FR3101417B1 - Procédé et dispositif de mesure optique de déformées ou de températures en surface d’aubes de soufflante de turbomachine aéronautique - Google Patents

Procédé et dispositif de mesure optique de déformées ou de températures en surface d’aubes de soufflante de turbomachine aéronautique Download PDF

Info

Publication number
FR3101417B1
FR3101417B1 FR1910781A FR1910781A FR3101417B1 FR 3101417 B1 FR3101417 B1 FR 3101417B1 FR 1910781 A FR1910781 A FR 1910781A FR 1910781 A FR1910781 A FR 1910781A FR 3101417 B1 FR3101417 B1 FR 3101417B1
Authority
FR
France
Prior art keywords
surface temperatures
deformations
fan blades
optical fiber
aeronautical turbomachine
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
FR1910781A
Other languages
English (en)
Other versions
FR3101417A1 (fr
Inventor
Guillaume François Daniel Bidan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Safran SA
Original Assignee
Safran SA
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 Safran SA filed Critical Safran SA
Priority to FR1910781A priority Critical patent/FR3101417B1/fr
Publication of FR3101417A1 publication Critical patent/FR3101417A1/fr
Application granted granted Critical
Publication of FR3101417B1 publication Critical patent/FR3101417B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G01D5/35306—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 an interferometer arrangement
    • G01D5/35309—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 an interferometer arrangement using multiple waves interferometer
    • G01D5/35316—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 an interferometer arrangement using multiple waves interferometer using a Bragg gratings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
    • G01L1/242—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
    • G01L1/246—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre using integrated gratings, e.g. Bragg gratings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/08—Testing mechanical properties
    • G01M11/083—Testing mechanical properties by using an optical fiber in contact with the device under test [DUT]
    • G01M11/085—Testing mechanical properties by using an optical fiber in contact with the device under test [DUT] the optical fiber being on or near the surface of the DUT
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
    • G01M5/0016—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings of aircraft wings or blades
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
    • G01M5/0091—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by using electromagnetic excitation or detection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Electromagnetism (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Abstract

P rocédé et dispositif de mesure optique de déformées ou de températures en surface d’ aube s de soufflante de turbomachine aéronautique Procédé de mesure de déformées ou de températures en surface d’au moins une aube de soufflante (10) de turbomachine aéronautique, l’aube comportant au moins une fibre optique (16, 20) équipée d’un ou plusieurs réseaux de Bragg (18), procédé comprenant les étapes successives suivantes : émission depuis une source de lumière (22) d’un signal optique dans une extrémité d’entrée de la fibre optique, la fibre optique comportant au moins une partie de fibre à diffusion latérale (20) couplée à une extrémité de sortie de la fibre optique, et réception dans un module d’acquisition (26) d’un signal optique provenant de la partie de fibre à diffusion latérale et préalablement filtré par le ou les réseaux de Bragg. Figure pour l’abrégé : Fig. 1.
FR1910781A 2019-09-30 2019-09-30 Procédé et dispositif de mesure optique de déformées ou de températures en surface d’aubes de soufflante de turbomachine aéronautique Active FR3101417B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1910781A FR3101417B1 (fr) 2019-09-30 2019-09-30 Procédé et dispositif de mesure optique de déformées ou de températures en surface d’aubes de soufflante de turbomachine aéronautique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1910781A FR3101417B1 (fr) 2019-09-30 2019-09-30 Procédé et dispositif de mesure optique de déformées ou de températures en surface d’aubes de soufflante de turbomachine aéronautique
FR1910781 2019-09-30

Publications (2)

Publication Number Publication Date
FR3101417A1 FR3101417A1 (fr) 2021-04-02
FR3101417B1 true FR3101417B1 (fr) 2021-09-03

Family

ID=69104709

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1910781A Active FR3101417B1 (fr) 2019-09-30 2019-09-30 Procédé et dispositif de mesure optique de déformées ou de températures en surface d’aubes de soufflante de turbomachine aéronautique

Country Status (1)

Country Link
FR (1) FR3101417B1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5832156A (en) * 1996-10-31 1998-11-03 Lucent Technologies Inc. Article comprising an optical waveguide tap
JP2004170336A (ja) * 2002-11-22 2004-06-17 Showa Electric Wire & Cable Co Ltd ファイバ・ブラッグ・グレーティング書き込み位置の特定方法
FR2949572B1 (fr) * 2009-08-31 2012-09-21 Kloe S A Dispositif et procede de mesure a fibre optique
FR2988444B1 (fr) 2012-03-20 2016-01-15 Snecma Detection d'un impact d'objet etranger a l'entree d'un moteur d'aeronef

Also Published As

Publication number Publication date
FR3101417A1 (fr) 2021-04-02

Similar Documents

Publication Publication Date Title
US8085404B2 (en) Gas analyzer and gas analyzing method
SE443243B (sv) Modblandare for optiska vagledare
CN107884382B (zh) 一种基于空芯反谐振光纤的气体检测***
CN1074292A (zh) 光学测度***
EP1314973A1 (fr) Réfractomètre à fibre optique
US20180274909A1 (en) Light guide clamping device, fiber optic sensor and production method
CN104391132B (zh) 基于分子吸收光谱的发动机燃烧流场速度测量装置与方法
CN105865750A (zh) 一种光纤缺陷检测方法及装置
FR3101417B1 (fr) Procédé et dispositif de mesure optique de déformées ou de températures en surface d’aubes de soufflante de turbomachine aéronautique
FR2949572B1 (fr) Dispositif et procede de mesure a fibre optique
CN105784618A (zh) 一种非透射固体表面上溶液液膜参数测量装置及方法
MA34624B1 (fr) Spectrophotomètre pour caractérisation optique automatisée de tubes collecteurs solaires et procédé de fonctionnement
EP2141502A1 (fr) Installation d'éolienne comportant un système de mesure de la vitesse du vent
KR100694318B1 (ko) 단일 에탈론을 이용한 입자군 속도 측정용 다채널 수신광학계 및 이를 구비하는 입자군 속도 측정 장치
ATE288585T1 (de) Gefrierpunktmessgerät und verfahren zur messung des gefrierpunktes
FR3076611B1 (fr) Dispositif de mesure pour surveiller le niveau de remplissage et effectuer les mesures différentielles de l’indice de réfraction optique
FR3100335B1 (fr) Méthode et dispositif de caractérisation optique de particules
CN108414480B (zh) 一种原油荧光测量装置和方法
WO2020036218A1 (fr) Procédé de test de distribution d'efficacités de gain raman et dispositif de test de distribution d'efficacités de gain raman
CN110006860A (zh) 一种共聚焦多路荧光检测***
FR3107594B1 (fr) Procede et systeme pour la mesure optique d'une caracteristique de particules presentes dans un milieu gazeux
RU2382340C1 (ru) Способ дистанционного измерения температуры и устройство для его осуществления
CN114234828B (zh) 一种高温应变测量装置
EP2110654A2 (fr) Test non destructif d'un coupleur optique intégré dans un circuit optique intégré
KR102234980B1 (ko) 플라즈몬을 이용한 라만 신호 증강장치 및 이를 이용한 라만 신호 측정 시스템

Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 2

PLSC Publication of the preliminary search report

Effective date: 20210402

PLFP Fee payment

Year of fee payment: 3

PLFP Fee payment

Year of fee payment: 4

PLFP Fee payment

Year of fee payment: 5