EP0823539A3 - Grenzschichtbeeinflussung bei Turbomaschinenschaufeln - Google Patents

Grenzschichtbeeinflussung bei Turbomaschinenschaufeln Download PDF

Info

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
Application number
EP97112247A
Other languages
English (en)
French (fr)
Other versions
EP0823539B1 (de
EP0823539A2 (de
Inventor
Volker Dr. Schulte
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.)
Rolls Royce Deutschland Ltd and Co KG
Original Assignee
BMW Rolls Royce GmbH
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 BMW Rolls Royce GmbH filed Critical BMW Rolls Royce GmbH
Publication of EP0823539A2 publication Critical patent/EP0823539A2/de
Publication of EP0823539A3 publication Critical patent/EP0823539A3/de
Application granted granted Critical
Publication of EP0823539B1 publication Critical patent/EP0823539B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F01D5/145—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)
EP97112247A 1996-08-09 1997-07-17 Grenzschichtbeeinflussung bei Turbomaschinenschaufeln Expired - Lifetime EP0823539B1 (de)

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 (de) 1998-02-11
EP0823539A3 true EP0823539A3 (de) 1999-11-10
EP0823539B1 EP0823539B1 (de) 2002-04-10

Family

ID=7802258

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97112247A Expired - Lifetime EP0823539B1 (de) 1996-08-09 1997-07-17 Grenzschichtbeeinflussung bei Turbomaschinenschaufeln

Country Status (3)

Country Link
US (1) US5876182A (de)
EP (1) EP0823539B1 (de)
DE (2) DE19632207A1 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
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
DE10355240A1 (de) 2003-11-26 2005-07-07 Rolls-Royce Deutschland Ltd & Co Kg Strömungsarbeitsmaschine mit Fluidentnahme
DE10355241A1 (de) * 2003-11-26 2005-06-30 Rolls-Royce Deutschland Ltd & Co Kg Strömungsarbeitsmaschine mit Fluidzufuhr
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
US10738619B2 (en) * 2014-01-16 2020-08-11 Raytheon Technologies Corporation Fan cooling hole array
US10731469B2 (en) 2016-05-16 2020-08-04 Raytheon Technologies Corporation Method and apparatus to enhance laminar flow for gas turbine engine components
JP6603971B2 (ja) * 2016-08-09 2019-11-13 三菱重工コンプレッサ株式会社 蒸気タービン
US10247015B2 (en) 2017-01-13 2019-04-02 Rolls-Royce Corporation Cooled blisk with dual wall blades for gas turbine engine
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
EP3717784B1 (de) 2017-11-28 2024-03-06 Ohio State Innovation Foundation Fluidischer oszillator mit variabler charakteristik und fluidoszillator mit dreidimensionalem auskoppelstrahl und zugehörige verfahren
US10718218B2 (en) 2018-03-05 2020-07-21 Rolls-Royce North American Technologies Inc. Turbine blisk with airfoil and rim cooling
EP3976975A4 (de) * 2019-05-29 2023-06-21 Ohio State Innovation Foundation Versetzter gekrümmter fluidischer oszillator
IT202100000296A1 (it) 2021-01-08 2022-07-08 Gen Electric Motore a turbine con paletta avente un insieme di fossette

Citations (4)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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
EP0823539B1 (de) 2002-04-10
EP0823539A2 (de) 1998-02-11
US5876182A (en) 1999-03-02
DE59706939D1 (de) 2002-05-16
DE19632207A1 (de) 1998-02-12

Similar Documents

Publication Publication Date Title
EP0823539A3 (de) Grenzschichtbeeinflussung bei Turbomaschinenschaufeln
GB2322167B (en) Turbine blade
GB2295860B (en) Turbine blade
GB2290833B (en) Turbine blade
AU1277195A (en) Rotor blades
AU1986197A (en) Razor blade assembly
AU2841197A (en) Icing set
EP0685572A3 (de) Beschichtete Klinge aus Hart metallegierung.
AU1533799A (en) Airfoils for wind turbine
ZA975055B (en) Point blades.
AU3660897A (en) Razor blade assembly
AU2184900A (en) Hydropowered turbine system
AU1545095A (en) Blade assembly
AU5502696A (en) Centrifugal gas turbine
AU4972597A (en) Rotor blade
AU3940795A (en) Airfoil section
AU3740497A (en) Razor blade
AU3738295A (en) Multiple-shaft windmills
AU2312395A (en) Turbine blade repair
FR2712630B1 (fr) Rotor de turbomachine segmenté.
AU2891995A (en) Aircraft rotor arrangement
AU5787296A (en) The minchey wind engine
GB2323896B (en) Turbine blade units
AU4097297A (en) Improved fan blade construction
AUPM969094A0 (en) Kat-oscilar - water turbine

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

17P Request for examination filed

Effective date: 19991209

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: ROLLS-ROYCE DEUTSCHLAND GMBH

AKX Designation fees paid

Free format text: DE FR GB

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: ROLLS-ROYCE DEUTSCHLAND LTD & CO KG

17Q First examination report despatched

Effective date: 20010424

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB

RIN1 Information on inventor provided before grant (corrected)

Inventor name: SCHULTE, VOLKER, DR.

REF Corresponds to:

Ref document number: 59706939

Country of ref document: DE

Date of ref document: 20020516

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 20020703

ET Fr: translation filed
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20030113

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20080623

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20080613

Year of fee payment: 12

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20080620

Year of fee payment: 12

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20090717

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20100331

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090731

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20090717

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20100202