EP2816199A3 - Steuerung von geringen Instabilitäten des Volumenflusses in Dampfturbinen - Google Patents

Steuerung von geringen Instabilitäten des Volumenflusses in Dampfturbinen Download PDF

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Publication number
EP2816199A3
EP2816199A3 EP14170721.6A EP14170721A EP2816199A3 EP 2816199 A3 EP2816199 A3 EP 2816199A3 EP 14170721 A EP14170721 A EP 14170721A EP 2816199 A3 EP2816199 A3 EP 2816199A3
Authority
EP
European Patent Office
Prior art keywords
passages
rotor blades
volumetric flow
low volumetric
control
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.)
Granted
Application number
EP14170721.6A
Other languages
English (en)
French (fr)
Other versions
EP2816199B1 (de
EP2816199A2 (de
Inventor
Brian Robert Haller
Timothy Stephen Rice
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 Technology GmbH
Original Assignee
Alstom Technology AG
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 Alstom Technology AG filed Critical Alstom Technology AG
Priority to EP14170721.6A priority Critical patent/EP2816199B1/de
Publication of EP2816199A2 publication Critical patent/EP2816199A2/de
Publication of EP2816199A3 publication Critical patent/EP2816199A3/de
Application granted granted Critical
Publication of EP2816199B1 publication Critical patent/EP2816199B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F01D5/02—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)
EP14170721.6A 2013-06-17 2014-06-02 Steuerung von Instabilitäten aufgrund eines geringen Volumenflusses in Dampfturbinen Active EP2816199B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14170721.6A EP2816199B1 (de) 2013-06-17 2014-06-02 Steuerung von Instabilitäten aufgrund eines geringen Volumenflusses in Dampfturbinen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP13172223 2013-06-17
EP14170721.6A EP2816199B1 (de) 2013-06-17 2014-06-02 Steuerung von Instabilitäten aufgrund eines geringen Volumenflusses in Dampfturbinen

Publications (3)

Publication Number Publication Date
EP2816199A2 EP2816199A2 (de) 2014-12-24
EP2816199A3 true EP2816199A3 (de) 2015-03-04
EP2816199B1 EP2816199B1 (de) 2021-09-01

Family

ID=48669768

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14170721.6A Active EP2816199B1 (de) 2013-06-17 2014-06-02 Steuerung von Instabilitäten aufgrund eines geringen Volumenflusses in Dampfturbinen

Country Status (5)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016094409A1 (en) * 2014-12-09 2016-06-16 Villarreal Anna Methods and devices for female health monitoring
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 (en) 2018-06-05 2019-12-12 Siemens Energy, Inc. Arrangement of a last stage with flow blockers and corresponding method for suppressing rotating flow instability cells
PL3816397T3 (pl) * 2019-10-31 2023-06-19 General Electric Company Łopatki turbiny o kontrolowanym przepływie
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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0754864A1 (de) * 1995-07-18 1997-01-22 Ebara Corporation Turbomaschine
US20080075578A1 (en) * 2006-09-21 2008-03-27 Steven Sebastian Burdgick Method and apparatus for controlling the operation of a steam turbine
CH697101A5 (de) * 2004-01-31 2008-04-30 Zhengji Zhang Verfahren zur Unterdrückung der Strömungsinstabilität und rotierender Ablösung in Strömungsmaschinen.
EP2434164A1 (de) * 2010-09-24 2012-03-28 Siemens Aktiengesellschaft Verstellbares Casing Treatment

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57180101U (de) * 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 (de) * 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
JP3786458B2 (ja) * 1996-01-19 2006-06-14 株式会社東芝 軸流タービン翼
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
US8322972B2 (en) * 2009-11-05 2012-12-04 General Electric Company Steampath flow separation reduction system
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0754864A1 (de) * 1995-07-18 1997-01-22 Ebara Corporation Turbomaschine
CH697101A5 (de) * 2004-01-31 2008-04-30 Zhengji Zhang Verfahren zur Unterdrückung der Strömungsinstabilität und rotierender Ablösung in Strömungsmaschinen.
US20080075578A1 (en) * 2006-09-21 2008-03-27 Steven Sebastian Burdgick Method and apparatus for controlling the operation of a steam turbine
EP2434164A1 (de) * 2010-09-24 2012-03-28 Siemens Aktiengesellschaft Verstellbares Casing Treatment

Also Published As

Publication number Publication date
JP6239447B2 (ja) 2017-11-29
US20140369815A1 (en) 2014-12-18
CN104234757B (zh) 2016-10-05
EP2816199B1 (de) 2021-09-01
CN104234757A (zh) 2014-12-24
EP2816199A2 (de) 2014-12-24
IN2014DE01617A (de) 2015-06-19
JP2015001228A (ja) 2015-01-05

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