CN111655972B - 涡轮叶片、涡轮及涡轮叶片的固有振动频率的调整方法 - Google Patents

涡轮叶片、涡轮及涡轮叶片的固有振动频率的调整方法 Download PDF

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Publication number
CN111655972B
CN111655972B CN201980010834.1A CN201980010834A CN111655972B CN 111655972 B CN111655972 B CN 111655972B CN 201980010834 A CN201980010834 A CN 201980010834A CN 111655972 B CN111655972 B CN 111655972B
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China
Prior art keywords
blade
shank
edge side
pressure surface
contour
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CN201980010834.1A
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English (en)
Chinese (zh)
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CN111655972A (zh
Inventor
福井嘉夫
桑原正光
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Mitsubishi Heavy Industries Ltd
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Mitsubishi Heavy Industries Ltd
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Publication of CN111655972A publication Critical patent/CN111655972A/zh
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    • 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
    • F01D5/10—Anti- vibration means
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/04—Antivibration arrangements
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/04—Antivibration arrangements
    • F01D25/06—Antivibration arrangements for preventing 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
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/32—Application in turbines in gas 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
CN201980010834.1A 2018-03-27 2019-03-22 涡轮叶片、涡轮及涡轮叶片的固有振动频率的调整方法 Active CN111655972B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2018060930A JP7064076B2 (ja) 2018-03-27 2018-03-27 タービン翼及びタービン並びにタービン翼の固有振動数のチューニング方法
JP2018-060930 2018-03-27
PCT/JP2019/012080 WO2019188780A1 (ja) 2018-03-27 2019-03-22 タービン翼及びタービン並びにタービン翼の固有振動数のチューニング方法

Publications (2)

Publication Number Publication Date
CN111655972A CN111655972A (zh) 2020-09-11
CN111655972B true CN111655972B (zh) 2022-09-13

Family

ID=68059043

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201980010834.1A Active CN111655972B (zh) 2018-03-27 2019-03-22 涡轮叶片、涡轮及涡轮叶片的固有振动频率的调整方法

Country Status (6)

Country Link
US (1) US11578603B2 (https=)
JP (1) JP7064076B2 (https=)
KR (1) KR102384441B1 (https=)
CN (1) CN111655972B (https=)
DE (1) DE112019000895B4 (https=)
WO (1) WO2019188780A1 (https=)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7360971B2 (ja) * 2020-02-19 2023-10-13 三菱重工業株式会社 タービン翼及びタービン
US11377972B1 (en) 2021-02-25 2022-07-05 Doosan Heavy Industries & Construction Co., Ltd. Airfoil profile
US11306594B1 (en) 2021-02-25 2022-04-19 Doosan Heavy Industries & Construction Co., Ltd. Airfoil profile
US11293286B1 (en) 2021-02-25 2022-04-05 Doosan Heavy Industries & Construction Co., Ltd. Airfoil profile
US11255195B1 (en) 2021-02-25 2022-02-22 Doosan Heavy Industries & Construction Co., Ltd. Airfoil profile
US11454126B1 (en) 2021-08-24 2022-09-27 Doosan Heavy Industries & Construction Co., Ltd. Blade root shank profile
US12601268B2 (en) 2023-08-25 2026-04-14 Rtx Corporation CMC vane with detuned platform

Citations (2)

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CN103362559A (zh) * 2012-04-05 2013-10-23 通用电气公司 具有用于侵蚀控制的加压内腔的cmc叶片
CN103703216A (zh) * 2011-10-27 2014-04-02 三菱重工业株式会社 涡轮动叶片及具备该涡轮动叶片的燃气轮机

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JPS6397803A (ja) 1986-10-13 1988-04-28 Hitachi Ltd タ−ビン翼の固定部構造
US5435694A (en) * 1993-11-19 1995-07-25 General Electric Company Stress relieving mount for an axial blade
JP2000248901A (ja) 1999-02-26 2000-09-12 Mitsubishi Heavy Ind Ltd 中空ブレードおよびその固有振動数調整方法
US6481972B2 (en) 2000-12-22 2002-11-19 General Electric Company Turbine bucket natural frequency tuning rib
JP4781544B2 (ja) 2001-02-26 2011-09-28 住友ゴム工業株式会社 農用車輪
US6547645B2 (en) 2001-08-27 2003-04-15 General Electric Company Method and backer inserts for blocking backwall water jet strikes
US6761536B1 (en) 2003-01-31 2004-07-13 Power Systems Mfg, Llc Turbine blade platform trailing edge undercut
JP2005233141A (ja) 2004-02-23 2005-09-02 Mitsubishi Heavy Ind Ltd 動翼およびその動翼を用いたガスタービン
US7252481B2 (en) 2004-05-14 2007-08-07 Pratt & Whitney Canada Corp. Natural frequency tuning of gas turbine engine blades
US7549846B2 (en) 2005-08-03 2009-06-23 United Technologies Corporation Turbine blades
US7467924B2 (en) * 2005-08-16 2008-12-23 United Technologies Corporation Turbine blade including revised platform
US8007245B2 (en) * 2007-11-29 2011-08-30 General Electric Company Shank shape for a turbine blade and turbine incorporating the same
US8435008B2 (en) 2008-10-17 2013-05-07 United Technologies Corporation Turbine blade including mistake proof feature
KR101305575B1 (ko) * 2010-01-20 2013-09-09 미츠비시 쥬고교 가부시키가이샤 터빈 동익 및 터보 기계
US20120051930A1 (en) 2010-08-31 2012-03-01 General Electric Company Shrouded turbine blade with contoured platform and axial dovetail
RU2553049C2 (ru) 2011-07-01 2015-06-10 Альстом Текнолоджи Лтд Лопатка ротора турбины, ротор турбины и турбина
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CN103703216A (zh) * 2011-10-27 2014-04-02 三菱重工业株式会社 涡轮动叶片及具备该涡轮动叶片的燃气轮机
CN103362559A (zh) * 2012-04-05 2013-10-23 通用电气公司 具有用于侵蚀控制的加压内腔的cmc叶片

Also Published As

Publication number Publication date
JP2019173612A (ja) 2019-10-10
DE112019000895T5 (de) 2020-10-29
KR20200100184A (ko) 2020-08-25
KR102384441B1 (ko) 2022-04-08
JP7064076B2 (ja) 2022-05-10
CN111655972A (zh) 2020-09-11
WO2019188780A1 (ja) 2019-10-03
DE112019000895B4 (de) 2023-06-29
US20210095567A1 (en) 2021-04-01
US11578603B2 (en) 2023-02-14

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