JP2013108498A - 特に軸流機械に用いられるディフューザ - Google Patents

特に軸流機械に用いられるディフューザ Download PDF

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Publication number
JP2013108498A
JP2013108498A JP2012252515A JP2012252515A JP2013108498A JP 2013108498 A JP2013108498 A JP 2013108498A JP 2012252515 A JP2012252515 A JP 2012252515A JP 2012252515 A JP2012252515 A JP 2012252515A JP 2013108498 A JP2013108498 A JP 2013108498A
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JP
Japan
Prior art keywords
diffuser
sectional area
cross
peripheral wall
flow
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.)
Pending
Application number
JP2012252515A
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English (en)
Japanese (ja)
Inventor
Willy Heinz Hoffmann
ハインツ ホーフマン ヴィリー
Armin Busekros
ブーゼクロース アーミン
Thomas Peter Sommer
ペーター ゾマー トーマス
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
Publication of JP2013108498A publication Critical patent/JP2013108498A/ja
Pending 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
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • 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
    • F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
    • F01D1/02—Non-positive-displacement machines or engines, e.g. steam turbines with stationary working-fluid guiding means and bladed or like rotor, e.g. multi-bladed impulse steam turbines
    • 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
    • F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
    • F01D25/162—Bearing supports
    • 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
    • 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
    • F05D2260/60—Fluid transfer
    • F05D2260/601—Fluid transfer using an ejector or a jet pump

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
JP2012252515A 2011-11-17 2012-11-16 特に軸流機械に用いられるディフューザ Pending JP2013108498A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011118735A DE102011118735A1 (de) 2011-11-17 2011-11-17 Diffusor, insbesondere für eine axiale strömungsmaschine
DE102011118735.2 2011-11-17

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2016139281A Division JP6188885B2 (ja) 2011-11-17 2016-07-14 特に軸流機械に用いられるディフューザ

Publications (1)

Publication Number Publication Date
JP2013108498A true JP2013108498A (ja) 2013-06-06

Family

ID=47215404

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2012252515A Pending JP2013108498A (ja) 2011-11-17 2012-11-16 特に軸流機械に用いられるディフューザ
JP2016139281A Expired - Fee Related JP6188885B2 (ja) 2011-11-17 2016-07-14 特に軸流機械に用いられるディフューザ

Family Applications After (1)

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JP2016139281A Expired - Fee Related JP6188885B2 (ja) 2011-11-17 2016-07-14 特に軸流機械に用いられるディフューザ

Country Status (6)

Country Link
US (1) US20130129498A1 (de)
EP (1) EP2594741A3 (de)
JP (2) JP2013108498A (de)
CN (1) CN103122776B (de)
DE (1) DE102011118735A1 (de)
RU (1) RU2569015C2 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017214926A (ja) * 2016-05-31 2017-12-07 ゼネラル・エレクトリック・カンパニイ 排気ディフューザ
JP2021148125A (ja) * 2020-03-20 2021-09-27 ドゥサン ヘヴィー インダストリーズ アンド コンストラクション カンパニー リミテッド 流動剥離現象を減らす排気ディフューザのハブ構造

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2896793A1 (de) 2014-01-21 2015-07-22 Alstom Technology Ltd Verfahren zum Betrieb einer Gasturbinenanordnung und die Gasturbinenanordnung
EP2947283B1 (de) 2014-05-23 2017-01-11 GE Energy Products France SNC Thermoakustische Dämmstruktur für die Abgasanlage einer sich drehenden Maschine
EP3023695A1 (de) * 2014-11-20 2016-05-25 Siemens Aktiengesellschaft Thermische Energiemaschine
FR3029568B1 (fr) * 2014-12-05 2016-11-18 Turbomeca Plenum d'alimentation en air
RU2632354C1 (ru) * 2016-12-01 2017-10-04 Открытое акционерное общество "Научно-производственное объединение по исследованию и проектированию энергетического оборудования им. И.И. Ползунова" (ОАО "НПО ЦКТИ") Двухпоточный цилиндр низкого давления паровой турбины
US11291938B2 (en) 2016-12-16 2022-04-05 General Electric Technology Gmbh Coanda effect moisture separator system
US11840937B2 (en) 2021-12-17 2023-12-12 Pratt & Whitney Canada Corp. Diffuser nozzle for a gas turbine engine

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US2637972A (en) * 1948-04-09 1953-05-12 Mcdonnell Aircraft Corp Afterburner for turbojet engines and the like
US2828603A (en) * 1948-04-09 1958-04-01 Westinghouse Electric Corp Afterburner for turbo jet engines and the like
JPS58127120U (ja) * 1982-02-23 1983-08-29 防衛庁技術研究本部長 高温ガス排気管の出口部構造
US4497445A (en) * 1980-03-10 1985-02-05 Rolls-Royce Limited Diffusion apparatus
JPH084554A (ja) * 1994-04-12 1996-01-09 General Electric Co <Ge> 窒素酸化排気放出物を低減させる装置及び方法
WO2009119127A1 (ja) * 2008-03-28 2009-10-01 三菱重工業株式会社 ガスタービンおよびガスタービンの中間軸ならびにガスタービン圧縮機の冷却方法
US20110058939A1 (en) * 2009-06-02 2011-03-10 John Orosa Turbine exhaust diffuser with a gas jet producing a coanda effect flow control
JP2011085134A (ja) * 2009-10-15 2011-04-28 General Electric Co <Ge> 排気ガスディフューザ

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CA486078A (en) * 1950-04-27 1952-08-26 W. Kellal George Exit area control for jet engines
DE1062066B (de) * 1952-10-15 1959-07-23 Nat Res Dev Einrichtung, insbesondere fuer Gasturbinen-anlagen zum Verbrennen von gasfoermigem oder verdampftem Brennstoff
CH484358A (de) * 1968-02-15 1970-01-15 Escher Wyss Ag Abströmgehäuse einer axialen Turbomaschine
US3625630A (en) * 1970-03-27 1971-12-07 Caterpillar Tractor Co Axial flow diffuser
DE2558840C2 (de) * 1975-12-27 1983-03-24 Klein, Schanzlin & Becker Ag, 6710 Frankenthal Einrichtung zur Verminderung des Kavitationsverschleisses
US4272955A (en) * 1979-06-28 1981-06-16 General Electric Company Diffusing means
SU1000558A1 (ru) * 1981-04-03 1983-02-28 Донецкий Ордена Трудового Красного Знамени Политехнический Институт Диффузор
SU1657672A1 (ru) * 1986-07-28 1991-06-23 Производственное объединение "Невский завод" им.В.И.Ленина Диффузор турбомашины
CH672004A5 (de) 1986-09-26 1989-10-13 Bbc Brown Boveri & Cie
US4971768A (en) * 1987-11-23 1990-11-20 United Technologies Corporation Diffuser with convoluted vortex generator
US5110560A (en) * 1987-11-23 1992-05-05 United Technologies Corporation Convoluted diffuser
US4923370A (en) * 1988-11-28 1990-05-08 Allied-Signal Inc. Radial turbine wheel
DE59007880D1 (de) 1990-12-10 1995-01-12 Asea Brown Boveri Lagerung einer thermischen Turbomaschine.
US5230656A (en) * 1992-08-05 1993-07-27 Carrier Corporation Mixer ejector flow distributor
JP3564420B2 (ja) * 2001-04-27 2004-09-08 三菱重工業株式会社 ガスタービン
EP1262637A1 (de) * 2001-05-31 2002-12-04 ALSTOM (Switzerland) Ltd Verfahren zum Betrieben eines Gasturbinenkraftwerks sowie Gasturbinenkraftwerk
US8061983B1 (en) * 2008-06-20 2011-11-22 Florida Turbine Technoligies, Inc. Exhaust diffuser strut with stepped trailing edge
US8313286B2 (en) * 2008-07-28 2012-11-20 Siemens Energy, Inc. Diffuser apparatus in a turbomachine
US8337153B2 (en) * 2009-06-02 2012-12-25 Siemens Energy, Inc. Turbine exhaust diffuser flow path with region of reduced total flow area
DE102010024091B4 (de) * 2010-06-17 2012-10-04 Esg Mbh Mischer
EP2407638A1 (de) * 2010-07-15 2012-01-18 Siemens Aktiengesellschaft Abgasdiffusor für eine Gasturbine und Verfahren zum Betreiben einer Gasturbine mit einem solchen Abgasdiffusor
US9109466B2 (en) * 2011-07-22 2015-08-18 The Board Of Trustees Of The Leland Stanford Junior University Diffuser with backward facing step having varying step height
PL220635B1 (pl) * 2011-10-03 2015-11-30 Gen Electric Dyfuzor gazu wydechowego i turbina zawierająca dyfuzor gazu wydechowego
US20130091865A1 (en) * 2011-10-17 2013-04-18 General Electric Company Exhaust gas diffuser

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2637972A (en) * 1948-04-09 1953-05-12 Mcdonnell Aircraft Corp Afterburner for turbojet engines and the like
US2828603A (en) * 1948-04-09 1958-04-01 Westinghouse Electric Corp Afterburner for turbo jet engines and the like
US4497445A (en) * 1980-03-10 1985-02-05 Rolls-Royce Limited Diffusion apparatus
JPS58127120U (ja) * 1982-02-23 1983-08-29 防衛庁技術研究本部長 高温ガス排気管の出口部構造
JPH084554A (ja) * 1994-04-12 1996-01-09 General Electric Co <Ge> 窒素酸化排気放出物を低減させる装置及び方法
WO2009119127A1 (ja) * 2008-03-28 2009-10-01 三菱重工業株式会社 ガスタービンおよびガスタービンの中間軸ならびにガスタービン圧縮機の冷却方法
US20110058939A1 (en) * 2009-06-02 2011-03-10 John Orosa Turbine exhaust diffuser with a gas jet producing a coanda effect flow control
JP2011085134A (ja) * 2009-10-15 2011-04-28 General Electric Co <Ge> 排気ガスディフューザ

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017214926A (ja) * 2016-05-31 2017-12-07 ゼネラル・エレクトリック・カンパニイ 排気ディフューザ
KR20170135754A (ko) * 2016-05-31 2017-12-08 제네럴 일렉트릭 컴퍼니 배기 디퓨저
KR102403377B1 (ko) * 2016-05-31 2022-06-02 제네럴 일렉트릭 컴퍼니 배기 디퓨저
JP7237444B2 (ja) 2016-05-31 2023-03-13 ゼネラル・エレクトリック・カンパニイ 排気ディフューザ
JP2021148125A (ja) * 2020-03-20 2021-09-27 ドゥサン ヘヴィー インダストリーズ アンド コンストラクション カンパニー リミテッド 流動剥離現象を減らす排気ディフューザのハブ構造
KR20210118304A (ko) * 2020-03-20 2021-09-30 두산중공업 주식회사 유동박리 현상을 줄이는 배기 디퓨저의 허브 구조
KR102350377B1 (ko) * 2020-03-20 2022-01-14 두산중공업 주식회사 유동박리 현상을 줄이는 배기 디퓨저의 허브 구조
JP7107481B2 (ja) 2020-03-20 2022-07-27 ドゥサン エナービリティー カンパニー リミテッド 流動剥離現象を減らす排気ディフューザのハブ構造
US11506145B2 (en) 2020-03-20 2022-11-22 Doosan Enerbility Co., Ltd Exhaust diffuser hub structure for reducing flow separation

Also Published As

Publication number Publication date
CN103122776A (zh) 2013-05-29
JP6188885B2 (ja) 2017-08-30
EP2594741A2 (de) 2013-05-22
RU2012148919A (ru) 2014-05-27
RU2569015C2 (ru) 2015-11-20
JP2016180412A (ja) 2016-10-13
US20130129498A1 (en) 2013-05-23
DE102011118735A1 (de) 2013-05-23
EP2594741A3 (de) 2017-08-23
CN103122776B (zh) 2016-02-10

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