DE602005006483D1 - Verfahren zur Unterdrückung des aeroelastischen Verhaltens einer Schaufelreihe in einem Dampfturbinenrad - Google Patents

Verfahren zur Unterdrückung des aeroelastischen Verhaltens einer Schaufelreihe in einem Dampfturbinenrad

Info

Publication number
DE602005006483D1
DE602005006483D1 DE602005006483T DE602005006483T DE602005006483D1 DE 602005006483 D1 DE602005006483 D1 DE 602005006483D1 DE 602005006483 T DE602005006483 T DE 602005006483T DE 602005006483 T DE602005006483 T DE 602005006483T DE 602005006483 D1 DE602005006483 D1 DE 602005006483D1
Authority
DE
Germany
Prior art keywords
blades
suppressing
row
steam turbine
turbine wheel
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.)
Active
Application number
DE602005006483T
Other languages
English (en)
Inventor
Steven Sebastian Burdgick
Wendy W Lin
Guy W Deleonardo
Kevin Joseph Barb
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 DE602005006483D1 publication Critical patent/DE602005006483D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow blades
    • 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
    • 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
    • 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
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/40—Organic materials
    • F05D2300/43—Synthetic polymers, e.g. plastics; Rubber
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S416/00—Fluid reaction surfaces, i.e. impellers
    • Y10S416/50—Vibration damping features

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
DE602005006483T 2004-08-09 2005-07-25 Verfahren zur Unterdrückung des aeroelastischen Verhaltens einer Schaufelreihe in einem Dampfturbinenrad Active DE602005006483D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/913,407 US7147437B2 (en) 2004-08-09 2004-08-09 Mixed tuned hybrid blade related method

Publications (1)

Publication Number Publication Date
DE602005006483D1 true DE602005006483D1 (de) 2008-06-19

Family

ID=34941842

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005006483T Active DE602005006483D1 (de) 2004-08-09 2005-07-25 Verfahren zur Unterdrückung des aeroelastischen Verhaltens einer Schaufelreihe in einem Dampfturbinenrad

Country Status (6)

Country Link
US (1) US7147437B2 (de)
EP (1) EP1626161B1 (de)
JP (1) JP2006052732A (de)
KR (1) KR20060050297A (de)
CN (1) CN1734062B (de)
DE (1) DE602005006483D1 (de)

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US20070036658A1 (en) * 2005-08-09 2007-02-15 Morris Robert J Tunable gas turbine engine fan assembly
US7507073B2 (en) * 2006-02-24 2009-03-24 General Electric Company Methods and apparatus for assembling a steam turbine bucket
US7766625B2 (en) * 2006-03-31 2010-08-03 General Electric Company Methods and apparatus for reducing stress in turbine buckets
US20070292265A1 (en) * 2006-06-14 2007-12-20 General Electric Company System design and cooling method for LP steam turbines using last stage hybrid bucket
US7429165B2 (en) * 2006-06-14 2008-09-30 General Electric Company Hybrid blade for a steam turbine
EP1985803A1 (de) * 2007-04-23 2008-10-29 Siemens Aktiengesellschaft Verfahren zum Herstellen von beschichteten Turbinenlaufschaufeln
US7887299B2 (en) * 2007-06-07 2011-02-15 Honeywell International Inc. Rotary body for turbo machinery with mistuned blades
GB2450937B (en) * 2007-07-13 2009-06-03 Rolls Royce Plc Component with tuned frequency response
GB2450936B (en) * 2007-07-13 2010-01-20 Rolls Royce Plc Bladed rotor balancing
US8100641B2 (en) * 2008-09-09 2012-01-24 General Electric Company Steam turbine having stage with buckets of different materials
US8043063B2 (en) * 2009-03-26 2011-10-25 Pratt & Whitney Canada Corp. Intentionally mistuned integrally bladed rotor
US8419370B2 (en) * 2009-06-25 2013-04-16 Rolls-Royce Corporation Retaining and sealing ring assembly
US8469670B2 (en) * 2009-08-27 2013-06-25 Rolls-Royce Corporation Fan assembly
US8435006B2 (en) * 2009-09-30 2013-05-07 Rolls-Royce Corporation Fan
FR2956875B1 (fr) * 2010-02-26 2012-09-21 Snecma Aube allegee pour turbomachine, carter comportant une pluralite d'une telle aube et turbomachine comportant au moins un tel carter
US8726725B2 (en) 2011-03-08 2014-05-20 Schlumberger Technology Corporation Apparatus, system and method for determining at least one downhole parameter of a wellsite
US9297277B2 (en) 2011-09-30 2016-03-29 General Electric Company Power plant
US8763360B2 (en) * 2011-11-03 2014-07-01 United Technologies Corporation Hollow fan blade tuning using distinct filler materials
US9097125B2 (en) * 2012-08-17 2015-08-04 Mapna Group Intentionally frequency mistuned turbine blades
US10047609B2 (en) 2012-09-25 2018-08-14 United Technologies Corporation Airfoil array with airfoils that differ in geometry according to geometry classes
ES2546992T3 (es) * 2012-10-24 2015-09-30 MTU Aero Engines AG Método para desintonizar los álabes de un motor de turbina de gas
EP2942481B1 (de) * 2014-05-07 2019-03-27 Rolls-Royce Corporation Rotor für einen gasturbinenmotor
CN104675443A (zh) * 2014-12-15 2015-06-03 中国燃气涡轮研究院 一种涡轮整体叶盘固有频率调整方法
US10215029B2 (en) 2016-01-27 2019-02-26 Hanwha Power Systems Co., Ltd. Blade assembly
US10641281B2 (en) 2016-08-08 2020-05-05 United Technologies Corporation Mistuned laminate airfoil
US10837287B2 (en) * 2017-01-20 2020-11-17 Pratt & Whitney Canada Corp. Mistuned bladed rotor and associated manufacturing method
US10954804B2 (en) * 2017-07-05 2021-03-23 Raytheon Technologies Corporation Rotary machines including a hybrid rotor with hollow and solid rotor blade sets
EP3604762B1 (de) * 2017-10-31 2022-10-12 Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. Turbine, turbolader und herstellungsverfahren für turbine
US10731471B2 (en) * 2018-12-28 2020-08-04 General Electric Company Hybrid rotor blades for turbine engines
US11220913B2 (en) * 2019-10-23 2022-01-11 Rolls-Royce Corporation Gas turbine engine blades with airfoil plugs for selected tuning
US11255199B2 (en) 2020-05-20 2022-02-22 Rolls-Royce Corporation Airfoil with shaped mass reduction pocket
US11767765B2 (en) * 2021-09-28 2023-09-26 General Electric Company Glass viscous damper
US11746659B2 (en) 2021-12-23 2023-09-05 Rolls-Royce North American Technologies Inc. Fan blade with internal shear-thickening fluid damping
US11560801B1 (en) 2021-12-23 2023-01-24 Rolls-Royce North American Technologies Inc. Fan blade with internal magnetorheological fluid damping

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US6854959B2 (en) * 2003-04-16 2005-02-15 General Electric Company Mixed tuned hybrid bucket and related method

Also Published As

Publication number Publication date
US7147437B2 (en) 2006-12-12
EP1626161A1 (de) 2006-02-15
JP2006052732A (ja) 2006-02-23
CN1734062B (zh) 2010-09-08
CN1734062A (zh) 2006-02-15
EP1626161B1 (de) 2008-05-07
KR20060050297A (ko) 2006-05-19
US20060029501A1 (en) 2006-02-09

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Legal Events

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8364 No opposition during term of opposition