JPS5215386A - Rotor flaw detection method by acoustic emission signal - Google Patents

Rotor flaw detection method by acoustic emission signal

Info

Publication number
JPS5215386A
JPS5215386A JP50090121A JP9012175A JPS5215386A JP S5215386 A JPS5215386 A JP S5215386A JP 50090121 A JP50090121 A JP 50090121A JP 9012175 A JP9012175 A JP 9012175A JP S5215386 A JPS5215386 A JP S5215386A
Authority
JP
Japan
Prior art keywords
rotor
acoustic emission
detection method
flaw detection
emission signal
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.)
Pending
Application number
JP50090121A
Other languages
Japanese (ja)
Inventor
Takeshi Kagawa
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.)
Mitsubishi Power Ltd
Original Assignee
Babcock Hitachi KK
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 Babcock Hitachi KK filed Critical Babcock Hitachi KK
Priority to JP50090121A priority Critical patent/JPS5215386A/en
Publication of JPS5215386A publication Critical patent/JPS5215386A/en
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

PURPOSE: Grasp behavior of cracks which generate in rotors by detecting and monitoring acoustic emission (AE) signals which have passed acoustic coupling of mercury bath.
COPYRIGHT: (C)1977,JPO&Japio
JP50090121A 1975-07-25 1975-07-25 Rotor flaw detection method by acoustic emission signal Pending JPS5215386A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50090121A JPS5215386A (en) 1975-07-25 1975-07-25 Rotor flaw detection method by acoustic emission signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50090121A JPS5215386A (en) 1975-07-25 1975-07-25 Rotor flaw detection method by acoustic emission signal

Publications (1)

Publication Number Publication Date
JPS5215386A true JPS5215386A (en) 1977-02-04

Family

ID=13989667

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50090121A Pending JPS5215386A (en) 1975-07-25 1975-07-25 Rotor flaw detection method by acoustic emission signal

Country Status (1)

Country Link
JP (1) JPS5215386A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6170766U (en) * 1984-10-16 1986-05-14
JPS61234353A (en) * 1985-04-09 1986-10-18 Koyo Seiko Co Ltd Removal of noise in acoustic emission measuring system
JPH01120660U (en) * 1988-02-08 1989-08-16
RU2593526C2 (en) * 2014-12-02 2016-08-10 Общество с ограниченной ответственностью "Новоуральский научно-конструкторский центр" Method of determining leakage shell of hollow rotor during operation of centrifugal device
JPWO2017104617A1 (en) * 2015-12-15 2018-03-01 コニカミノルタ株式会社 Gas detection image processing apparatus, gas detection image processing method, gas detection image processing program, computer-readable recording medium recording the gas detection image processing program, and gas detection system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6170766U (en) * 1984-10-16 1986-05-14
JPS61234353A (en) * 1985-04-09 1986-10-18 Koyo Seiko Co Ltd Removal of noise in acoustic emission measuring system
JPH01120660U (en) * 1988-02-08 1989-08-16
RU2593526C2 (en) * 2014-12-02 2016-08-10 Общество с ограниченной ответственностью "Новоуральский научно-конструкторский центр" Method of determining leakage shell of hollow rotor during operation of centrifugal device
JPWO2017104617A1 (en) * 2015-12-15 2018-03-01 コニカミノルタ株式会社 Gas detection image processing apparatus, gas detection image processing method, gas detection image processing program, computer-readable recording medium recording the gas detection image processing program, and gas detection system

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