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
Links
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title abstract 6
- 229910052760 oxygen Inorganic materials 0.000 title abstract 6
- 239000001301 oxygen Substances 0.000 title abstract 6
- 239000000446 fuel Substances 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 2
- 230000003287 optical effect Effects 0.000 title abstract 2
- 238000005259 measurement Methods 0.000 abstract 2
- 239000002828 fuel tank Substances 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 abstract 1
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.
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)
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 |
Family Cites Families (34)
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US5043286A (en) * | 1985-07-03 | 1991-08-27 | Abbott Laboratories | Method and sensor for measuring oxygen concentration |
DK0537270T3 (da) * | 1990-07-02 | 1999-06-07 | Univ California | Påvisning af analytter ved overføring af fluorescensenergi |
US5198871A (en) * | 1991-06-18 | 1993-03-30 | Southwest Research Institute | Laser-induced-fluorescence inspection of jet fuels |
US5919710A (en) * | 1996-07-18 | 1999-07-06 | The United States Of America As Represented By The Secretary Of The Air Force | Optical method for quantitating dissolved oxygen in fuel |
EP1384063A1 (en) * | 2001-05-03 | 2004-01-28 | Delta Dansk Elektronik, Lys & Akustik | Apparatus and sensing devices for measuring fluorescence lifetimes of fluorescence sensors |
US6634598B2 (en) | 2001-11-28 | 2003-10-21 | Kenneth Susko | On-board fuel inerting system |
EP1633627A1 (de) * | 2003-06-16 | 2006-03-15 | Siemens Aktiengesellschaft | Vorrichtung und verfahren zur berwachung der sauerstoffkonzentration in einem flugzeugtank |
US7352464B2 (en) * | 2004-01-05 | 2008-04-01 | Southwest Sciences Incorporated | Oxygen sensor for aircraft fuel inerting systems |
WO2005119216A1 (en) * | 2004-05-27 | 2005-12-15 | Envision Instruments, Llc | Systems and methods for in situ spectroscopic measurements |
US9442070B1 (en) * | 2004-10-05 | 2016-09-13 | Photon Systems, Inc. | Native fluorescence detection methods, devices, and systems for organic compounds |
US20060171845A1 (en) | 2005-01-31 | 2006-08-03 | Dakota Technologies, Inc. | Sensors for measuring analytes |
US7251027B2 (en) * | 2005-05-17 | 2007-07-31 | The Boeing Company | Real time in situ monitoring of a solution |
EP1742038A1 (en) * | 2005-07-06 | 2007-01-10 | Academisch Medisch Centrum bij de Universiteit van Amsterdam | Device and method for determining the concentration of a substance |
EP1955054A1 (en) * | 2005-11-10 | 2008-08-13 | Tautheta Instruments LLC | Apparatus and method for system identification |
US7385692B1 (en) * | 2006-04-28 | 2008-06-10 | The United Of America As Represented By The Administrator Of Nasa | Method and system for fiber optic determination of gas concentrations in liquid receptacles |
US20070259451A1 (en) * | 2006-05-03 | 2007-11-08 | Heanue John F | Fluorescence measurement method and apparatus |
WO2007143047A1 (en) * | 2006-06-01 | 2007-12-13 | Ecolab Inc. | Uv fluorometric sensor and method for using the same |
US8081313B2 (en) * | 2007-05-24 | 2011-12-20 | Airbus Operations Limited | Method and apparatus for monitoring gas concentration in a fluid |
US8781757B2 (en) * | 2007-10-12 | 2014-07-15 | Real-Time Analyzers, Inc. | Method and apparatus for determining properties of fuels |
US7839492B2 (en) * | 2008-06-12 | 2010-11-23 | Ut-Battelle, Llc | Laser-induced fluorescence fiber optic probe measurement of oil dilution by fuel |
GB0813715D0 (en) * | 2008-07-28 | 2008-09-03 | Airbus Uk Ltd | A monitor and a method for measuring oxygen concentration |
WO2011119343A1 (en) * | 2010-03-25 | 2011-09-29 | Mocon, Inc | Luminescence lifetime based analyte sensing instruments and calibration technique |
US20140229010A1 (en) * | 2010-04-09 | 2014-08-14 | Real-Time Analysers, Inc. | Method of monitoring and controlling activity involving a fuel composition |
US8455845B2 (en) * | 2010-08-23 | 2013-06-04 | Saudi Arabian Oil Company | Method for detecting drag reducer additives in gasoline |
US9298193B2 (en) * | 2010-10-22 | 2016-03-29 | Kenneth Susko | Optical probe containing oxygen, temperature, and pressure sensors and monitoring and control systems containing the same |
WO2013078452A1 (en) * | 2011-11-22 | 2013-05-30 | University Of Maryland, Baltimore | Plasmonic Substrates for Metal-Enhanced Fluorescence Based Sensing, Imaging and Assays |
US9709499B1 (en) * | 2013-09-12 | 2017-07-18 | Innovative Scientific Solutions, Inc. | Measurement of oxygen |
US9869664B2 (en) * | 2013-12-18 | 2018-01-16 | Saudi Arabian Oil Company | Method for non-intrusive measurement of low water content in oil |
US10149640B2 (en) * | 2014-06-16 | 2018-12-11 | The Regents Of The University Of California | Measuring oxygen levels in an implant, and implants having incorporated oxygen sensing |
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US20160334353A1 (en) * | 2015-05-15 | 2016-11-17 | General Electric Company | Sensor for in situ selective detection of components in a fluid |
US10844794B2 (en) * | 2016-12-21 | 2020-11-24 | Delavan Inc. | Fuel quality monitoring systems |
US10532822B2 (en) * | 2017-01-25 | 2020-01-14 | The Boeing Company | Gas-flammability sensing systems and methods |
PT109877A (pt) * | 2017-01-26 | 2018-07-26 | Inst Superior Tecnico | Método ótico para a medição da concentração de oxigénio em sistemas de combustível. |
-
2017
- 2017-01-26 PT PT109877A patent/PT109877A/pt unknown
-
2018
- 2018-01-24 US US16/481,069 patent/US11525780B2/en active Active
- 2018-01-24 CN CN201880008646.0A patent/CN110234983A/zh active Pending
- 2018-01-24 EP EP18710516.8A patent/EP3623799A2/en active Pending
- 2018-01-24 WO PCT/IB2018/050428 patent/WO2018138649A2/pt unknown
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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Legal Events
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BB1A | Laying open of patent application |
Effective date: 20170614 |