JP2010065688A - 異なる材料のバケットを含む段を有する蒸気タービン - Google Patents

異なる材料のバケットを含む段を有する蒸気タービン Download PDF

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Publication number
JP2010065688A
JP2010065688A JP2009204186A JP2009204186A JP2010065688A JP 2010065688 A JP2010065688 A JP 2010065688A JP 2009204186 A JP2009204186 A JP 2009204186A JP 2009204186 A JP2009204186 A JP 2009204186A JP 2010065688 A JP2010065688 A JP 2010065688A
Authority
JP
Japan
Prior art keywords
buckets
stage
steam turbine
bucket
cover
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Withdrawn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
JP2009204186A
Other languages
English (en)
Japanese (ja)
Other versions
JP2010065688A5 (enExample
Inventor
Robert J Bracken
ロバート・ジェームズ・ブラッケン
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 JP2010065688A publication Critical patent/JP2010065688A/ja
Publication of JP2010065688A5 publication Critical patent/JP2010065688A5/ja
Withdrawn legal-status Critical Current

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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
    • 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
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/027—Arrangements for balancing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2201/00—Metals
    • F05C2201/04—Heavy metals
    • F05C2201/0433—Iron group; Ferrous alloys, e.g. steel
    • F05C2201/0466—Nickel
    • 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
    • F05D2240/00—Components
    • F05D2240/10—Stators
    • F05D2240/11—Shroud seal segments
    • 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
    • F05D2300/10—Metals, alloys or intermetallic compounds
    • F05D2300/17—Alloys
    • F05D2300/171—Steel alloys
    • 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
    • F05D2300/50—Intrinsic material properties or characteristics
    • F05D2300/502—Thermal properties
    • F05D2300/5021—Expansivity
    • F05D2300/50212—Expansivity dissimilar

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
JP2009204186A 2008-09-09 2009-09-04 異なる材料のバケットを含む段を有する蒸気タービン Withdrawn JP2010065688A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/206,852 US8100641B2 (en) 2008-09-09 2008-09-09 Steam turbine having stage with buckets of different materials

Publications (2)

Publication Number Publication Date
JP2010065688A true JP2010065688A (ja) 2010-03-25
JP2010065688A5 JP2010065688A5 (enExample) 2012-08-16

Family

ID=41082978

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009204186A Withdrawn JP2010065688A (ja) 2008-09-09 2009-09-04 異なる材料のバケットを含む段を有する蒸気タービン

Country Status (4)

Country Link
US (1) US8100641B2 (enExample)
EP (1) EP2161410A1 (enExample)
JP (1) JP2010065688A (enExample)
RU (1) RU2009133730A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015509161A (ja) * 2012-01-25 2015-03-26 シーメンス アクティエンゲゼルシャフト ターボ機械のためのロータ

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8118557B2 (en) * 2009-03-25 2012-02-21 General Electric Company Steam turbine rotating blade of 52 inch active length for steam turbine low pressure application
EP2706196A1 (en) 2012-09-07 2014-03-12 Siemens Aktiengesellschaft Turbine vane arrangement
WO2014130332A1 (en) 2013-02-21 2014-08-28 United Technologies Corporation Gas turbine engine having a mistuned stage
US10808543B2 (en) 2013-04-16 2020-10-20 Raytheon Technologies Corporation Rotors with modulus mistuned airfoils
DE102013226015A1 (de) * 2013-12-16 2015-07-16 MTU Aero Engines AG Schaufelgitter
FR3018849B1 (fr) * 2014-03-24 2018-03-16 Safran Aircraft Engines Piece de revolution pour un rotor de turbomachine
US10533424B2 (en) * 2015-04-20 2020-01-14 Pratt & Whitney Canada Corp. Gas turbine engine rotor mistuning

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59150903A (ja) 1983-02-09 1984-08-29 Toshiba Corp 回転機械の翼配列構造
DE4324960A1 (de) * 1993-07-24 1995-01-26 Mtu Muenchen Gmbh Laufrad einer Turbomaschine, insbesondere einer Turbine eines Gasturbinentriebwerks
FR2738283B1 (fr) 1995-08-30 1997-09-26 Snecma Agencement de turbomachine comprenant une grille d'aubes et un carter intermediaire
US6471482B2 (en) * 2000-11-30 2002-10-29 United Technologies Corporation Frequency-mistuned light-weight turbomachinery blade rows for increased flutter stability
DE10313489A1 (de) * 2003-03-26 2004-10-14 Alstom Technology Ltd Axial durchströmte thermische Turbomaschine
US6854959B2 (en) * 2003-04-16 2005-02-15 General Electric Company Mixed tuned hybrid bucket and related method
US7147437B2 (en) 2004-08-09 2006-12-12 General Electric Company Mixed tuned hybrid blade related method
JP2006144575A (ja) 2004-11-16 2006-06-08 Mitsubishi Heavy Ind Ltd 軸流形回転流体機械
JP2007231868A (ja) 2006-03-02 2007-09-13 Hitachi Ltd 蒸気タービン動翼およびそれを用いた蒸気タービン並びに蒸気タービン発電プラント

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015509161A (ja) * 2012-01-25 2015-03-26 シーメンス アクティエンゲゼルシャフト ターボ機械のためのロータ

Also Published As

Publication number Publication date
US8100641B2 (en) 2012-01-24
US20100061857A1 (en) 2010-03-11
RU2009133730A (ru) 2011-03-20
EP2161410A1 (en) 2010-03-10

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