FR945397A - Perfectionnement aux aéronefs - Google Patents

Perfectionnement aux aéronefs

Info

Publication number
FR945397A
FR945397A FR945397DA FR945397A FR 945397 A FR945397 A FR 945397A FR 945397D A FR945397D A FR 945397DA FR 945397 A FR945397 A FR 945397A
Authority
FR
France
Prior art keywords
aircraft training
aircraft
training
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
Application number
Other languages
English (en)
Inventor
Marius-Georges-Henri Girodin
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 filed Critical
Application granted granted Critical
Publication of FR945397A publication Critical patent/FR945397A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B64C21/06—Influencing air flow over aircraft surfaces by affecting boundary layer flow by use of slot, ducts, porous areas or the like for 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
    • 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
    • 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
FR945397D 1947-04-04 1947-04-04 Perfectionnement aux aéronefs Expired FR945397A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR945397T 1947-04-04

Publications (1)

Publication Number Publication Date
FR945397A true FR945397A (fr) 1949-05-03

Family

ID=9472278

Family Applications (1)

Application Number Title Priority Date Filing Date
FR945397D Expired FR945397A (fr) 1947-04-04 1947-04-04 Perfectionnement aux aéronefs

Country Status (1)

Country Link
FR (1) FR945397A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3319593A (en) * 1962-12-24 1967-05-16 Papst Hermann Boundary layer control
US3346235A (en) * 1963-12-23 1967-10-10 Papst Hermann Boundary layer control
US3348622A (en) * 1962-12-24 1967-10-24 Papst Hermann Boundary layer control
US3410510A (en) * 1963-12-23 1968-11-12 Papst Hermann Boundary layer control

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3319593A (en) * 1962-12-24 1967-05-16 Papst Hermann Boundary layer control
US3348622A (en) * 1962-12-24 1967-10-24 Papst Hermann Boundary layer control
US3346235A (en) * 1963-12-23 1967-10-10 Papst Hermann Boundary layer control
US3410510A (en) * 1963-12-23 1968-11-12 Papst Hermann Boundary layer control

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