JP6239447B2 - 蒸気タービンにおける低体積流量の不安定性の制御 - Google Patents

蒸気タービンにおける低体積流量の不安定性の制御 Download PDF

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Publication number
JP6239447B2
JP6239447B2 JP2014124549A JP2014124549A JP6239447B2 JP 6239447 B2 JP6239447 B2 JP 6239447B2 JP 2014124549 A JP2014124549 A JP 2014124549A JP 2014124549 A JP2014124549 A JP 2014124549A JP 6239447 B2 JP6239447 B2 JP 6239447B2
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Prior art keywords
blade
component
flow
passage
degrees
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JP2014124549A
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English (en)
Japanese (ja)
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JP2015001228A (ja
Inventor
ロバート ホーラー ブライアン
ロバート ホーラー ブライアン
スティーヴン ライス ティモシー
スティーヴン ライス ティモシー
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General Electric Technology GmbH
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General Electric Technology GmbH
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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
    • F01D5/02—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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • F01D11/10—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using sealing fluid, e.g. steam
    • 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
    • F01D19/00—Starting of machines or engines; Regulating, controlling, or safety means in connection therewith
    • 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
    • F01D21/00—Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
    • F01D21/003—Arrangements for testing or measuring
    • 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
    • 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
    • F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
    • 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
    • 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
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Control Of Turbines (AREA)
JP2014124549A 2013-06-17 2014-06-17 蒸気タービンにおける低体積流量の不安定性の制御 Active JP6239447B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP13172223 2013-06-17
EP13172223.3 2013-06-17

Publications (2)

Publication Number Publication Date
JP2015001228A JP2015001228A (ja) 2015-01-05
JP6239447B2 true JP6239447B2 (ja) 2017-11-29

Family

ID=48669768

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014124549A Active JP6239447B2 (ja) 2013-06-17 2014-06-17 蒸気タービンにおける低体積流量の不安定性の制御

Country Status (5)

Country Link
US (1) US20140369815A1 (fr)
EP (1) EP2816199B1 (fr)
JP (1) JP6239447B2 (fr)
CN (1) CN104234757B (fr)
IN (1) IN2014DE01617A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016094409A1 (fr) * 2014-12-09 2016-06-16 Villarreal Anna Procédés et dispositifs de surveillance de la santé féminine
US10662802B2 (en) 2018-01-02 2020-05-26 General Electric Company Controlled flow guides for turbines
JP6916755B2 (ja) * 2018-03-09 2021-08-11 三菱重工業株式会社 回転機械
WO2019236062A1 (fr) 2018-06-05 2019-12-12 Siemens Energy, Inc. Agencement d'un dernier étage avec des bloqueurs de flux et procédé correspondant pour supprimer des cellules d'instabilité de flux rotatives
EP3816397B1 (fr) * 2019-10-31 2023-05-10 General Electric Company Aubes de turbines avec écoulement contrôlé
CN112699505B (zh) * 2020-12-28 2022-11-25 哈尔滨汽轮机厂有限责任公司 一种用于核电机组低压缸长叶片的动应力有限元计算方法
CN113153453B (zh) * 2021-03-02 2022-10-11 哈尔滨工业大学 汽轮机末级叶片容积流量估计方法、颤振预警方法及系统和装置

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57180101U (fr) * 1981-05-12 1982-11-15
JPS5813105A (ja) * 1981-07-16 1983-01-25 Toshiba Corp 蒸気タ−ビン
JPS63179101A (ja) * 1987-01-20 1988-07-23 Mitsubishi Heavy Ind Ltd 軸流タ−ビン
JPH0430203A (ja) * 1990-05-25 1992-02-03 Fanuc Ltd ロボットの加減速時定数制御方法
JPH0430203U (fr) * 1990-07-09 1992-03-11
JPH04308301A (ja) * 1991-04-03 1992-10-30 Mitsubishi Heavy Ind Ltd 蒸気タービン翼の振動防止方法
US5486091A (en) * 1994-04-19 1996-01-23 United Technologies Corporation Gas turbine airfoil clocking
JP3816150B2 (ja) * 1995-07-18 2006-08-30 株式会社荏原製作所 遠心流体機械
JP3786458B2 (ja) * 1996-01-19 2006-06-14 株式会社東芝 軸流タービン翼
CH697101A5 (de) * 2004-01-31 2008-04-30 Zhengji Zhang Verfahren zur Unterdrückung der Strömungsinstabilität und rotierender Ablösung in Strömungsmaschinen.
US7594388B2 (en) * 2005-06-06 2009-09-29 General Electric Company Counterrotating turbofan engine
JP2005299680A (ja) * 2005-07-11 2005-10-27 Toshiba Corp 軸流タービン翼
US7744343B2 (en) * 2006-09-21 2010-06-29 General Electric Company Method and apparatus for controlling the operation of a steam turbine
US8322972B2 (en) * 2009-11-05 2012-12-04 General Electric Company Steampath flow separation reduction system
EP2434164A1 (fr) * 2010-09-24 2012-03-28 Siemens Aktiengesellschaft Traitement de carter variable
US10072522B2 (en) * 2011-07-14 2018-09-11 Honeywell International Inc. Compressors with integrated secondary air flow systems
US20130064665A1 (en) * 2011-09-13 2013-03-14 General Electric Company Low pressure steam turbine including pivotable nozzle
JP2013060931A (ja) * 2011-09-15 2013-04-04 Toshiba Corp 蒸気タービン
US20130280050A1 (en) * 2012-04-18 2013-10-24 General Electric Company Turbine vibration reduction system

Also Published As

Publication number Publication date
US20140369815A1 (en) 2014-12-18
JP2015001228A (ja) 2015-01-05
IN2014DE01617A (fr) 2015-06-19
EP2816199A3 (fr) 2015-03-04
EP2816199B1 (fr) 2021-09-01
CN104234757B (zh) 2016-10-05
EP2816199A2 (fr) 2014-12-24
CN104234757A (zh) 2014-12-24

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