FR2704513B1 - Perfectionnements aux profils aero- et hydro-dynamiques dits nlf (pour "natural laminar flow"). - Google Patents

Perfectionnements aux profils aero- et hydro-dynamiques dits nlf (pour "natural laminar flow").

Info

Publication number
FR2704513B1
FR2704513B1 FR9304942A FR9304942A FR2704513B1 FR 2704513 B1 FR2704513 B1 FR 2704513B1 FR 9304942 A FR9304942 A FR 9304942A FR 9304942 A FR9304942 A FR 9304942A FR 2704513 B1 FR2704513 B1 FR 2704513B1
Authority
FR
France
Prior art keywords
nlf
aero
hydro
laminar flow
dynamic profiles
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.)
Expired - Fee Related
Application number
FR9304942A
Other languages
English (en)
Other versions
FR2704513A1 (fr
Inventor
Quilici Jean-Francois
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.)
OUTIL
Original Assignee
OUTIL
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 OUTIL filed Critical OUTIL
Priority to FR9304942A priority Critical patent/FR2704513B1/fr
Publication of FR2704513A1 publication Critical patent/FR2704513A1/fr
Application granted granted Critical
Publication of FR2704513B1 publication Critical patent/FR2704513B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C3/00—Wings
    • B64C3/10—Shape of wings
    • B64C3/14—Aerofoil profile
    • 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
    • B64C3/00—Wings
    • B64C3/10—Shape of wings
    • B64C3/14—Aerofoil profile
    • B64C2003/148—Aerofoil profile comprising protuberances, e.g. for modifying boundary layer 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
    • 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
    • B64C2230/22—Boundary layer controls by using a surface having multiple apertures of relatively small openings other than slots
    • 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)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
FR9304942A 1993-04-27 1993-04-27 Perfectionnements aux profils aero- et hydro-dynamiques dits nlf (pour "natural laminar flow"). Expired - Fee Related FR2704513B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9304942A FR2704513B1 (fr) 1993-04-27 1993-04-27 Perfectionnements aux profils aero- et hydro-dynamiques dits nlf (pour "natural laminar flow").

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9304942A FR2704513B1 (fr) 1993-04-27 1993-04-27 Perfectionnements aux profils aero- et hydro-dynamiques dits nlf (pour "natural laminar flow").

Publications (2)

Publication Number Publication Date
FR2704513A1 FR2704513A1 (fr) 1994-11-04
FR2704513B1 true FR2704513B1 (fr) 1995-07-21

Family

ID=9446476

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9304942A Expired - Fee Related FR2704513B1 (fr) 1993-04-27 1993-04-27 Perfectionnements aux profils aero- et hydro-dynamiques dits nlf (pour "natural laminar flow").

Country Status (1)

Country Link
FR (1) FR2704513B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2766454B1 (fr) 1997-07-28 1999-09-24 Jean Francois Charles Quilici Avions et planeurs ultralegers a suspension antirafales
EP3187412B1 (fr) * 2015-12-30 2020-03-11 Airbus Defence and Space GmbH Aile d'avion avec bosses de contrôle d'onde de choc adaptatives

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1580577A (en) * 1923-11-26 1926-04-13 Baumann Ernst Karl Alexander Aeroplane
FR2255211A1 (en) * 1973-12-20 1975-07-18 Quilici Jean Francois Controllable wing section for light aircraft - has flexible surfaces responding to variable internal pressure
US4117995A (en) * 1977-02-28 1978-10-03 Runge Thomas M Aircraft wing lift augmentation device
DE3517007A1 (de) * 1985-05-09 1986-11-13 Walter Dr.-Ing. 1000 Berlin Kik Stoffrippe zur segelprofilierung

Also Published As

Publication number Publication date
FR2704513A1 (fr) 1994-11-04

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Legal Events

Date Code Title Description
ST Notification of lapse