JP2011099438A - 蒸気通路流れ剥離低減システム - Google Patents

蒸気通路流れ剥離低減システム Download PDF

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Publication number
JP2011099438A
JP2011099438A JP2010245759A JP2010245759A JP2011099438A JP 2011099438 A JP2011099438 A JP 2011099438A JP 2010245759 A JP2010245759 A JP 2010245759A JP 2010245759 A JP2010245759 A JP 2010245759A JP 2011099438 A JP2011099438 A JP 2011099438A
Authority
JP
Japan
Prior art keywords
stationary vane
channel
vane support
extraction band
circumferential
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Withdrawn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
JP2010245759A
Other languages
English (en)
Japanese (ja)
Other versions
JP2011099438A5 (OSRAM
Inventor
Nestor Hernandez Sanchez
ネスター・ヘルナンデス・サンチェ
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 JP2011099438A publication Critical patent/JP2011099438A/ja
Publication of JP2011099438A5 publication Critical patent/JP2011099438A5/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Withdrawn legal-status Critical Current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
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • F01D5/145—Means for influencing boundary layers or secondary circulations
    • 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
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • F01D5/142—Shape, i.e. outer, aerodynamic form of the blades of successive rotor or stator blade-rows
    • F01D5/143—Contour of the outer or inner working fluid flow path wall, i.e. shroud or hub contour
    • 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
    • F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using blades
    • 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
    • F05D2270/00—Control
    • F05D2270/01—Purpose of the control system
    • F05D2270/17—Purpose of the control system to control boundary layer

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Control Of Turbines (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
JP2010245759A 2009-11-05 2010-11-02 蒸気通路流れ剥離低減システム Withdrawn JP2011099438A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/612,854 US8322972B2 (en) 2009-11-05 2009-11-05 Steampath flow separation reduction system

Publications (2)

Publication Number Publication Date
JP2011099438A true JP2011099438A (ja) 2011-05-19
JP2011099438A5 JP2011099438A5 (OSRAM) 2013-12-12

Family

ID=43413589

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010245759A Withdrawn JP2011099438A (ja) 2009-11-05 2010-11-02 蒸気通路流れ剥離低減システム

Country Status (4)

Country Link
US (1) US8322972B2 (OSRAM)
EP (1) EP2320028A3 (OSRAM)
JP (1) JP2011099438A (OSRAM)
RU (1) RU2010144991A (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015001228A (ja) * 2013-06-17 2015-01-05 アルストム テクノロジー リミテッドＡＬＳＴＯＭ Ｔｅｃｈｎｏｌｏｇｙ Ｌｔｄ 蒸気タービンにおける低体積流量の不安定性の制御

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW201226154A (en) * 2010-12-24 2012-07-01 Hon Hai Prec Ind Co Ltd Feeding device for injection molding equipment
EP2781692A1 (de) * 2013-03-20 2014-09-24 Siemens Aktiengesellschaft Diffusor und Strömungsmaschine mit dem Diffusor
DE102013220676A1 (de) * 2013-10-14 2015-04-16 Siemens Aktiengesellschaft Dampfturbine mit Axialschubausgleich
JP7439285B2 (ja) * 2020-09-28 2024-02-27 三菱重工業株式会社 蒸気タービン

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2703477A (en) * 1951-03-16 1955-03-08 Rateau Soc Rotary jet propulsion unit
US2956732A (en) * 1954-02-10 1960-10-18 Edward A Stalker Compressors
GB1291943A (en) * 1970-02-11 1972-10-04 Secr Defence Improvements in or relating to ducted fans
JPS588203A (ja) * 1981-07-03 1983-01-18 Hitachi Ltd 軸流タ−ビンのダイヤフラム
JPS58155204A (ja) * 1982-03-10 1983-09-14 Toshiba Corp 蒸気タ−ビン
DE3424138A1 (de) * 1984-06-30 1986-01-09 BBC Aktiengesellschaft Brown, Boveri & Cie., Baden, Aargau Luftspeichergasturbine
US4688988A (en) * 1984-12-17 1987-08-25 United Technologies Corporation Coolable stator assembly for a gas turbine engine
JPH03107504A (ja) * 1989-09-20 1991-05-07 Hitachi Ltd 軸流タービンの流体漏洩防止装置
DE19524984A1 (de) * 1995-07-08 1997-01-09 Abb Management Ag Leitschaufelreihe für eine Turbine
JP2003293997A (ja) 2002-04-04 2003-10-15 Ishikawajima Harima Heavy Ind Co Ltd 層流剥離防止装置
US7137245B2 (en) * 2004-06-18 2006-11-21 General Electric Company High area-ratio inter-turbine duct with inlet blowing
US20060202082A1 (en) * 2005-01-21 2006-09-14 Alvi Farrukh S Microjet actuators for the control of flow separation and distortion
US7549282B2 (en) * 2005-10-25 2009-06-23 General Electric Company Multi-slot inter-turbine duct assembly for use in a turbine engine
US7740442B2 (en) * 2006-11-30 2010-06-22 General Electric Company Methods and system for cooling integral turbine nozzle and shroud assemblies
JP2009085185A (ja) * 2007-10-03 2009-04-23 Toshiba Corp 軸流タービンおよび軸流タービン段落構造

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015001228A (ja) * 2013-06-17 2015-01-05 アルストム テクノロジー リミテッドＡＬＳＴＯＭ Ｔｅｃｈｎｏｌｏｇｙ Ｌｔｄ 蒸気タービンにおける低体積流量の不安定性の制御

Also Published As

Publication number Publication date
RU2010144991A (ru) 2012-05-10
EP2320028A2 (en) 2011-05-11
US20110103944A1 (en) 2011-05-05
US8322972B2 (en) 2012-12-04
EP2320028A3 (en) 2014-03-26

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