EP1217170A3 - Methode um die Eigenfrequenz von Turbinenschaufeln durch die Orientierung der sekundären Kristallachsen zu beeinflussen - Google Patents

Methode um die Eigenfrequenz von Turbinenschaufeln durch die Orientierung der sekundären Kristallachsen zu beeinflussen Download PDF

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Publication number
EP1217170A3
EP1217170A3 EP01306925A EP01306925A EP1217170A3 EP 1217170 A3 EP1217170 A3 EP 1217170A3 EP 01306925 A EP01306925 A EP 01306925A EP 01306925 A EP01306925 A EP 01306925A EP 1217170 A3 EP1217170 A3 EP 1217170A3
Authority
EP
European Patent Office
Prior art keywords
turbine bucket
tuning
natural frequency
turbine
orientation
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Withdrawn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
EP01306925A
Other languages
English (en)
French (fr)
Other versions
EP1217170A2 (de
Inventor
John Zhiqiang Wang
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 EP1217170A2 publication Critical patent/EP1217170A2/de
Publication of EP1217170A3 publication Critical patent/EP1217170A3/de
Withdrawn legal-status Critical Current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
    • F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
    • B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
    • B22D27/045—Directionally solidified castings
    • 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
    • F01D5/26—Antivibration means not restricted to blade form or construction or to blade-to-blade connections or to the use of particular materials
    • 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
    • F05D2230/20—Manufacture essentially without removing material
    • F05D2230/21—Manufacture essentially without removing material by casting
    • 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
    • F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
    • F05D2300/607—Monocrystallinity

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
EP01306925A 2000-12-14 2001-08-14 Methode um die Eigenfrequenz von Turbinenschaufeln durch die Orientierung der sekundären Kristallachsen zu beeinflussen Withdrawn EP1217170A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US735503 2000-12-14
US09/735,503 US20020074102A1 (en) 2000-12-14 2000-12-14 Method using secondary orientation to tune bucket natural frequency

Publications (2)

Publication Number Publication Date
EP1217170A2 EP1217170A2 (de) 2002-06-26
EP1217170A3 true EP1217170A3 (de) 2003-10-15

Family

ID=24956083

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01306925A Withdrawn EP1217170A3 (de) 2000-12-14 2001-08-14 Methode um die Eigenfrequenz von Turbinenschaufeln durch die Orientierung der sekundären Kristallachsen zu beeinflussen

Country Status (5)

Country Link
US (1) US20020074102A1 (de)
EP (1) EP1217170A3 (de)
JP (1) JP2002201902A (de)
KR (1) KR20020046909A (de)
CZ (1) CZ20012940A3 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7338259B2 (en) * 2004-03-02 2008-03-04 United Technologies Corporation High modulus metallic component for high vibratory operation
US20050227106A1 (en) * 2004-04-08 2005-10-13 Schlichting Kevin W Single crystal combustor panels having controlled crystallographic orientation
US7988412B2 (en) * 2007-08-24 2011-08-02 General Electric Company Structures for damping of turbine components
CN102451619B (zh) * 2010-10-15 2013-11-20 中国石油化工股份有限公司 Y型分子筛膜及二氯甲烷中水分的脱除方法
US20120101792A1 (en) * 2010-10-25 2012-04-26 Alexander Staroselsky Turbine component and method for developing a component
ES2583756T3 (es) * 2011-04-01 2016-09-22 MTU Aero Engines AG Disposición de álabes para una turbomáquina
DE102013226015A1 (de) 2013-12-16 2015-07-16 MTU Aero Engines AG Schaufelgitter
DE102014214270A1 (de) * 2014-07-22 2016-02-18 MTU Aero Engines AG Schaufelgitter für eine Turbomaschine
FR3038341B1 (fr) * 2015-07-03 2017-07-28 Snecma Procede d'alteration de la loi de vrillage de la surface aerodynamique d'une pale de soufflante de moteur a turbine a gaz
DE102018202725A1 (de) 2018-02-22 2019-08-22 MTU Aero Engines AG Anordnung von Schaufeln in einem Schaufelkranz auf Grundlage einer primären Kristallorientierung
CN109269745B (zh) * 2018-10-30 2021-01-19 湖南科技大学 基于托辊激振法的大型斗轮机悬臂低频振动测试方法
US11499431B2 (en) 2021-01-06 2022-11-15 General Electric Company Engine component with structural segment

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3044746A (en) * 1960-05-18 1962-07-17 Gen Electric Fluid-flow machinery blading
US4605452A (en) * 1981-12-14 1986-08-12 United Technologies Corporation Single crystal articles having controlled secondary crystallographic orientation
US4804311A (en) * 1981-12-14 1989-02-14 United Technologies Corporation Transverse directional solidification of metal single crystal articles
US4919593A (en) * 1988-08-30 1990-04-24 Westinghouse Electric Corp. Retrofitted rotor blades for steam turbines and method of making the same
JPH0633701A (ja) * 1992-07-16 1994-02-08 Hitachi Ltd ガスタービン用単結晶動翼及びその製造法
US5292385A (en) * 1991-12-18 1994-03-08 Alliedsignal Inc. Turbine rotor having improved rim durability
US5682747A (en) * 1996-04-10 1997-11-04 General Electric Company Gas turbine combustor heat shield of casted super alloy
JPH1136805A (ja) * 1997-07-14 1999-02-09 Hitachi Ltd タービン翼

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3044746A (en) * 1960-05-18 1962-07-17 Gen Electric Fluid-flow machinery blading
US4605452A (en) * 1981-12-14 1986-08-12 United Technologies Corporation Single crystal articles having controlled secondary crystallographic orientation
US4804311A (en) * 1981-12-14 1989-02-14 United Technologies Corporation Transverse directional solidification of metal single crystal articles
US4919593A (en) * 1988-08-30 1990-04-24 Westinghouse Electric Corp. Retrofitted rotor blades for steam turbines and method of making the same
US5292385A (en) * 1991-12-18 1994-03-08 Alliedsignal Inc. Turbine rotor having improved rim durability
JPH0633701A (ja) * 1992-07-16 1994-02-08 Hitachi Ltd ガスタービン用単結晶動翼及びその製造法
US5682747A (en) * 1996-04-10 1997-11-04 General Electric Company Gas turbine combustor heat shield of casted super alloy
JPH1136805A (ja) * 1997-07-14 1999-02-09 Hitachi Ltd タービン翼

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 018, no. 249 (M - 1604) 12 May 1994 (1994-05-12) *
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 05 31 May 1999 (1999-05-31) *

Also Published As

Publication number Publication date
CZ20012940A3 (cs) 2002-07-17
JP2002201902A (ja) 2002-07-19
KR20020046909A (ko) 2002-06-21
US20020074102A1 (en) 2002-06-20
EP1217170A2 (de) 2002-06-26

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