ZA200803980B - Controlling the boundary layer of an airfoil - Google Patents

Controlling the boundary layer of an airfoil

Info

Publication number
ZA200803980B
ZA200803980B ZA200803980A ZA200803980A ZA200803980B ZA 200803980 B ZA200803980 B ZA 200803980B ZA 200803980 A ZA200803980 A ZA 200803980A ZA 200803980 A ZA200803980 A ZA 200803980A ZA 200803980 B ZA200803980 B ZA 200803980B
Authority
ZA
South Africa
Prior art keywords
airfoil
controlling
boundary layer
flap deflection
laminar flow
Prior art date
Application number
ZA200803980A
Other languages
English (en)
Inventor
Jonker Adrianus Stefanus
Bosman Johannes Jacobus
Original Assignee
Univ Northwest
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 Univ Northwest filed Critical Univ Northwest
Priority to ZA200803980A priority Critical patent/ZA200803980B/xx
Publication of ZA200803980B publication Critical patent/ZA200803980B/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C9/00—Adjustable control surfaces or members, e.g. rudders
    • B64C9/14—Adjustable control surfaces or members, e.g. rudders forming slots
    • B64C9/16—Adjustable control surfaces or members, e.g. rudders forming slots at the rear of the wing
    • B64C9/18—Adjustable control surfaces or members, e.g. rudders forming slots at the rear of the wing by single flaps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C21/00—Influencing air flow over aircraft surfaces by affecting boundary layer flow
    • B64C21/02—Influencing air flow over aircraft surfaces by affecting boundary layer flow by use of slot, ducts, porous areas or the like
    • B64C21/025—Influencing air flow over aircraft surfaces by affecting boundary layer flow by use of slot, ducts, porous areas or the like for simultaneous blowing and sucking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C2230/00—Boundary layer controls
    • B64C2230/04—Boundary layer controls by actively generating fluid flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C2230/00—Boundary layer controls
    • B64C2230/06—Boundary layer controls by explicitly adjusting fluid flow, e.g. by using valves, variable aperture or slot areas, variable pump action or variable fluid pressure
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/10—Drag reduction
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/30—Wing lift efficiency

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Wind Motors (AREA)
  • Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
  • Slot Machines And Peripheral Devices (AREA)
ZA200803980A 2005-12-20 2008-05-08 Controlling the boundary layer of an airfoil ZA200803980B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA200803980A ZA200803980B (en) 2005-12-20 2008-05-08 Controlling the boundary layer of an airfoil

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA200510346 2005-12-20
ZA200803980A ZA200803980B (en) 2005-12-20 2008-05-08 Controlling the boundary layer of an airfoil

Publications (1)

Publication Number Publication Date
ZA200803980B true ZA200803980B (en) 2009-03-25

Family

ID=38179456

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200803980A ZA200803980B (en) 2005-12-20 2008-05-08 Controlling the boundary layer of an airfoil

Country Status (8)

Country Link
US (1) US8251319B2 (xx)
EP (1) EP1966044B1 (xx)
AT (1) ATE438560T1 (xx)
DE (1) DE602006008351D1 (xx)
PL (1) PL1966044T3 (xx)
RU (1) RU2406648C2 (xx)
WO (1) WO2007072259A2 (xx)
ZA (1) ZA200803980B (xx)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008033005A1 (de) * 2008-07-14 2010-03-18 Airbus Deutschland Gmbh Aerodynamische Klappe und Flügel
DE102009006145A1 (de) * 2009-01-26 2010-08-12 Airbus Deutschland Gmbh Hochauftriebsklappe, Anordnung einer Hochauftriebsklappe mit einer Vorrichtung zur Strömungsbeeinflussung an derselben sowie Flugzeug mit einer derartigen Anordnung
DE102009011662A1 (de) 2009-03-04 2010-09-09 Airbus Deutschland Gmbh Tragflügel eines Flugzeugs sowie Anordnung eines Tragflügels mit einer Vorrichtung zur Strömungsbeeinflussung
WO2013172914A2 (en) * 2012-02-27 2013-11-21 Sinhatech Self adjusting deturbulator enhanced flap and wind deflector
EP2644496B1 (en) 2012-03-29 2015-07-01 Airbus Operations GmbH Surface element for an aircraft, aircraft and method for improving high-lift generation on a surface element
JP5956803B2 (ja) * 2012-03-29 2016-07-27 一般社団法人日本航空宇宙工業会 飛行体の高揚力装置
EP2644497B1 (en) * 2012-03-29 2016-01-20 Airbus Operations GmbH Wing for an aircraft, aircraft and method for reducing aerodynamic drag and improving maximum lift
DE102012112405B4 (de) * 2012-12-17 2017-06-08 Airbus Defence and Space GmbH Gekrümmter Flügelabschnitt mit einer schwenkbaren Hinterkantenklappe
DE102013109489B4 (de) * 2013-08-30 2017-05-11 Deutsches Zentrum für Luft- und Raumfahrt e.V. Aerodynamisches Bauteil mit einem Strukturelement zur Ausbildung einer Oberfläche mit veränderlicher Luftdurchlässigkeit
US10315754B2 (en) 2016-06-10 2019-06-11 Coflow Jet, LLC Fluid systems that include a co-flow jet
US10106246B2 (en) 2016-06-10 2018-10-23 Coflow Jet, LLC Fluid systems that include a co-flow jet
US10532805B2 (en) * 2016-09-20 2020-01-14 Gulfstream Aerospace Corporation Airfoil for an aircraft having reduced noise generation
US9815545B1 (en) 2017-02-28 2017-11-14 Steering Financial Ltd. Aerodynamic lifting system
US10683076B2 (en) 2017-10-31 2020-06-16 Coflow Jet, LLC Fluid systems that include a co-flow jet
US11293293B2 (en) 2018-01-22 2022-04-05 Coflow Jet, LLC Turbomachines that include a casing treatment
US11111025B2 (en) 2018-06-22 2021-09-07 Coflow Jet, LLC Fluid systems that prevent the formation of ice
GB2600584B (en) 2019-07-23 2024-03-06 Coflow Jet Llc Fluid systems and methods that address flow separation
CN113148148B (zh) * 2021-04-20 2022-03-29 南京航空航天大学 一种地效飞行器的增稳环量控制方法及增稳型地效飞行器
US12098699B2 (en) 2023-01-11 2024-09-24 King Fahd University Of Petroleum And Minerals Cut-in-speed reduction of wind blades by creating blowing and suction

Family Cites Families (15)

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Publication number Priority date Publication date Assignee Title
US2833492A (en) * 1955-02-07 1958-05-06 Harlan D Fowler Boundary layer control system with aerodynamic glove
US3159362A (en) * 1959-04-15 1964-12-01 Laing Nikolans Lifting and propulsion means for aircraft
US4074878A (en) * 1975-06-23 1978-02-21 Sherman Irving R Programmed flap system for an aircraft having wings
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
US4575030A (en) * 1982-09-13 1986-03-11 The Boeing Company Laminar flow control airfoil
US5114100A (en) 1989-12-29 1992-05-19 The Boeing Company Anti-icing system for aircraft
US5115996A (en) * 1990-01-31 1992-05-26 Moller International, Inc. Vtol aircraft
US5253828A (en) * 1992-07-17 1993-10-19 The Board Of Regents Of The University Of Oklahoma Concealable flap-actuated vortex generator
US5590854A (en) * 1994-11-02 1997-01-07 Shatz; Solomon Movable sheet for laminar flow and deicing
DE29817545U1 (de) 1997-02-20 1999-07-01 Droxner, Thomas, Dipl.-Ing.(FH), 82229 Seefeld Kombinierte Spalt- und Wölbklappe
US6167829B1 (en) * 1997-10-09 2001-01-02 Thomas G. Lang Low-drag, high-speed ship
DE10339030B4 (de) * 2003-08-25 2005-11-03 Man Technologie Ag Tragstruktur für eine ein- und ausfahrbare Klappe und deren Verwendung
DE102004024057B3 (de) 2004-05-13 2005-09-15 Airbus Deutschland Gmbh Luftfahrzeug mit einem Fluidkanalsystem
US7134631B2 (en) * 2004-06-10 2006-11-14 Loth John L Vorticity cancellation at trailing edge for induced drag elimination
IL165233A (en) * 2004-11-16 2013-06-27 Israel Hirshberg Energy conversion facility

Also Published As

Publication number Publication date
WO2007072259A3 (en) 2007-10-25
US20100270434A1 (en) 2010-10-28
DE602006008351D1 (de) 2009-09-17
RU2406648C2 (ru) 2010-12-20
RU2008129684A (ru) 2010-01-27
EP1966044B1 (en) 2009-08-05
EP1966044A2 (en) 2008-09-10
WO2007072259A2 (en) 2007-06-28
US8251319B2 (en) 2012-08-28
ATE438560T1 (de) 2009-08-15
PL1966044T3 (pl) 2010-02-26

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