JP2015125146A5 - - Google Patents

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Publication number
JP2015125146A5
JP2015125146A5 JP2014259653A JP2014259653A JP2015125146A5 JP 2015125146 A5 JP2015125146 A5 JP 2015125146A5 JP 2014259653 A JP2014259653 A JP 2014259653A JP 2014259653 A JP2014259653 A JP 2014259653A JP 2015125146 A5 JP2015125146 A5 JP 2015125146A5
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JP
Japan
Prior art keywords
matrix
arrival time
delta
resonance
blade
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Pending
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JP2014259653A
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English (en)
Japanese (ja)
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JP2015125146A (ja
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Priority claimed from US14/140,634 external-priority patent/US9657588B2/en
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Publication of JP2015125146A publication Critical patent/JP2015125146A/ja
Publication of JP2015125146A5 publication Critical patent/JP2015125146A5/ja
Pending legal-status Critical Current

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JP2014259653A 2013-12-26 2014-12-24 動翼の健全性を監視するための方法およびシステム Pending JP2015125146A (ja)

Applications Claiming Priority (2)

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
US14/140,634 2013-12-26

Publications (2)

Publication Number Publication Date
JP2015125146A JP2015125146A (ja) 2015-07-06
JP2015125146A5 true JP2015125146A5 (https=) 2018-02-01

Family

ID=53372180

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014259653A Pending JP2015125146A (ja) 2013-12-26 2014-12-24 動翼の健全性を監視するための方法およびシステム

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=)

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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)

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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
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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
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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

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