JP2011220336A - シュラウド渦除去装置 - Google Patents

シュラウド渦除去装置 Download PDF

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Publication number
JP2011220336A
JP2011220336A JP2011081354A JP2011081354A JP2011220336A JP 2011220336 A JP2011220336 A JP 2011220336A JP 2011081354 A JP2011081354 A JP 2011081354A JP 2011081354 A JP2011081354 A JP 2011081354A JP 2011220336 A JP2011220336 A JP 2011220336A
Authority
JP
Japan
Prior art keywords
diffuser
steam
steam guide
wall
last stage
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.)
Ceased
Application number
JP2011081354A
Other languages
English (en)
Japanese (ja)
Other versions
JP2011220336A5 (enExample
Inventor
Sudhakar Neeli
スッドハカール・ニーリ
Prakash Bavanjibhai Dalsania
プラカッシュ・バヴァンジバイ・ダルサニア
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 JP2011220336A publication Critical patent/JP2011220336A/ja
Publication of JP2011220336A5 publication Critical patent/JP2011220336A5/ja
Ceased 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
    • 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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
    • F01D5/225—Blade-to-blade connections, e.g. for damping vibrations by shrouding
    • 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
    • F01D25/30—Exhaust heads, chambers, or the like
    • 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
    • F05D2210/00—Working fluids
    • F05D2210/40—Flow geometry or direction
    • F05D2210/42—Axial inlet and radial outlet
    • 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
    • F05D2220/31—Application in turbines in steam 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
    • F05D2240/00—Components
    • F05D2240/10—Stators
    • F05D2240/12—Fluid guiding means, e.g. vanes
    • F05D2240/127—Vortex generators, turbulators, or the like, for mixing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making
    • Y10T29/4932—Turbomachine making
    • Y10T29/49323—Assembling fluid flow directing devices, e.g., stators, diaphragms, nozzles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
JP2011081354A 2010-04-13 2011-04-01 シュラウド渦除去装置 Ceased JP2011220336A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/758,919 2010-04-13
US12/758,919 US8475125B2 (en) 2010-04-13 2010-04-13 Shroud vortex remover

Publications (2)

Publication Number Publication Date
JP2011220336A true JP2011220336A (ja) 2011-11-04
JP2011220336A5 JP2011220336A5 (enExample) 2014-05-15

Family

ID=44533451

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011081354A Ceased JP2011220336A (ja) 2010-04-13 2011-04-01 シュラウド渦除去装置

Country Status (4)

Country Link
US (1) US8475125B2 (enExample)
EP (1) EP2378077A3 (enExample)
JP (1) JP2011220336A (enExample)
RU (1) RU2580913C2 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014001735A (ja) * 2012-06-18 2014-01-09 Alstom Technology Ltd ターボ機械用のディフューザ
JP2017031947A (ja) * 2015-08-05 2017-02-09 三菱日立パワーシステムズ株式会社 低圧蒸気タービン構造

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8708639B2 (en) * 2010-10-11 2014-04-29 The Coca-Cola Company Turbine bucket shroud tail
US9249687B2 (en) 2010-10-27 2016-02-02 General Electric Company Turbine exhaust diffusion system and method
US20130022444A1 (en) * 2011-07-19 2013-01-24 Sudhakar Neeli Low pressure turbine exhaust diffuser with turbulators
US20130243564A1 (en) * 2012-03-14 2013-09-19 Prakash Bavanjibhai Dalsania Exhaust diffuser for turbine
US9885368B2 (en) 2012-05-24 2018-02-06 Carrier Corporation Stall margin enhancement of axial fan with rotating shroud
US9644496B2 (en) * 2013-03-13 2017-05-09 General Electric Company Radial diffuser exhaust system
US20140348647A1 (en) * 2013-05-24 2014-11-27 Solar Turbines Incorporated Exhaust diffuser for a gas turbine engine exhaust system
RU2612309C1 (ru) * 2015-10-26 2017-03-06 Государственный научный центр Российской Федерации - федеральное государственное унитарное предприятие "Исследовательский Центр имени М.В. Келдыша" Центростремительная турбина
JP6745233B2 (ja) * 2017-02-28 2020-08-26 三菱重工業株式会社 タービン及びガスタービン
EP3653850B1 (en) * 2018-11-16 2021-09-29 Doosan Skoda Power S.r.o. Exhaust diffuser for a steam turbine and corresponding steam turbine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3625630A (en) * 1970-03-27 1971-12-07 Caterpillar Tractor Co Axial flow diffuser
JP2002221004A (ja) * 2001-01-25 2002-08-09 Mitsubishi Heavy Ind Ltd ガスタービン
JP2002327604A (ja) * 2001-04-27 2002-11-15 Mitsubishi Heavy Ind Ltd ガスタービン
JP2009133254A (ja) * 2007-11-30 2009-06-18 Hitachi Ltd 蒸気タービンの排気室
JP2011089508A (ja) * 2009-10-26 2011-05-06 Mitsubishi Heavy Ind Ltd タービン排気構造
JP2011220125A (ja) * 2010-04-05 2011-11-04 Toshiba Corp 軸流タービン

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU546733A1 (ru) * 1971-06-15 1977-02-15 Предприятие П/Я А-3513 Осерадиальный диффузор
GB1386281A (en) * 1972-03-06 1975-03-05 Luft U Kaeltetechnik Veb K Boundary layer control for turbo machines
JPS5520607U (enExample) * 1978-07-26 1980-02-08
US4567729A (en) 1984-09-17 1986-02-04 Westinghouse Electric Corp. Method of forming a zone condenser with a single low pressure double flow turbine
SU1454991A1 (ru) * 1987-05-25 1989-01-30 Харьковский политехнический институт им.В.И.Ленина Выхлопна часть турбомашины
US5209634A (en) * 1991-02-20 1993-05-11 Owczarek Jerzy A Adjustable guide vane assembly for the exhaust flow passage of a steam turbine
US5257906A (en) * 1992-06-30 1993-11-02 Westinghouse Electric Corp. Exhaust system for a turbomachine
DE4422700A1 (de) 1994-06-29 1996-01-04 Abb Management Ag Diffusor für Turbomaschine
EP1068429B1 (de) * 1998-04-06 2004-06-16 Siemens Aktiengesellschaft Dampfturbine
DE10037684A1 (de) 2000-07-31 2002-02-14 Alstom Power Nv Niederdruckdampfturbine mit Mehrkanal-Diffusor
DE10255389A1 (de) * 2002-11-28 2004-06-09 Alstom Technology Ltd Niederdruckdampfturbine mit Mehrkanal-Diffusor
US7780403B2 (en) * 2006-09-08 2010-08-24 Siemens Energy, Inc. Adjustable turbine exhaust flow guide and bearing cone assemblies

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3625630A (en) * 1970-03-27 1971-12-07 Caterpillar Tractor Co Axial flow diffuser
JP2002221004A (ja) * 2001-01-25 2002-08-09 Mitsubishi Heavy Ind Ltd ガスタービン
JP2002327604A (ja) * 2001-04-27 2002-11-15 Mitsubishi Heavy Ind Ltd ガスタービン
JP2009133254A (ja) * 2007-11-30 2009-06-18 Hitachi Ltd 蒸気タービンの排気室
JP2011089508A (ja) * 2009-10-26 2011-05-06 Mitsubishi Heavy Ind Ltd タービン排気構造
JP2011220125A (ja) * 2010-04-05 2011-11-04 Toshiba Corp 軸流タービン

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014001735A (ja) * 2012-06-18 2014-01-09 Alstom Technology Ltd ターボ機械用のディフューザ
JP2017031947A (ja) * 2015-08-05 2017-02-09 三菱日立パワーシステムズ株式会社 低圧蒸気タービン構造

Also Published As

Publication number Publication date
RU2580913C2 (ru) 2016-04-10
US20110250064A1 (en) 2011-10-13
US8475125B2 (en) 2013-07-02
EP2378077A2 (en) 2011-10-19
RU2011113994A (ru) 2012-10-20
EP2378077A3 (en) 2014-10-01

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