B2 (ja) * | 2010-02-24 | 2014-03-05 | 富士通株式会社 | 環境測定システム及び環境測定方法 |
GB2495518B (en) * | 2011-10-12 | 2016-08-31 | Oxsensis Ltd | Optical sensor for sensing temperature of an adjacent gas |
US9791595B2 (en) * | 2014-03-10 | 2017-10-17 | Halliburton Energy Services Inc. | Identification of heat capacity properties of formation fluid |
GB2527847A (en) * | 2014-07-04 | 2016-01-06 | Compactgtl Ltd | Catalytic reactors |
KR101697859B1 (ko) * | 2015-04-20 | 2017-01-18 | 한양대학교 산학협력단 | 온도 측정 시스템 |
DE102017006909A1 (de) * | 2017-07-20 | 2019-01-24 | Diehl Metering Gmbh | Messmodul zur Ermittlung einer Fluidgröße |
US10738602B2 (en) * | 2017-09-20 | 2020-08-11 | Saudi Arabian Oil Company | In-situ thermal response fluid characterization |
US20210372957A1 (en) * | 2020-05-28 | 2021-12-02 | Ohio State Innovation Foundation | Optical fiber-based gamma calorimeter (ofbgc) |
CN112833950B (zh) * | 2021-01-07 | 2023-05-23 | 中国舰船研究设计中心 | 基于光纤传感的蒸汽管道内部复杂流场分布式测量*** |
CN113009179B (zh) * | 2021-03-10 | 2023-07-25 | 辽宁省计量科学研究院 | 一种光纤分布式流速测量方法及装置 |
CN114019496B (zh) * | 2022-01-05 | 2022-03-08 | 北京邮电大学 | 一种管道内液体流速非接触测量方法及装置 |
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JP2000180265A (ja) * | 1998-12-14 | 2000-06-30 | Anritsu Corp | ブリルアンゲインスペクトル測定方法および装置 |
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2007
- 2007-12-19 JP JP2008552087A patent/JP5223681B2/ja not_active Expired - Fee Related
- 2007-12-19 US US12/521,100 patent/US8287184B2/en not_active Expired - Fee Related
- 2007-12-19 EP EP07850923A patent/EP2098842A1/en not_active Withdrawn
- 2007-12-19 WO PCT/JP2007/074453 patent/WO2008081720A1/ja active Application Filing
- 2007-12-19 CN CN2007800485903A patent/CN101573599B/zh not_active Expired - Fee Related
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JPH02134173A (ja) * | 1988-11-15 | 1990-05-23 | Fujikura Ltd | 消火システムにおける火災検知機構 |
JPH02171628A (ja) * | 1988-12-26 | 1990-07-03 | Toshiba Corp | 測定装置 |
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KR102648709B1 (ko) * | 2021-02-25 | 2024-03-15 | 김상욱 | 가스 배관 모니터링 방법 및 시스템 |
Also Published As
Publication number | Publication date |
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EP2098842A1 (en) | 2009-09-09 |
US20100027581A1 (en) | 2010-02-04 |
JPWO2008081720A1 (ja) | 2010-04-30 |
CN101573599A (zh) | 2009-11-04 |
WO2008081720A1 (ja) | 2008-07-10 |
CN101573599B (zh) | 2012-01-04 |
US8287184B2 (en) | 2012-10-16 |
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