EP0823539A3 - Méthode pour influencer la couche limite sur des aubes de turbomachines - Google Patents
Méthode pour influencer la couche limite sur des aubes de turbomachines Download PDFInfo
- Publication number
- EP0823539A3 EP0823539A3 EP97112247A EP97112247A EP0823539A3 EP 0823539 A3 EP0823539 A3 EP 0823539A3 EP 97112247 A EP97112247 A EP 97112247A EP 97112247 A EP97112247 A EP 97112247A EP 0823539 A3 EP0823539 A3 EP 0823539A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- influencing
- boundary layer
- turbomachinery blades
- turbomachinery
- blades
- 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
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
- F01D5/145—Means for influencing boundary layers or secondary circulations
-
- 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
- F05D2260/16—Fluid modulation at a certain frequency
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S415/00—Rotary kinetic fluid motors or pumps
- Y10S415/904—Tool drive turbine, e.g. dental drill
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19632207 | 1996-08-09 | ||
| DE19632207A DE19632207A1 (de) | 1996-08-09 | 1996-08-09 | Verfahren zur Verhinderung der laminaren Grenzschicht-Ablösung an Turbomaschinen-Schaufeln |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0823539A2 EP0823539A2 (fr) | 1998-02-11 |
| EP0823539A3 true EP0823539A3 (fr) | 1999-11-10 |
| EP0823539B1 EP0823539B1 (fr) | 2002-04-10 |
Family
ID=7802258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97112247A Expired - Lifetime EP0823539B1 (fr) | 1996-08-09 | 1997-07-17 | Méthode pour influencer la couche limite sur des aubes de turbomachines |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US5876182A (fr) |
| EP (1) | EP0823539B1 (fr) |
| DE (2) | DE19632207A1 (fr) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6027305A (en) * | 1997-08-13 | 2000-02-22 | Virginia Tech Intellectual Properties, Inc. | Method and apparatus for reducing high-cycle fatigue and suppressing noise in rotating machinery |
| US6203269B1 (en) * | 1999-02-25 | 2001-03-20 | United Technologies Corporation | Centrifugal air flow control |
| US6435814B1 (en) * | 2000-05-16 | 2002-08-20 | General Electric Company | Film cooling air pocket in a closed loop cooled airfoil |
| DE10355241A1 (de) | 2003-11-26 | 2005-06-30 | Rolls-Royce Deutschland Ltd & Co Kg | Strömungsarbeitsmaschine mit Fluidzufuhr |
| DE10355240A1 (de) | 2003-11-26 | 2005-07-07 | Rolls-Royce Deutschland Ltd & Co Kg | Strömungsarbeitsmaschine mit Fluidentnahme |
| DE102004030597A1 (de) | 2004-06-24 | 2006-01-26 | Rolls-Royce Deutschland Ltd & Co Kg | Strömungsarbeitsmaschine mit Aussenradstrahlerzeugung am Stator |
| DE102004043036A1 (de) | 2004-09-06 | 2006-03-09 | Rolls-Royce Deutschland Ltd & Co Kg | Strömungsarbeitsmaschine mit Fluidentnahme |
| DE102004055439A1 (de) | 2004-11-17 | 2006-05-24 | Rolls-Royce Deutschland Ltd & Co Kg | Strömungsarbeitsmaschine mit dynamischer Strömungsbeeinflussung |
| US20080149205A1 (en) * | 2006-12-20 | 2008-06-26 | General Electric Company | System and method for reducing wake |
| DE102007037924A1 (de) | 2007-08-10 | 2009-02-12 | Rolls-Royce Deutschland Ltd & Co Kg | Strömungsarbeitsmaschine mit Ringkanalwandausnehmung |
| DE102008011644A1 (de) | 2008-02-28 | 2009-09-03 | Rolls-Royce Deutschland Ltd & Co Kg | Gehäusestrukturierung für Axialverdichter im Nabenbereich |
| DE102008031982A1 (de) | 2008-07-07 | 2010-01-14 | Rolls-Royce Deutschland Ltd & Co Kg | Strömungsarbeitsmaschine mit Nut an einem Laufspalt eines Schaufelendes |
| DE102008037154A1 (de) | 2008-08-08 | 2010-02-11 | Rolls-Royce Deutschland Ltd & Co Kg | Strömungsarbeitsmaschine |
| DE102008052409A1 (de) | 2008-10-21 | 2010-04-22 | Rolls-Royce Deutschland Ltd & Co Kg | Strömungsarbeitsmaschine mit saugseitennaher Randenergetisierung |
| US8556576B2 (en) * | 2010-09-30 | 2013-10-15 | Florida Turbine Technologies, Inc. | Cooled IBR for a micro-turbine |
| JP2015048716A (ja) * | 2013-08-30 | 2015-03-16 | 株式会社東芝 | 蒸気タービン |
| WO2015163949A2 (fr) * | 2014-01-16 | 2015-10-29 | United Technologies Corporation | Réseau de trous de refroidissement de ventilateur |
| US10731469B2 (en) | 2016-05-16 | 2020-08-04 | Raytheon Technologies Corporation | Method and apparatus to enhance laminar flow for gas turbine engine components |
| WO2018029770A1 (fr) * | 2016-08-09 | 2018-02-15 | 三菱重工コンプレッサ株式会社 | Aube à turbines à vapeur et turbine à vapeur |
| US10415403B2 (en) | 2017-01-13 | 2019-09-17 | Rolls-Royce North American Technologies Inc. | Cooled blisk for gas turbine engine |
| US10934865B2 (en) | 2017-01-13 | 2021-03-02 | Rolls-Royce Corporation | Cooled single walled blisk for gas turbine engine |
| US10247015B2 (en) | 2017-01-13 | 2019-04-02 | Rolls-Royce Corporation | Cooled blisk with dual wall blades for gas turbine engine |
| EP3717784B1 (fr) | 2017-11-28 | 2024-03-06 | Ohio State Innovation Foundation | Oscillateur fluidique à caractéristiques variables et oscillateur fluidique à jet de sortie tridimensionnel et procédés associés |
| US10718218B2 (en) | 2018-03-05 | 2020-07-21 | Rolls-Royce North American Technologies Inc. | Turbine blisk with airfoil and rim cooling |
| WO2020243274A2 (fr) * | 2019-05-29 | 2020-12-03 | Ohio State Innovation Foundation | Oscillateur fluidique incurvé hors plan |
| WO2021096516A1 (fr) | 2019-11-14 | 2021-05-20 | Ohio State Innovation Foundation | Dispositif d'oscillateur fluidique à sortie atomisée |
| CA3158373A1 (fr) | 2019-11-14 | 2021-05-29 | Ohio State Innovation Foundation | Dispositif a jet de balayage a sortie multidirectionnelle |
| IT202100000296A1 (it) | 2021-01-08 | 2022-07-08 | Gen Electric | Motore a turbine con paletta avente un insieme di fossette |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4581887A (en) * | 1984-10-19 | 1986-04-15 | The United States Of America As Represented By The Secretary Of The Army | Pulsation valve |
| DE3505823A1 (de) * | 1985-02-20 | 1986-08-21 | Hans 8038 Gröbenzell Bischoff | Anordnung zur beeinflussung der stroemung an leit- oder laufschaufeln fuer turbomaschinen |
| US5029440A (en) * | 1990-01-26 | 1991-07-09 | The United States Of America As Represented By The Secretary Of The Air Force | Acoustical anti-icing system |
| US5397217A (en) * | 1992-11-24 | 1995-03-14 | General Electric Company | Pulse-cooled gas turbine engine assembly |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3043567C2 (de) | 1980-11-15 | 1982-09-23 | Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln | Anordnung zur Beeinflussung der Strömung an aerodynamischen Profilen |
| DE3738366A1 (de) * | 1987-11-12 | 1989-05-24 | Deutsche Forsch Luft Raumfahrt | Verfahren und vorrichtung zur erzeugung eines laminar-turbulenten grenzschichtuebergangs bei umstroemten koerpern |
| DE4333865C1 (de) * | 1993-10-05 | 1995-02-16 | Mtu Muenchen Gmbh | Schaufelblatt für eine Gasturbine |
-
1996
- 1996-08-09 DE DE19632207A patent/DE19632207A1/de not_active Withdrawn
-
1997
- 1997-07-17 DE DE59706939T patent/DE59706939D1/de not_active Expired - Fee Related
- 1997-07-17 EP EP97112247A patent/EP0823539B1/fr not_active Expired - Lifetime
- 1997-08-11 US US08/907,478 patent/US5876182A/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4581887A (en) * | 1984-10-19 | 1986-04-15 | The United States Of America As Represented By The Secretary Of The Army | Pulsation valve |
| DE3505823A1 (de) * | 1985-02-20 | 1986-08-21 | Hans 8038 Gröbenzell Bischoff | Anordnung zur beeinflussung der stroemung an leit- oder laufschaufeln fuer turbomaschinen |
| US5029440A (en) * | 1990-01-26 | 1991-07-09 | The United States Of America As Represented By The Secretary Of The Air Force | Acoustical anti-icing system |
| US5397217A (en) * | 1992-11-24 | 1995-03-14 | General Electric Company | Pulse-cooled gas turbine engine assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0823539A2 (fr) | 1998-02-11 |
| US5876182A (en) | 1999-03-02 |
| DE19632207A1 (de) | 1998-02-12 |
| DE59706939D1 (de) | 2002-05-16 |
| EP0823539B1 (fr) | 2002-04-10 |
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| Date | Code | Title | Description |
|---|---|---|---|
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