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.)
Expired - Lifetime
Application number
DE602005006483T
Other languages
German (de)
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
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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 Expired - Lifetime 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 Expired - Lifetime 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 (https=)
EP (1) EP1626161B1 (https=)
JP (1) JP2006052732A (https=)
KR (1) KR20060050297A (https=)
CN (1) CN1734062B (https=)
DE (1) DE602005006483D1 (https=)

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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
GB2450936B (en) * 2007-07-13 2010-01-20 Rolls Royce Plc Bladed rotor balancing
GB2450937B (en) * 2007-07-13 2009-06-03 Rolls Royce Plc Component with tuned frequency response
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
EP2900923B1 (en) * 2012-09-25 2019-12-25 United Technologies Corporation Airfoil array with vanes that differ in geometry according to geometry classes
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EP2942481B1 (en) * 2014-05-07 2019-03-27 Rolls-Royce Corporation Rotor for a gas turbine engine
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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
JP6745235B2 (ja) * 2017-03-10 2020-08-26 三菱日立パワーシステムズ株式会社 ロータ及びこのロータを備える回転機械
US10954804B2 (en) * 2017-07-05 2021-03-23 Raytheon Technologies Corporation Rotary machines including a hybrid rotor with hollow and solid rotor blade sets
CN110637151B (zh) * 2017-10-31 2021-09-07 三菱重工发动机和增压器株式会社 涡轮动叶片、涡轮增压器以及涡轮动叶片的制造方法
US10731471B2 (en) * 2018-12-28 2020-08-04 General Electric Company Hybrid rotor blades for turbine engines
CN114096737B (zh) * 2019-06-28 2024-06-14 西门子能源全球两合公司 结合模态频率响应调谐的涡轮翼型件
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
US11560801B1 (en) 2021-12-23 2023-01-24 Rolls-Royce North American Technologies Inc. Fan blade with internal magnetorheological fluid damping
US11746659B2 (en) 2021-12-23 2023-09-05 Rolls-Royce North American Technologies Inc. Fan blade with internal shear-thickening fluid damping
US12043368B2 (en) 2022-03-23 2024-07-23 General Electric Company Rotating airfoil assembly

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

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition