EP2653667A3 - Système de réduction de vibrations de turbine - Google Patents

Système de réduction de vibrations de turbine Download PDF

Info

Publication number
EP2653667A3
EP2653667A3 EP13163840.5A EP13163840A EP2653667A3 EP 2653667 A3 EP2653667 A3 EP 2653667A3 EP 13163840 A EP13163840 A EP 13163840A EP 2653667 A3 EP2653667 A3 EP 2653667A3
Authority
EP
European Patent Office
Prior art keywords
reduction system
vibration reduction
turbine vibration
nozzle
bucket
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.)
Withdrawn
Application number
EP13163840.5A
Other languages
German (de)
English (en)
Other versions
EP2653667A2 (fr
Inventor
Asif Iqbal Ansari
Joshy John
Moorthi Subramaniyan
Lakshmanan Valliappan
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of EP2653667A2 publication Critical patent/EP2653667A2/fr
Publication of EP2653667A3 publication Critical patent/EP2653667A3/fr
Withdrawn legal-status Critical Current

Links

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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/04—Antivibration arrangements
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/04—Antivibration arrangements
    • F01D25/06—Antivibration arrangements for preventing blade vibration

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Vibration Prevention Devices (AREA)
EP13163840.5A 2012-04-18 2013-04-16 Système de réduction de vibrations de turbine Withdrawn EP2653667A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/450,170 US20130280050A1 (en) 2012-04-18 2012-04-18 Turbine vibration reduction system

Publications (2)

Publication Number Publication Date
EP2653667A2 EP2653667A2 (fr) 2013-10-23
EP2653667A3 true EP2653667A3 (fr) 2014-01-01

Family

ID=48139760

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13163840.5A Withdrawn EP2653667A3 (fr) 2012-04-18 2013-04-16 Système de réduction de vibrations de turbine

Country Status (5)

Country Link
US (1) US20130280050A1 (fr)
EP (1) EP2653667A3 (fr)
JP (1) JP2013221522A (fr)
CN (1) CN103375183B (fr)
RU (1) RU2013117262A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2816199B1 (fr) * 2013-06-17 2021-09-01 General Electric Technology GmbH Commande d'instabilités de faible débit volumétrique dans des turbines à vapeur
EP2924245B1 (fr) 2014-03-24 2017-03-01 General Electric Technology GmbH Turbine à vapeur avec chambre de résonance
US10371170B2 (en) 2015-04-21 2019-08-06 Pratt & Whitney Canada Corp. Noise reduction using IGV flow ejections
US12428973B2 (en) 2023-12-22 2025-09-30 Ge Infrastructure Technology Llc Mitigation of rotating stall in turbine exhaust section using segmented auxiliary struts
US12338776B1 (en) 2023-12-22 2025-06-24 Ge Infrastructure Technology Llc Fluid injection system and method for mitigating rotating stall in turbine engine
CN120042662B (zh) * 2025-04-25 2025-07-08 西安交通大学 深度调峰时降低汽轮机低压级气流激振力的蒸汽补偿结构

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4967550A (en) * 1987-04-28 1990-11-06 Rolls-Royce Plc Active control of unsteady motion phenomena in turbomachinery
US20020041805A1 (en) * 1999-04-26 2002-04-11 Junichi Kurokawa Turbo Machines
WO2006060010A1 (fr) * 2004-12-01 2006-06-08 United Technologies Corporation Pale de guidage d’entree de compresseur pour moteur de turbine a pression d’entree et procede de commande correspondant

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3756740A (en) * 1971-08-11 1973-09-04 M Deich Turbine stage
FR2370170A1 (fr) * 1976-11-05 1978-06-02 Snecma Procede et dispositif pour la diminution du bruit des turbomachines
JPH04127804U (ja) * 1991-05-10 1992-11-20 三菱重工業株式会社 動翼の制振装置
JP2000213303A (ja) * 1999-01-26 2000-08-02 Ishikawajima Harima Heavy Ind Co Ltd 翼制振方法および翼制振構造
JP2002221005A (ja) * 2001-01-26 2002-08-09 Ishikawajima Harima Heavy Ind Co Ltd 冷却タービン翼
JP4342840B2 (ja) * 2003-05-30 2009-10-14 株式会社東芝 蒸気タービン
US7018172B2 (en) * 2003-12-22 2006-03-28 United Technologies Corporation Airfoil surface impedance modification for noise reduction in turbofan engines
US8956105B2 (en) * 2008-12-31 2015-02-17 Rolls-Royce North American Technologies, Inc. Turbine vane for gas turbine engine
US20130064638A1 (en) * 2011-09-08 2013-03-14 Moorthi Subramaniyan Boundary Layer Blowing Using Steam Seal Leakage Flow

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4967550A (en) * 1987-04-28 1990-11-06 Rolls-Royce Plc Active control of unsteady motion phenomena in turbomachinery
US20020041805A1 (en) * 1999-04-26 2002-04-11 Junichi Kurokawa Turbo Machines
WO2006060010A1 (fr) * 2004-12-01 2006-06-08 United Technologies Corporation Pale de guidage d’entree de compresseur pour moteur de turbine a pression d’entree et procede de commande correspondant

Also Published As

Publication number Publication date
JP2013221522A (ja) 2013-10-28
CN103375183B (zh) 2016-08-17
CN103375183A (zh) 2013-10-30
US20130280050A1 (en) 2013-10-24
RU2013117262A (ru) 2014-10-27
EP2653667A2 (fr) 2013-10-23

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