PL2912272T3 - Sposób przestrajania kratki łopat wirnika - Google Patents

Sposób przestrajania kratki łopat wirnika

Info

Publication number
PL2912272T3
PL2912272T3 PL14702486T PL14702486T PL2912272T3 PL 2912272 T3 PL2912272 T3 PL 2912272T3 PL 14702486 T PL14702486 T PL 14702486T PL 14702486 T PL14702486 T PL 14702486T PL 2912272 T3 PL2912272 T3 PL 2912272T3
Authority
PL
Poland
Prior art keywords
misaligning
rotor blade
blade grid
grid
rotor
Prior art date
Application number
PL14702486T
Other languages
English (en)
Inventor
Thomas Grönsfelder
Jan Walkenhorst
Lazzer Armin De
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of PL2912272T3 publication Critical patent/PL2912272T3/pl

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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/16—Form or construction for counteracting blade vibration
    • 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
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/10—Manufacture by removing material
    • 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
    • F05D2260/96—Preventing, counteracting or reducing vibration or noise
    • F05D2260/961—Preventing, counteracting or reducing vibration or noise by mistuning rotor blades or stator vanes with irregular interblade spacing, airfoil shape

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
PL14702486T 2013-02-05 2014-01-23 Sposób przestrajania kratki łopat wirnika PL2912272T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP13153956.1A EP2762678A1 (de) 2013-02-05 2013-02-05 Verfahren zum Verstimmen eines Laufschaufelgitters
EP14702486.3A EP2912272B1 (de) 2013-02-05 2014-01-23 Verfahren zum verstimmen eines laufschaufelgitters

Publications (1)

Publication Number Publication Date
PL2912272T3 true PL2912272T3 (pl) 2017-04-28

Family

ID=47789964

Family Applications (1)

Application Number Title Priority Date Filing Date
PL14702486T PL2912272T3 (pl) 2013-02-05 2014-01-23 Sposób przestrajania kratki łopat wirnika

Country Status (7)

Country Link
US (1) US9835034B2 (pl)
EP (2) EP2762678A1 (pl)
JP (1) JP6054550B2 (pl)
KR (1) KR20150112989A (pl)
CN (1) CN104968894B (pl)
PL (1) PL2912272T3 (pl)
WO (1) WO2014122028A1 (pl)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3043131B1 (fr) * 2015-10-28 2017-11-03 Snecma Procede pour introduire un desaccordage volontaire dans une roue aubagee de turbomachine
EP3187685A1 (de) * 2015-12-28 2017-07-05 Siemens Aktiengesellschaft Verfahren zum herstellen eines grundkörpers einer turbinenschaufel
EP3239460A1 (de) * 2016-04-27 2017-11-01 Siemens Aktiengesellschaft Verfahren zum profilieren von schaufeln einer axialströmungsmaschine
DE102017113998A1 (de) 2017-06-23 2018-12-27 Rolls-Royce Deutschland Ltd & Co Kg Verfahren zur Erzeugung und Auswahl eines Verstimmungsmusters eines eine Mehrzahl von Laufschaufeln aufweisenden Laufrads einer Strömungsmaschine

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4108573A (en) 1977-01-26 1978-08-22 Westinghouse Electric Corp. Vibratory tuning of rotatable blades for elastic fluid machines
JPS54114619A (en) * 1978-02-28 1979-09-06 Toshiba Corp Natural frequency adjusting method of turbine blade
JPS5993901A (ja) 1982-11-17 1984-05-30 Toshiba Corp 蒸気タ−ビン動翼
JPS59150903A (ja) 1983-02-09 1984-08-29 Toshiba Corp 回転機械の翼配列構造
CA1295018C (en) 1987-09-23 1992-01-28 Westinghouse Electric Corporation Method and apparatus for determining resonant frequency of a turbine blade made of a material not responsive to a magnetic field
US5988982A (en) * 1997-09-09 1999-11-23 Lsp Technologies, Inc. Altering vibration frequencies of workpieces, such as gas turbine engine blades
US6042338A (en) * 1998-04-08 2000-03-28 Alliedsignal Inc. Detuned fan blade apparatus and method
JP3715458B2 (ja) 1999-03-11 2005-11-09 株式会社東芝 タービンの動翼の振動管理方法
US6471482B2 (en) * 2000-11-30 2002-10-29 United Technologies Corporation Frequency-mistuned light-weight turbomachinery blade rows for increased flutter stability
JP3637284B2 (ja) 2001-03-01 2005-04-13 三菱重工業株式会社 動翼振動数の推定装置、及び、その推定方法
US6814543B2 (en) 2002-12-30 2004-11-09 General Electric Company Method and apparatus for bucket natural frequency tuning
FR2869069B1 (fr) 2004-04-20 2008-11-21 Snecma Moteurs Sa Procede pour introduire un desaccordage volontaire sur une roue aubagee de turbomachine roue aubagee presentant un desaccordage volontaire
US7252481B2 (en) 2004-05-14 2007-08-07 Pratt & Whitney Canada Corp. Natural frequency tuning of gas turbine engine blades
EP1640562A1 (de) * 2004-09-23 2006-03-29 Siemens Aktiengesellschaft Verfahren zur Frequenzverstimmung einer Turbinenschaufel sowie Turbinenschaufel
RU2382911C1 (ru) 2008-10-24 2010-02-27 Федеральное государственное унитарное предприятие "Центральный институт авиационного моторостроения имени П.И. Баранова" Полая лопатка вентилятора
US7941281B2 (en) 2008-12-22 2011-05-10 General Electric Company System and method for rotor blade health monitoring
US7997873B2 (en) 2009-03-27 2011-08-16 General Electric Company High efficiency last stage bucket for steam turbine
DE102009033618A1 (de) * 2009-07-17 2011-01-20 Mtu Aero Engines Gmbh Verfahren zur Frequenzverstimmung eines Rotorkörpers einer Gasturbine und ein Rotor einer Gasturbine
EP2434098A1 (de) 2010-09-24 2012-03-28 Siemens Aktiengesellschaft Schaufelanordnung und zugehörige Gasturbine
CA2761208C (en) 2010-12-08 2019-03-05 Pratt & Whitney Canada Corp. Blade disk arrangement for blade frequency tuning
JP5725849B2 (ja) 2010-12-27 2015-05-27 三菱日立パワーシステムズ株式会社 固定治具

Also Published As

Publication number Publication date
EP2912272B1 (de) 2016-11-02
US9835034B2 (en) 2017-12-05
WO2014122028A1 (de) 2014-08-14
JP6054550B2 (ja) 2016-12-27
EP2912272A1 (de) 2015-09-02
CN104968894A (zh) 2015-10-07
JP2016507023A (ja) 2016-03-07
EP2762678A1 (de) 2014-08-06
US20160010461A1 (en) 2016-01-14
CN104968894B (zh) 2016-11-09
KR20150112989A (ko) 2015-10-07

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