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WO2018138649A3 - Dispositivo e método para medição da distribuição espacial da concentração de compostos e das suas misturas num fuido e/ou do nível num fluido - Google Patents

Dispositivo e método para medição da distribuição espacial da concentração de compostos e das suas misturas num fuido e/ou do nível num fluido Download PDF

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Publication number
WO2018138649A3
WO2018138649A3 PCT/IB2018/050428 IB2018050428W WO2018138649A3 WO 2018138649 A3 WO2018138649 A3 WO 2018138649A3 IB 2018050428 W IB2018050428 W IB 2018050428W WO 2018138649 A3 WO2018138649 A3 WO 2018138649A3
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WO
WIPO (PCT)
Prior art keywords
fluid
concentration
measuring
determining
spatial distribution
Prior art date
Application number
PCT/IB2018/050428
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English (en)
French (fr)
Other versions
WO2018138649A4 (pt
WO2018138649A2 (pt
Inventor
Mário Nuno DE MATOS SEQUEIRA BERBERAN E SANTOS
Liliana MARQUES MARTELO
Original Assignee
Instituto Superior Técnico
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Instituto Superior Técnico filed Critical Instituto Superior Técnico
Priority to US16/481,069 priority Critical patent/US11525780B2/en
Priority to EP18710516.8A priority patent/EP3623799A2/en
Priority to CN201880008646.0A priority patent/CN110234983A/zh
Publication of WO2018138649A2 publication Critical patent/WO2018138649A2/pt
Publication of WO2018138649A3 publication Critical patent/WO2018138649A3/pt
Publication of WO2018138649A4 publication Critical patent/WO2018138649A4/pt

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/6408—Fluorescence; Phosphorescence with measurement of decay time, time resolved fluorescence
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D37/00—Arrangements in connection with fuel supply for power plant
    • B64D37/005—Accessories not provided for in the groups B64D37/02 - B64D37/28
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D37/00—Arrangements in connection with fuel supply for power plant
    • B64D37/32—Safety measures not otherwise provided for, e.g. preventing explosive conditions
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves
    • G01F23/292—Light, e.g. infrared or ultraviolet
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/6402—Atomic fluorescence; Laser induced fluorescence
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/645—Specially adapted constructive features of fluorimeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/26—Oils; Viscous liquids; Paints; Inks
    • G01N33/28—Oils, i.e. hydrocarbon liquids
    • G01N33/2835—Specific substances contained in the oils or fuels
    • G01N33/2841—Gas in oils, e.g. hydrogen in insulating oils
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/02—Mechanical
    • G01N2201/021—Special mounting in general
    • G01N2201/0212—Liquid borne; swimming apparatus
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/02—Mechanical
    • G01N2201/021—Special mounting in general
    • G01N2201/0218—Submersible, submarine
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/061—Sources
    • G01N2201/06113—Coherent sources; lasers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/062—LED's
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/22—Fuels; Explosives

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Thermal Sciences (AREA)
  • Optics & Photonics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)

Abstract

A invenção refere-se a um método para medição da concentração de uma substância ou mistura de substâncias e/ou determinação do nível num fluido com fluorescência intrínseca, preferencialmente sistemas de combustível. A invenção refere-se ainda ao dispositivo ótico adequado para implementar o método, que compreende uma unidade onde se gera luz de excitação da amostra; uma unidade de deteção do sinal emitido pela amostra e uma unidade de processamento de sinal. O dispositivo e método por ele implementado permitem ainda determinar a distribuição espacial da substância ou mistura de substâncias líquidas e/ou o nível do fluido num reservatório. Uma das principais aplicações é a medição da concentração de oxigénio em tanques de combustível de aeronaves, baseada na medição da fluorescência intrínseca do combustível.
PCT/IB2018/050428 2017-01-26 2018-01-24 Dispositivo e método para medição da distribuição espacial da concentração de compostos e das suas misturas num fuido e/ou do nível num fluido WO2018138649A2 (pt)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US16/481,069 US11525780B2 (en) 2017-01-26 2018-01-24 Device and method for measuring the spatial distribution of the concentration of compounds and mixtures thereof in a fluid and/or the level in a fluid
EP18710516.8A EP3623799A2 (en) 2017-01-26 2018-01-24 Device and method for measuring the spatial distribution of the concentration of compounds and their mixtures in a fluid and/or for determining the fluid level
CN201880008646.0A CN110234983A (zh) 2017-01-26 2018-01-24 测量流体内化合物及其混合物浓度的空间分布和/或流体内料位的装置与方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PT109877A PT109877A (pt) 2017-01-26 2017-01-26 Método ótico para a medição da concentração de oxigénio em sistemas de combustível.
PT109877 2017-01-26

Publications (3)

Publication Number Publication Date
WO2018138649A2 WO2018138649A2 (pt) 2018-08-02
WO2018138649A3 true WO2018138649A3 (pt) 2018-10-25
WO2018138649A4 WO2018138649A4 (pt) 2018-12-06

Family

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PCT/IB2018/050428 WO2018138649A2 (pt) 2017-01-26 2018-01-24 Dispositivo e método para medição da distribuição espacial da concentração de compostos e das suas misturas num fuido e/ou do nível num fluido

Country Status (5)

Country Link
US (1) US11525780B2 (pt)
EP (1) EP3623799A2 (pt)
CN (1) CN110234983A (pt)
PT (1) PT109877A (pt)
WO (1) WO2018138649A2 (pt)

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PT109877A (pt) * 2017-01-26 2018-07-26 Inst Superior Tecnico Método ótico para a medição da concentração de oxigénio em sistemas de combustível.
US11193916B2 (en) * 2019-05-02 2021-12-07 SciLogica Corp. Calibration of a gas sensor
CN111103029B (zh) * 2019-12-26 2021-04-30 河南理工大学 一种用于煤仓煤位光纤光栅智能监测装置及监测方法
US11874221B2 (en) * 2021-01-26 2024-01-16 Yokogawa Electric Corporation Measurement of dissolved oxygen using optical radiation induced luminescence
CN115355819A (zh) * 2022-08-16 2022-11-18 深圳先进电子材料国际创新研究院 一种定性比较不同环氧树脂固化物的自由体积大小的方法

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Also Published As

Publication number Publication date
EP3623799A2 (en) 2020-03-18
US20200003687A1 (en) 2020-01-02
US11525780B2 (en) 2022-12-13
PT109877A (pt) 2018-07-26
WO2018138649A4 (pt) 2018-12-06
WO2018138649A2 (pt) 2018-08-02
CN110234983A (zh) 2019-09-13

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