DE3636046A1 - Ground effect compositive wing aircraft - Google Patents

Ground effect compositive wing aircraft

Info

Publication number
DE3636046A1
DE3636046A1 DE19863636046 DE3636046A DE3636046A1 DE 3636046 A1 DE3636046 A1 DE 3636046A1 DE 19863636046 DE19863636046 DE 19863636046 DE 3636046 A DE3636046 A DE 3636046A DE 3636046 A1 DE3636046 A1 DE 3636046A1
Authority
DE
Germany
Prior art keywords
delta
compositive
wing aircraft
ground effect
winglet
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.)
Ceased
Application number
DE19863636046
Other languages
German (de)
Inventor
Dieter M Schulz
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.)
SCHULZ, DIETER, 7083 UNTERGROENINGEN, DE
Original Assignee
Individual
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
Priority claimed from DE19863612911 external-priority patent/DE3612911A1/en
Application filed by Individual filed Critical Individual
Priority to DE19863636046 priority Critical patent/DE3636046A1/en
Priority to DE19863642639 priority patent/DE3642639A1/en
Publication of DE3636046A1 publication Critical patent/DE3636046A1/en
Ceased legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C39/00Aircraft not otherwise provided for
    • B64C39/06Aircraft not otherwise provided for having disc- or ring-shaped wings
    • B64C39/068Aircraft not otherwise provided for having disc- or ring-shaped wings having multiple wings joined at the tips
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60VAIR-CUSHION VEHICLES
    • B60V1/00Air-cushion
    • B60V1/08Air-cushion wherein the cushion is created during forward movement of the vehicle by ram effect
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C39/00Aircraft not otherwise provided for
    • B64C39/10All-wing aircraft
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00Aeronautics or air transport
    • Y02T50/10Drag reduction

Abstract

Published without abstract.

Description

Die vorliegende Erfindung betrifft ein Tragflügelverbund­ flugzeug mit einer deltaförmigen Bodeneffekttragfläche, die über wingletartige Fortsätze und Randbogen mit einer darüberliegenden Rechteck-Stabilisierungsfläche zu einem Tragflügelverbundsystem ergänzt ist.The present invention relates to a wing assembly aircraft with a delta-shaped floor effect wing, the over winglet-like extensions and marginal arches with a Rectangular stabilization surface above to one Wing composite system is supplemented.

Bei Fahrzeugen dieser Art gemäß Patenthauptanmeldung P 36 12 911.1 ist die Wasserstartfähigkeit dadurch ge­ währleistet, daß unter der Deltafläche eine trimaranähn­ liche Schwimmerkonfiguration vorgesehen wird, die aus einem zentralen Hauptrumpf und zwei Stützschwimmern be­ steht.For vehicles of this type according to the main patent application P 36 12 911.1 is the water start ability ge ensures that under the delta area a trimaran-like Liche float configuration is provided that from a central main hull and two support floats stands.

Eine solche Schwimmeranordnung erfordert einen erhebli­ chen Bauaufwand, erzeugt erheblichen aerodynamischen Widerstand und verringert die minimale effektive Flug­ höhe des Bodeneffektsystems.Such a float arrangement requires a considerable amount Chen construction effort, generates considerable aerodynamic Resistance and reduces the minimum effective flight height of the floor effect system.

Aufgabe der Erfindung ist es daher, eine hydrodynamische Lösung zu finden, die wenig Bauaufwand erfordert, geringen aerodynamischen Widerstand hat und die minimale Flughöhe nicht einschränkt.The object of the invention is therefore a hydrodynamic Finding a solution that requires little construction, little has aerodynamic drag and the minimum flight altitude not restricted.

Die Lösung dieser Aufgabe besteht darin, den Deltaflü­ gel zugleich als Bootsrumpf auszulegen.The solution to this problem is the Deltaflü gel also designed as a boat hull.

Um dies für das Tragflügelverbundflugzeug zu erreichen, wird die Deltafläche so gepfeilt, daß ihre Mittellinien­ länge mindestens 60% der Spannweite beträgt. Zusätzlich erhält sie eine leichte positive V-Stellung und ein bi­ konvexes Profil, dessen Unterseite einen bootstypischen Zylinderkoeffizienten für die teilgetauchte Deltafläche ergibt.To achieve this for the composite wing aircraft, the delta area is swept so that its center lines length is at least 60% of the span. In addition it gets a slightly positive V-position and a bi convex profile, the underside of which is typical of a boat Cylinder coefficients for the partially submerged delta area results.

Die Deltaflächenunterseite entspricht bei dieser Auslegung für den getauchten Teil dem Unterwasserschiff eines Gleit­ bootes und kann für leichteres Aufgleiten mit Stufenleisten versehen werden. Um ein klebefreies Abwassern bei fehlender, üblicher Stufe zu gewährleisten, kann die Unterseite der Deltafläche hinter dem Schwerpunkt durch Sauglenzer mit Luftführung sehr stark ventiliert werden. The underside of the delta surface corresponds to this design for the submerged part the underwater ship of a glide bootes and can with step bars for easier sliding be provided. To ensure tack-free sewage in the absence of To ensure the usual level, the bottom of the Delta area behind the center of gravity with suction arm Ventilation can be very strongly ventilated.  

Der aerodynamische Widerstand des hydrodynamisch akti­ ven Flügelteils liegt für die gefundene Auslegung kaum über dem Widerstand, den die Deltafläche ohne Stau­ leisten und Ventilationsklappen zeigt.The aerodynamic resistance of the hydrodynamically active ven wing part is hardly for the interpretation found about the resistance that the delta area has without congestion perform and shows ventilation flaps.

Die minimale Flughöhe entspricht dem Wasserkontakt der Tragfläche und ist somit geringstmöglich.The minimum flight altitude corresponds to the water contact of the Wing and is therefore as small as possible.

Die Abbildung zeigt schematisch eine Beispielkonfigu­ ration, in der bezeichnen:The figure schematically shows an example configuration ration in which designate:

  •  1 die Deltafläche
     2 die Rechteckstabilisierungsfläche
     3 den wingletartigen Übergang
     4 die Mittellinie der Deltafläche mit bikonvexem Profil
     5 die Unterseite der Deltafläche
    1 the delta area
    2 the rectangular stabilization area
    3 the winglet-like transition
    4 the center line of the delta surface with a biconvex profile
    5 the underside of the delta area

Für die Deltaflächenunterseite ist dabei ein Profil zu wählen, dessen Gesamtverdrängung im teilgetauchten Zustand einen Verdrängungsschwerpunkt ergibt, der unter dem für die Flugstabilität zu liegen kommt.A profile is closed for the underside of the delta area choose its total displacement in the partially submerged state results in a center of displacement that is below that for the flight stability comes to rest.

Eine geringe Dickenrücklage gewährleistet neben nur mäßigen Entwölbungseffekten im bodennahen Flug sehr geringe Saugten­ denzen für die Phase des hydrodynamischen Angleitens.A small thickness reserve ensures only moderate Deflection effects in low-level flight very little suction for the phase of hydrodynamic planing.

Claims (1)

Bodeneffekt-Tragflügelverbundflugzeug mit einer Deltafläche und einer darüberliegenden, rechteckigen Stabilisierungsfläche, die im Bereich der größten Spannweite durch wingletartige Fortsätze und ringförmige Randbogen verbunden sind gemäß der Patentanmeldung P 36 12 911.9, dadurch gekennzeichnet, daß die Deltafläche (1), die über wingletartige Fortsätze (3) mit der darüberliegenden Rechteck­ fläche (2) verbunden ist, ein bikonvexes Profil (4) erhält, das bei ausreichender Pfeilung der Deltafläche für deren Unterseite (5) im getauchten Zustand die Ver­ drängungscharakteristik eines hydrodynamischen Gleit­ körpers ergibt.Ground-effect wing composite aircraft with a delta surface and an overlying, rectangular stabilization surface, which are connected in the area of the greatest span by winglet-like extensions and ring-shaped edge bows according to patent application P 36 12 911.9, characterized in that the delta surface ( 1 ), which is connected via winglet-like extensions ( 3 ) connected to the rectangular surface above ( 2 ), receives a biconvex profile ( 4 ) which, with sufficient sweeping of the delta surface for its underside ( 5 ) in the submerged state, gives the displacement characteristic of a hydrodynamic sliding body.
DE19863636046 1986-04-17 1986-10-23 Ground effect compositive wing aircraft Ceased DE3636046A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE19863636046 DE3636046A1 (en) 1986-04-17 1986-10-23 Ground effect compositive wing aircraft
DE19863642639 DE3642639A1 (en) 1986-04-17 1986-12-13 Ground-effect composite-wing (mainplane) aircraft

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863612911 DE3612911A1 (en) 1986-04-17 1986-04-17 Ground-effect wing composite aircraft
DE19863636046 DE3636046A1 (en) 1986-04-17 1986-10-23 Ground effect compositive wing aircraft

Publications (1)

Publication Number Publication Date
DE3636046A1 true DE3636046A1 (en) 1988-04-28

Family

ID=25842956

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19863636046 Ceased DE3636046A1 (en) 1986-04-17 1986-10-23 Ground effect compositive wing aircraft

Country Status (1)

Country Link
DE (1) DE3636046A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0434486A1 (en) * 1989-12-15 1991-06-26 Lucien Cabrol Passenger or cargo vehicle able to travel over a water surface
CN105416587A (en) * 2015-12-02 2016-03-23 中国商用飞机有限责任公司北京民用飞机技术研究中心 Aerodynamic layout of aircraft with blended wing body

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0434486A1 (en) * 1989-12-15 1991-06-26 Lucien Cabrol Passenger or cargo vehicle able to travel over a water surface
CN105416587A (en) * 2015-12-02 2016-03-23 中国商用飞机有限责任公司北京民用飞机技术研究中心 Aerodynamic layout of aircraft with blended wing body

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