FR3097959B1 - Dispositif de détection d’une crique dans une pièce de turbomachine, procédé de détection associé - Google Patents

Dispositif de détection d’une crique dans une pièce de turbomachine, procédé de détection associé Download PDF

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Publication number
FR3097959B1
FR3097959B1 FR1906908A FR1906908A FR3097959B1 FR 3097959 B1 FR3097959 B1 FR 3097959B1 FR 1906908 A FR1906908 A FR 1906908A FR 1906908 A FR1906908 A FR 1906908A FR 3097959 B1 FR3097959 B1 FR 3097959B1
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France
Prior art keywords
signal
detection
electrical
crick
electrical signal
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FR1906908A
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English (en)
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FR3097959A1 (fr
Inventor
Josserand Jacques André Bassery
Lucas Geoffrey Desbois
Edouard Emmanuel Garreau
Maxime Paul Numa Givert
Samuel Laurent Noël Mathieu Juge
Ba-Phuc Tang
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Safran Aircraft Engines SAS
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Safran Aircraft Engines SAS
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Publication date
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Priority to FR1906908A priority Critical patent/FR3097959B1/fr
Publication of FR3097959A1 publication Critical patent/FR3097959A1/fr
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Publication of FR3097959B1 publication Critical patent/FR3097959B1/fr
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
    • G01H1/003—Measuring characteristics of vibrations in solids by using direct conduction to the detector of rotating machines
    • G01H1/006—Measuring characteristics of vibrations in solids by using direct conduction to the detector of rotating machines of the rotor of turbo machines
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
    • G01H1/12—Measuring characteristics of vibrations in solids by using direct conduction to the detector of longitudinal or not specified vibrations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M15/00—Testing of engines
    • G01M15/14—Testing gas-turbine engines or jet-propulsion engines
    • 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
    • G01M5/0033—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining damage, crack or wear
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/14—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object using acoustic emission techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/223—Supports, positioning or alignment in fixed situation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/40—Detecting the response signal, e.g. electronic circuits specially adapted therefor by amplitude filtering, e.g. by applying a threshold or by gain control
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/4409—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison
    • G01N29/4427—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison with stored values, e.g. threshold values
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/48—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by amplitude comparison
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/0289—Internal structure, e.g. defects, grain size, texture
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/26—Scanned objects
    • G01N2291/269—Various geometry objects
    • G01N2291/2693—Rotor or turbine parts

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

DISPOSITIF DE DÉTECTION D’UNE CRIQUE DANS UNE PIÈCE DE TURBOMACHINE, PROCÉDÉ DE DÉTECTION ASSOCIÉ Un aspect de l’invention concerne un dispositif de détection (20) d’une crique dans une pièce (10) de turbomachine destinée à être fixée à un banc d’essai par des moyens de fixation (11), le dispositif de détection comportant : un transducteur électroacoustique (21) adapté pour convertir un premier signal acoustique, émis par la pièce lorsqu’elle est soumise à une sollicitation vibratoire, en un premier signal électrique, un amplificateur du premier signal électrique, un transducteur électroacoustique (23) adapté pour convertir un deuxième signal acoustique, émis par les moyens de fixation lorsque la pièce est soumise à la sollicitation vibratoire, en un deuxième signal électrique, un amplificateur du deuxième signal électrique, des moyens de traitement pour : filtrer le premier signal électrique amplifié, détecter l’apparition d’une crique dans la pièce lorsque le premier signal électrique filtré présente une amplitude supérieure ou égale à une amplitude de référence prédéterminée. Figure à publier avec l’abrégé : Figure 1
FR1906908A 2019-06-25 2019-06-25 Dispositif de détection d’une crique dans une pièce de turbomachine, procédé de détection associé Active FR3097959B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1906908A FR3097959B1 (fr) 2019-06-25 2019-06-25 Dispositif de détection d’une crique dans une pièce de turbomachine, procédé de détection associé

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1906908 2019-06-25
FR1906908A FR3097959B1 (fr) 2019-06-25 2019-06-25 Dispositif de détection d’une crique dans une pièce de turbomachine, procédé de détection associé

Publications (2)

Publication Number Publication Date
FR3097959A1 FR3097959A1 (fr) 2021-01-01
FR3097959B1 true FR3097959B1 (fr) 2021-05-28

Family

ID=68425022

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Application Number Title Priority Date Filing Date
FR1906908A Active FR3097959B1 (fr) 2019-06-25 2019-06-25 Dispositif de détection d’une crique dans une pièce de turbomachine, procédé de détection associé

Country Status (1)

Country Link
FR (1) FR3097959B1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2660582B1 (fr) * 2012-04-30 2020-02-19 General Electric Company Système et procédé pour contrôler l'état d'aubes de stator
CN106248331B (zh) * 2016-08-30 2018-12-11 中国人民解放军空军工程大学航空航天工程学院 振动放大器及模拟叶片高阶非线性振动疲劳的试验方法
CN106441761A (zh) * 2016-09-20 2017-02-22 天津航天瑞莱科技有限公司 一种发动机叶片的疲劳试验装置
JP2018100948A (ja) * 2016-12-22 2018-06-28 Ｊｆｅテクノリサーチ株式会社 振動試験方法及び振動試験装置
CN108593234B (zh) * 2018-05-29 2020-09-18 中国航发湖南动力机械研究所 高周疲劳试验装置及其应用

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Publication number Publication date
FR3097959A1 (fr) 2021-01-01

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