CH709087A8 - Verfahren und Systeme zur Überwachung der Funktionstüchtigkeit von Laufschaufeln. - Google Patents
Verfahren und Systeme zur Überwachung der Funktionstüchtigkeit von Laufschaufeln. Download PDFInfo
- Publication number
- CH709087A8 CH709087A8 CH01967/14A CH19672014A CH709087A8 CH 709087 A8 CH709087 A8 CH 709087A8 CH 01967/14 A CH01967/14 A CH 01967/14A CH 19672014 A CH19672014 A CH 19672014A CH 709087 A8 CH709087 A8 CH 709087A8
- Authority
- CH
- Switzerland
- Prior art keywords
- resonant frequency
- arrival time
- resonance
- frequency delta
- generates
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 238000012544 monitoring process Methods 0.000 title abstract 2
- 239000011159 matrix material Substances 0.000 abstract 5
- 239000013598 vector Substances 0.000 abstract 4
- 238000005259 measurement Methods 0.000 abstract 2
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
- F01D21/003—Arrangements for testing or measuring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/80—Diagnostics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2270/00—Control
- F05D2270/30—Control parameters, e.g. input parameters
- F05D2270/304—Spool rotational speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2270/00—Control
- F05D2270/80—Devices generating input signals, e.g. transducers, sensors, cameras or strain gauges
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/140,634 US9657588B2 (en) | 2013-12-26 | 2013-12-26 | Methods and systems to monitor health of rotor blades |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CH709087A2 CH709087A2 (de) | 2015-06-30 |
| CH709087A8 true CH709087A8 (de) | 2015-09-15 |
Family
ID=53372180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH01967/14A CH709087A8 (de) | 2013-12-26 | 2014-12-17 | Verfahren und Systeme zur Überwachung der Funktionstüchtigkeit von Laufschaufeln. |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9657588B2 (https=) |
| JP (1) | JP2015125146A (https=) |
| CN (1) | CN104748953A (https=) |
| CH (1) | CH709087A8 (https=) |
| DE (1) | DE102014118698A1 (https=) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9453430B2 (en) * | 2014-03-21 | 2016-09-27 | Siemens Energy, Inc. | Method for tracking turbine blade creep |
| WO2017187333A1 (en) * | 2016-04-26 | 2017-11-02 | University Of Pretoria | A method and system for monitoring rotor blades of a turbomachine using blade tip timing (btt) |
| US10775269B2 (en) * | 2017-02-08 | 2020-09-15 | Raytheon Technologies Corporation | Blade health inspection using an excitation actuator and vibration sensor |
| CN108680322B (zh) * | 2018-03-29 | 2020-07-07 | 合肥通用机械研究院有限公司 | 一种离心叶轮振动阻尼测试系统及方法 |
| CN111189912B (zh) * | 2020-01-13 | 2021-01-26 | 华南理工大学 | 一种发射参考超声波检测方法、装置及存储介质 |
| CN113586177B (zh) * | 2021-08-10 | 2022-08-09 | 西安交通大学 | 基于单叶端定时传感器的叶片固有频率识别方法 |
| CN113565585B (zh) * | 2021-08-10 | 2022-06-21 | 西安交通大学 | 单叶端定时传感器变工况旋转叶片固有频率提取方法 |
| CN114151146B (zh) * | 2021-10-20 | 2023-05-05 | 中国航发四川燃气涡轮研究院 | 多联带冠涡轮转子叶片气流激振力参数的获取方法 |
Family Cites Families (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5152172A (en) | 1989-03-23 | 1992-10-06 | Electric Power Research Institute | Operating turbine resonant blade monitor |
| US5206816A (en) * | 1991-01-30 | 1993-04-27 | Westinghouse Electric Corp. | System and method for monitoring synchronous blade vibration |
| US5686669A (en) | 1996-02-29 | 1997-11-11 | Monitoring Technology Corporation | Apparatus and method for analyzing the condition and performance of turbomachines by processing signals representing rotor motion |
| GB9618096D0 (en) | 1996-08-29 | 1996-10-09 | Rolls Royce Plc | Identification of resonant frequencies of vibration of rotating blades |
| JP2001165089A (ja) * | 1999-12-06 | 2001-06-19 | Mitsubishi Heavy Ind Ltd | 非接触翼振動計測装置 |
| JP2002022616A (ja) * | 2000-07-13 | 2002-01-23 | Mitsubishi Heavy Ind Ltd | 亀裂診断方法及び亀裂診断装置 |
| JP3530474B2 (ja) * | 2000-09-22 | 2004-05-24 | 三菱重工業株式会社 | 翼振動計測方法及びこれを用いた翼振動監視システム |
| DE10065314B4 (de) | 2000-12-30 | 2007-08-16 | Igus - Innovative Technische Systeme Gmbh | Verfahren und Einrichtung zur Überwachung des Zustandes von Rotorblättern an Windkraftanlagen |
| GB0525936D0 (en) * | 2005-12-21 | 2006-02-01 | Rolls Royce Plc | Methods of analysing apparatus |
| JP4474395B2 (ja) * | 2006-09-29 | 2010-06-02 | 株式会社日立製作所 | タービンフォーク超音波探傷装置及び方法 |
| US9557210B2 (en) | 2007-02-02 | 2017-01-31 | The Secretary, Department Of Atomic Energy, Govt. Of India | Method for non-intrusive on-line detection of turbine blade condition |
| US7449859B2 (en) * | 2007-02-20 | 2008-11-11 | Gm Global Technology Operations, Inc. | Reduction of subharmonic oscillation at high frequency operation of a power inverter |
| FR2937079B1 (fr) * | 2008-10-10 | 2011-08-26 | Snecma | Procede et systeme de surveillance d'un turboreacteur |
| US8532939B2 (en) * | 2008-10-31 | 2013-09-10 | General Electric Company | System and method for monitoring health of airfoils |
| US7941281B2 (en) * | 2008-12-22 | 2011-05-10 | General Electric Company | System and method for rotor blade health monitoring |
| US8676514B2 (en) | 2010-06-29 | 2014-03-18 | General Electric Company | System and method for monitoring health of airfoils |
| US8543341B2 (en) | 2010-06-29 | 2013-09-24 | General Electric Company | System and method for monitoring health of airfoils |
| DE102008057556A1 (de) | 2008-11-15 | 2010-05-20 | Mtu Aero Engines Gmbh | Verfahren und Vorrichtung zur Risserkennung an Verdichterlaufschaufeln |
| CN101532911B (zh) * | 2009-04-24 | 2011-05-11 | 华北电力大学 | 大型汽轮发电机组转子裂纹故障实时诊断方法 |
| JP5293406B2 (ja) * | 2009-05-28 | 2013-09-18 | 株式会社Ihi | 回転翼の非接触翼振動計測方法 |
| EP2299248A1 (de) * | 2009-09-14 | 2011-03-23 | Siemens Aktiengesellschaft | Verfahren zur Ermittlung von Rissen in Turbinenschaufeln |
| US8710825B2 (en) | 2011-02-23 | 2014-04-29 | General Electric Company | Method and system of a sensor interface having dynamic automatic gain control |
| US8718953B2 (en) | 2011-04-28 | 2014-05-06 | General Electric Company | System and method for monitoring health of airfoils |
| US20130082833A1 (en) | 2011-09-30 | 2013-04-04 | General Electric Company | System and method for monitoring health of airfoils |
| US9250153B2 (en) | 2012-10-31 | 2016-02-02 | General Electric Company | Methods and systems for monitoring health of blades |
| US9250056B2 (en) | 2012-12-31 | 2016-02-02 | General Electric Company | System and method for monitoring health of airfoils |
-
2013
- 2013-12-26 US US14/140,634 patent/US9657588B2/en active Active
-
2014
- 2014-12-16 DE DE102014118698.2A patent/DE102014118698A1/de not_active Withdrawn
- 2014-12-17 CH CH01967/14A patent/CH709087A8/de unknown
- 2014-12-24 JP JP2014259653A patent/JP2015125146A/ja active Pending
- 2014-12-24 CN CN201410820900.0A patent/CN104748953A/zh active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JP2015125146A (ja) | 2015-07-06 |
| US20150184536A1 (en) | 2015-07-02 |
| US9657588B2 (en) | 2017-05-23 |
| CH709087A2 (de) | 2015-06-30 |
| CN104748953A (zh) | 2015-07-01 |
| DE102014118698A1 (de) | 2015-07-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PK | Correction |
Free format text: BERICHTIGUNG ERFINDER |
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| PK | Correction |
Free format text: ERFINDER BERICHTIGT. |
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| NV | New agent |
Representative=s name: GENERAL ELECTRIC TECHNOLOGY GMBH GLOBAL PATENT, CH |