EP0823539A3 - Influencing the boundary layer on turbomachinery blades - Google Patents

Influencing the boundary layer on turbomachinery blades 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
German (de)
French (fr)
Other versions
EP0823539A2 (en
EP0823539B1 (en
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/en
Publication of EP0823539A3 publication Critical patent/EP0823539A3/en
Application granted granted Critical
Publication of EP0823539B1 publication Critical patent/EP0823539B1/en
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
EP97112247A 1996-08-09 1997-07-17 Influencing the boundary layer on turbomachinery blades Expired - Lifetime EP0823539B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19632207A DE19632207A1 (en) 1996-08-09 1996-08-09 Process for preventing laminar boundary layer separation on turbomachine blades
DE19632207 1996-08-09

Publications (3)

Publication Number Publication Date
EP0823539A2 EP0823539A2 (en) 1998-02-11
EP0823539A3 true EP0823539A3 (en) 1999-11-10
EP0823539B1 EP0823539B1 (en) 2002-04-10

Family

ID=7802258

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97112247A Expired - Lifetime EP0823539B1 (en) 1996-08-09 1997-07-17 Influencing the boundary layer on turbomachinery blades

Country Status (3)

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

Families Citing this family (25)

* 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 (en) 2003-11-26 2005-07-07 Rolls-Royce Deutschland Ltd & Co Kg Fluid flow machine with fluid removal
DE10355241A1 (en) * 2003-11-26 2005-06-30 Rolls-Royce Deutschland Ltd & Co Kg Fluid flow machine with fluid supply
DE102004030597A1 (en) 2004-06-24 2006-01-26 Rolls-Royce Deutschland Ltd & Co Kg Turbomachine with external wheel jet generation at the stator
DE102004043036A1 (en) 2004-09-06 2006-03-09 Rolls-Royce Deutschland Ltd & Co Kg Fluid flow machine with fluid removal
DE102004055439A1 (en) 2004-11-17 2006-05-24 Rolls-Royce Deutschland Ltd & Co Kg Fluid flow machine with dynamic flow control
US20080149205A1 (en) * 2006-12-20 2008-06-26 General Electric Company System and method for reducing wake
DE102007037924A1 (en) 2007-08-10 2009-02-12 Rolls-Royce Deutschland Ltd & Co Kg Turbomachine with Ringkanalwandausnehmung
DE102008011644A1 (en) 2008-02-28 2009-09-03 Rolls-Royce Deutschland Ltd & Co Kg Housing structuring for axial compressor in the hub area
DE102008031982A1 (en) 2008-07-07 2010-01-14 Rolls-Royce Deutschland Ltd & Co Kg Turbomachine with groove at a trough of a blade end
DE102008037154A1 (en) 2008-08-08 2010-02-11 Rolls-Royce Deutschland Ltd & Co Kg Turbomachine
DE102008052409A1 (en) 2008-10-21 2010-04-22 Rolls-Royce Deutschland Ltd & Co Kg Turbomachine with near-suction edge energization
US8556576B2 (en) * 2010-09-30 2013-10-15 Florida Turbine Technologies, Inc. Cooled IBR for a micro-turbine
JP2015048716A (en) * 2013-08-30 2015-03-16 株式会社東芝 Steam turbine
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
US11149549B2 (en) 2016-08-09 2021-10-19 Mitsubishi Heavy Industries Compressor Corporation Blade of steam turbine and steam turbine
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
US10718218B2 (en) 2018-03-05 2020-07-21 Rolls-Royce North American Technologies Inc. Turbine blisk with airfoil and rim cooling
EP3976975A4 (en) * 2019-05-29 2023-06-21 Ohio State Innovation Foundation Out-of-plane curved fluidic oscillator
IT202100000296A1 (en) 2021-01-08 2022-07-08 Gen Electric TURBINE ENGINE WITH VANE HAVING A SET OF DIMPLES

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 (en) * 1985-02-20 1986-08-21 Hans 8038 Gröbenzell Bischoff Arrangement for influencing the flow on guide or rotor blades for turbo engines
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 (en) 1980-11-15 1982-09-23 Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln Arrangement for influencing the flow on aerodynamic profiles
DE3738366A1 (en) * 1987-11-12 1989-05-24 Deutsche Forsch Luft Raumfahrt METHOD AND DEVICE FOR GENERATING A LAMINAR-TURBULENT BORDER LAYER TRANSITION IN A FLOWED BODY
DE4333865C1 (en) * 1993-10-05 1995-02-16 Mtu Muenchen Gmbh Blade for a gas turbine

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 (en) * 1985-02-20 1986-08-21 Hans 8038 Gröbenzell Bischoff Arrangement for influencing the flow on guide or rotor blades for turbo engines
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
DE19632207A1 (en) 1998-02-12
US5876182A (en) 1999-03-02
EP0823539A2 (en) 1998-02-11
EP0823539B1 (en) 2002-04-10
DE59706939D1 (en) 2002-05-16

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