PT109877A - Método ótico para a medição da concentração de oxigénio em sistemas de combustível. - Google Patents

Método ótico para a medição da concentração de oxigénio em sistemas de combustível.

Info

Publication number
PT109877A
PT109877A PT109877A PT10987717A PT109877A PT 109877 A PT109877 A PT 109877A PT 109877 A PT109877 A PT 109877A PT 10987717 A PT10987717 A PT 10987717A PT 109877 A PT109877 A PT 109877A
Authority
PT
Portugal
Prior art keywords
oxygen concentration
optical method
fuel systems
measuring oxygen
fuel
Prior art date
Application number
PT109877A
Other languages
English (en)
Inventor
Nuno De Matos Sequeira Berberan E Santos Mário
Marques Martelo Liliana
Original Assignee
Inst Superior Tecnico
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 Inst Superior Tecnico filed Critical Inst Superior Tecnico
Priority to PT109877A priority Critical patent/PT109877A/pt
Priority to CN201880008646.0A priority patent/CN110234983A/zh
Priority to EP18710516.8A priority patent/EP3623799A2/en
Priority to US16/481,069 priority patent/US11525780B2/en
Priority to PCT/IB2018/050428 priority patent/WO2018138649A2/pt
Publication of PT109877A publication Critical patent/PT109877A/pt

Links

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

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (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 PRESENTE INVENÇÃO REFERE-SE A UM MÉTODO ÓTICO PARA A MEDIÇÃO E A MONITORIZAÇÃO DA CONCENTRAÇÃO DE OXIGÉNIO EM SISTEMAS DE COMBUSTÍVEL, SENDO UMA DAS APLICAÇÕES A MEDIÇÃO DA CONCENTRAÇÃO DE OXIGÉNIO EM TANQUES DE COMBUSTÍVEL DE AERONAVES. A FLUORESCÊNCIA INTRÍNSECA (INTENSIDADE E TEMPO DE VIDA) DO COMBUSTÍVEL DE JATO (JET FUEL) É FORTEMENTE AFETADA PELA PRESENÇA DE OXIGÉNIO, O QUE PERMITE USAR ESTA PROPRIEDADE PARA DETETAR E MONITORAR O OXIGÉNIO EM SISTEMAS DE COMBUSTÍVEL OU NOS TANQUES DE COMBUSTÍVEL EM AERONAVES. A DETERMINAÇÃO DA CONCENTRAÇÃO DE OXIGÉNIO BASEIA-SE NA MEDIÇÃO DA FLUORESCÊNCIA INTRÍNSECA DO COMBUSTÍVEL DE JATO.
PT109877A 2017-01-26 2017-01-26 Método ótico para a medição da concentração de oxigénio em sistemas de combustível. PT109877A (pt)

Priority Applications (5)

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.
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
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
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
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

Applications Claiming Priority (1)

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.

Publications (1)

Publication Number Publication Date
PT109877A true PT109877A (pt) 2018-07-26

Family

ID=61622627

Family Applications (1)

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

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)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

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Also Published As

Publication number Publication date
WO2018138649A4 (pt) 2018-12-06
EP3623799A2 (en) 2020-03-18
WO2018138649A3 (pt) 2018-10-25
US20200003687A1 (en) 2020-01-02
WO2018138649A2 (pt) 2018-08-02
CN110234983A (zh) 2019-09-13
US11525780B2 (en) 2022-12-13

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Effective date: 20170614