JPS6223819B2 - - Google Patents

Info

Publication number
JPS6223819B2
JPS6223819B2 JP54139242A JP13924279A JPS6223819B2 JP S6223819 B2 JPS6223819 B2 JP S6223819B2 JP 54139242 A JP54139242 A JP 54139242A JP 13924279 A JP13924279 A JP 13924279A JP S6223819 B2 JPS6223819 B2 JP S6223819B2
Authority
JP
Japan
Prior art keywords
signal
turbine rotor
crack
frequency
converter
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.)
Expired
Application number
JP54139242A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5663220A (en
Inventor
Kyoshi Saito
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co Ltd
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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP13924279A priority Critical patent/JPS5663220A/ja
Publication of JPS5663220A publication Critical patent/JPS5663220A/ja
Publication of JPS6223819B2 publication Critical patent/JPS6223819B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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

  • Control Of Turbines (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
JP13924279A 1979-10-30 1979-10-30 Monitor device for crack occurrence of turbine rotor Granted JPS5663220A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13924279A JPS5663220A (en) 1979-10-30 1979-10-30 Monitor device for crack occurrence of turbine rotor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13924279A JPS5663220A (en) 1979-10-30 1979-10-30 Monitor device for crack occurrence of turbine rotor

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP22476186A Division JPS6296701A (ja) 1986-09-25 1986-09-25 タ−ビンロ−タ

Publications (2)

Publication Number Publication Date
JPS5663220A JPS5663220A (en) 1981-05-29
JPS6223819B2 true JPS6223819B2 (enrdf_load_stackoverflow) 1987-05-25

Family

ID=15240765

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13924279A Granted JPS5663220A (en) 1979-10-30 1979-10-30 Monitor device for crack occurrence of turbine rotor

Country Status (1)

Country Link
JP (1) JPS5663220A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58150859A (ja) * 1982-03-03 1983-09-07 Hitachi Ltd 回転体の亀裂診断装置
JPS61284658A (ja) * 1985-06-11 1986-12-15 Sumitomo Metal Ind Ltd 亀裂検知装置
JP2601799B2 (ja) * 1986-05-30 1997-04-16 光洋精工 株式会社 軸受破壊予知方法
JPS63304129A (ja) * 1987-06-03 1988-12-12 Koyo Seiko Co Ltd 軸受の異常検出装置
US8074499B2 (en) * 2009-12-22 2011-12-13 General Electric Company Method and system for detecting a crack on a turbomachine blade
EP4055254A1 (en) * 2019-12-05 2022-09-14 Siemens Energy, Inc. Turbine blade health monitoring system for identifying cracks

Also Published As

Publication number Publication date
JPS5663220A (en) 1981-05-29

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