PL1714869T3 - Powierzchnia nośna o poprawionych właściwościach w zakresie odrywania w przypadku silnie zmiennego kąta natarcia - Google Patents

Powierzchnia nośna o poprawionych właściwościach w zakresie odrywania w przypadku silnie zmiennego kąta natarcia

Info

Publication number
PL1714869T3
PL1714869T3 PL06006391T PL06006391T PL1714869T3 PL 1714869 T3 PL1714869 T3 PL 1714869T3 PL 06006391 T PL06006391 T PL 06006391T PL 06006391 T PL06006391 T PL 06006391T PL 1714869 T3 PL1714869 T3 PL 1714869T3
Authority
PL
Poland
Prior art keywords
incidence
variable angle
lifting surface
improved separation
under strongly
Prior art date
Application number
PL06006391T
Other languages
English (en)
Inventor
Guido Dietz
Holger Mai
Wolfgang Geissler
Original Assignee
Deutsch Zentr Luft & Raumfahrt
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 Deutsch Zentr Luft & Raumfahrt filed Critical Deutsch Zentr Luft & Raumfahrt
Publication of PL1714869T3 publication Critical patent/PL1714869T3/pl

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C23/00—Influencing air flow over aircraft surfaces, not otherwise provided for
    • B64C23/06—Influencing air flow over aircraft surfaces, not otherwise provided for by generating vortices
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B64C27/467—Aerodynamic features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C3/00—Wings
    • B64C3/10—Shape of wings
    • B64C3/14—Aerofoil profile
    • B64C2003/146—Aerofoil profile comprising leading edges of particular shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C2230/00—Boundary layer controls
    • B64C2230/20—Boundary layer controls by passively inducing fluid flow, e.g. by means of a pressure difference between both ends of a slot or duct
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C2230/00—Boundary layer controls
    • B64C2230/28—Boundary layer controls at propeller or rotor blades
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Wind Motors (AREA)
PL06006391T 2005-04-21 2006-03-28 Powierzchnia nośna o poprawionych właściwościach w zakresie odrywania w przypadku silnie zmiennego kąta natarcia PL1714869T3 (pl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005018427A DE102005018427A1 (de) 2005-04-21 2005-04-21 Auftriebsfläche mit verbessertem Ablöseverhalten bei stark veränderlichem Anstellwinkel
EP06006391A EP1714869B1 (de) 2005-04-21 2006-03-28 Auftriebsfläche mit verbessertem Ablöseverhalten bei stark veränderlichem Anstellwinkel

Publications (1)

Publication Number Publication Date
PL1714869T3 true PL1714869T3 (pl) 2009-06-30

Family

ID=36570421

Family Applications (1)

Application Number Title Priority Date Filing Date
PL06006391T PL1714869T3 (pl) 2005-04-21 2006-03-28 Powierzchnia nośna o poprawionych właściwościach w zakresie odrywania w przypadku silnie zmiennego kąta natarcia

Country Status (3)

Country Link
EP (1) EP1714869B1 (pl)
DE (2) DE102005018427A1 (pl)
PL (1) PL1714869T3 (pl)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006058650B4 (de) * 2006-12-11 2009-11-19 Eads Deutschland Gmbh Tragflügel eines Flugzeugs
US7748958B2 (en) 2006-12-13 2010-07-06 The Boeing Company Vortex generators on rotor blades to delay an onset of large oscillatory pitching moments and increase maximum lift
DE102010041111A1 (de) 2010-09-21 2012-03-22 Deutsches Zentrum für Luft- und Raumfahrt e.V. Rotorblatt mit integrierter passiver Oberflächenklappe
DE102013207640B4 (de) * 2012-10-16 2024-06-20 Wobben Properties Gmbh Windenergieanlagen-Rotorblatt
GB2547933A (en) * 2016-03-03 2017-09-06 Airbus Group Ltd Aircraft wing roughness strip
DE102017107459A1 (de) * 2017-04-06 2018-10-11 Teg Tubercle Engineering Group Gmbh Rotorblatt für eine Windkraftanlage und die Windkraftanlage
CN206954494U (zh) * 2017-06-30 2018-02-02 深圳市大疆创新科技有限公司 螺旋桨、动力组件及飞行器
CN109573017B (zh) * 2018-10-31 2022-11-11 株洲格斯特动力机械有限责任公司 一种自适应迎角的直升机旋翼

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE605663C (de) * 1932-09-09 1934-11-15 Gian Domenico Mattioli Dr Verfahren und Einrichtung zur Erhaltung der Auftriebskraft von Flugzeugtragfluegeln und anderen Quertriebskoerpern beim UEberschreiten des kritischen Anstellwinkels
US4354648A (en) * 1980-02-06 1982-10-19 Gates Learjet Corporation Airstream modification device for airfoils
DE3521329A1 (de) * 1985-06-14 1986-12-18 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Wirbelgeneratoren- und grenzschichtabweiseranordnung
GB8611502D0 (en) * 1986-05-12 1986-06-18 Secr Defence Leading edge devices
US5755408A (en) * 1995-04-03 1998-05-26 Schmidt; Robert N. Fluid flow control devices
ES2157561T3 (es) 1996-11-18 2001-08-16 Lm Glasfiber As El uso de un turbulador para amortiguar vibraciones de perdida en las palas de una turbina eolica.
US6318677B1 (en) * 1999-08-06 2001-11-20 Charles J. Dixon Method and apparatus for generating a stable leading-edge lifting-vortex controller
US6813677B1 (en) 2000-06-02 2004-11-02 Stmicroelectronics, Inc. Memory decoder and method of operation
US6431498B1 (en) * 2000-06-30 2002-08-13 Philip Watts Scalloped wing leading edge

Also Published As

Publication number Publication date
EP1714869B1 (de) 2008-12-24
EP1714869A1 (de) 2006-10-25
DE502006002406D1 (de) 2009-02-05
DE102005018427A1 (de) 2006-11-02

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