JP4882089B2 - エアフォイル渦流を低減させるためのシステム及び方法 - Google Patents
エアフォイル渦流を低減させるためのシステム及び方法 Download PDFInfo
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- JP4882089B2 JP4882089B2 JP2008505775A JP2008505775A JP4882089B2 JP 4882089 B2 JP4882089 B2 JP 4882089B2 JP 2008505775 A JP2008505775 A JP 2008505775A JP 2008505775 A JP2008505775 A JP 2008505775A JP 4882089 B2 JP4882089 B2 JP 4882089B2
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- Prior art keywords
- wing
- wing element
- aircraft
- flight direction
- elements
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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
- B64C23/065—Influencing air flow over aircraft surfaces, not otherwise provided for by generating vortices at the wing tips
- B64C23/069—Influencing air flow over aircraft surfaces, not otherwise provided for by generating vortices at the wing tips using one or more wing tip airfoil devices, e.g. winglets, splines, wing tip fences or raked wingtips
- B64C23/076—Influencing air flow over aircraft surfaces, not otherwise provided for by generating vortices at the wing tips using one or more wing tip airfoil devices, e.g. winglets, splines, wing tip fences or raked wingtips the wing tip airfoil devices comprising one or more separate moveable members thereon affecting the vortices, e.g. flaps
-
- 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
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Description
2 コンポーネント
3 エアフォイル又は翼
4 翼の上面
5 翼の下面
6 固定要素
7 第1の翼要素
8 第2の翼要素
9 第1の翼要素
10 第2の翼要素
A 飛行方向の軸
B ヒンジポイント
Claims (7)
- 航空機の後方乱気流を低減させるシステムであって、
航空機の翼(3)の先端部に取り付け可能なコンポーネント(6,7,8,9,10)を備え、
前記システムは、外翼の領域における空気のローリング作用を妨げるために、前記翼の抵抗係数が一定に維持されるように、飛行方向(A)において前記コンポーネントをヒンジ連結で周期的に回動するよう構成される、システム。 - 前記コンポーネントは、翼(4)の上面に位置するとともに、固定要素(6)と、第1及び第2のヒンジ連結された翼要素(7,8)とを備え、前記翼要素は、前記固定要素(6)の下流において左右に並んで配置され、飛行方向(A)において互いに展開可能である、請求項1に記載のシステム。
- 前記コンポーネントは、翼の上面(4)における可動の第1の翼要素(9)と、翼の下面における可動の第2の翼要素(10)と、を備え、前記第2の翼要素は、基本的に第1翼要素(9)とは反対側にある、請求項1に記載のシステム。
- 前記翼要素(7,8,9,10)は、第1位置において、飛行方向に対して基本的に平行となるように延び、第2位置において、第1の翼要素(7,9)が飛行方向の軸(A)に対して、第1の所定の偏向角(δu)をもって外側に折れ曲がり、前記第2の翼要素(8,10)が飛行方向の軸(A)に対して、第2の所定の偏向角(δo)をもって内側に折れ曲がる、請求項2又は3に記載のシステム。
- 外翼の領域における空気のローリング作用を妨げるために、第2位置において、前記翼要素(7,8;9,10)は、外側の端位置と内側の端位置との間で、所定の速度をもってヒンジ連結により周期的に往復する、請求項4に記載のシステム。
- 周期的なヒンジ動作中に、第1及び第2の偏向角(δu,δo)は、翼(3)の抵抗係数を一定に維持する値とされる、請求項5に記載のシステム。
- 請求項1〜6のいずれか1項に記載のシステムを用いて、航空機の後方乱気流を低減させる方法であって、
第1及び第2の翼要素(7,8;9,10)を、第1位置、つまり前記翼要素が飛行方向に延びる軸(A)に対して基本的には平行に延びる位置から、第2位置、つまり第1の翼要素(7;9)が飛行方向に延びる軸(A)に対して第1の所定の偏向角(δu)をもって外側に折れ曲がり、かつ第2の翼要素(8;10)が飛行方向に延びる軸(A)に対して第2の所定の偏向角(δo)をもって内側に折れ曲がる位置へと制御するステップと、
前記第2位置において、第1の端位置と第2の端位置の間で前記翼要素(7,8;9,10)をヒンジ連結で周期的に回動させるステップであって、ヒンジ連結での回動中に、翼(3)の抵抗係数が一定に維持されるように第1及び第2の偏向角(δu,δo)が制御される、ステップと、
を含む、方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US67244405P | 2005-04-18 | 2005-04-18 | |
DE102005017825.1 | 2005-04-18 | ||
DE102005017825A DE102005017825A1 (de) | 2005-04-18 | 2005-04-18 | System und Verfahren zum Reduzieren von Randwirbeln |
US60/672,444 | 2005-04-18 | ||
PCT/EP2006/003091 WO2006111272A1 (en) | 2005-04-18 | 2006-04-05 | System and method for reducing airfoil vortices |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008536742A JP2008536742A (ja) | 2008-09-11 |
JP4882089B2 true JP4882089B2 (ja) | 2012-02-22 |
Family
ID=37067760
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008505775A Expired - Fee Related JP4882089B2 (ja) | 2005-04-18 | 2006-04-05 | エアフォイル渦流を低減させるためのシステム及び方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8061661B2 (ja) |
JP (1) | JP4882089B2 (ja) |
CN (1) | CN100500511C (ja) |
DE (1) | DE102005017825A1 (ja) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2399556C2 (ru) | 2005-04-18 | 2010-09-20 | Эйрбас Дойчланд Гмбх | Система и способ снижения турбулентности в спутном следе летательного аппарата |
DE102007059455A1 (de) | 2007-12-10 | 2009-06-25 | Airbus Deutschland Gmbh | Flügelspitzenverlängerung zur Reduktion von Wirbelschleppen bei Flugzeugen |
US9302766B2 (en) * | 2008-06-20 | 2016-04-05 | Aviation Partners, Inc. | Split blended winglet |
EP2303685B1 (en) | 2008-06-20 | 2015-10-07 | Aviation Partners, Inc. | Curved wing tip |
FR2938085B1 (fr) * | 2008-11-05 | 2010-12-03 | Airbus France | Procede et dispositif d'attenuation des effets d'une turbulence sur un aeronef |
GB201011843D0 (en) * | 2010-07-14 | 2010-09-01 | Airbus Operations Ltd | Wing tip device |
DK2718182T3 (en) * | 2011-06-09 | 2018-06-25 | Aviation Partners Inc | SHARED "BLENDED WINGLET" |
US10040559B2 (en) | 2011-07-24 | 2018-08-07 | The Boeing Company | Reduced flow field velocity for a propulsor |
US8788122B1 (en) * | 2012-08-24 | 2014-07-22 | The Boeing Company | Wing load alleviation methods and apparatus |
US10562613B2 (en) * | 2013-12-04 | 2020-02-18 | Tamarack Aerospace Group, Inc. | Adjustable lift modification wingtip |
US10239606B2 (en) * | 2013-12-04 | 2019-03-26 | Tamarack Aerospace Group, Inc. | Airflow interrupting devices |
EP3269635A1 (en) * | 2016-07-12 | 2018-01-17 | The Aircraft Performance Company UG | Airplane wing |
ES2905192T3 (es) * | 2018-01-15 | 2022-04-07 | The Aircraft Performance Company Gmbh | Ala de avión |
US11724806B2 (en) * | 2020-10-20 | 2023-08-15 | Roland Industries, Inc. | Mono-winged drone |
GB2616252A (en) * | 2022-01-31 | 2023-09-06 | Airbus Operations Ltd | Aircraft with movable wing tip device |
GB2615311A (en) * | 2022-01-31 | 2023-08-09 | Airbus Operations Ltd | Aircraft wing with movable wing tip device |
Citations (2)
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US2846165A (en) * | 1956-06-25 | 1958-08-05 | John A Axelson | Aircraft control system |
US20020066831A1 (en) * | 2000-12-06 | 2002-06-06 | Ngo Hieu T. | Lifting surface with active variable tip member and method for influencing lifting surface behavior therewith |
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US2178908A (en) * | 1937-10-07 | 1939-11-07 | Hudson Richard John Harrington | Hinge mounting for doors, panels, hatchways, or the like |
US2418301A (en) * | 1942-07-24 | 1947-04-01 | Miles Aircraft Ltd | Aircraft supporting surface |
US2643833A (en) * | 1949-09-22 | 1953-06-30 | Ambroise Edmond | Empennage control structure |
DE2149956C3 (de) | 1971-10-07 | 1974-03-28 | Messerschmitt-Boelkow-Blohm Gmbh, 8000 Muenchen | Hochauftriebsflügel |
US3997132A (en) * | 1974-12-11 | 1976-12-14 | The Garrett Corporation | Method and apparatus for controlling tip vortices |
US4017041A (en) * | 1976-01-12 | 1977-04-12 | Nelson Wilbur C | Airfoil tip vortex control |
GB8310224D0 (en) * | 1983-04-15 | 1983-05-18 | British Aerospace | Wing tip arrangement |
US6042059A (en) * | 1997-02-20 | 2000-03-28 | Continuum Dynamics, Inc. | System and method of vortex wake control using vortex leveraging |
RU2174483C2 (ru) | 1998-07-13 | 2001-10-10 | Центральный аэрогидродинамический институт им. проф. Н.Е. Жуковского | Устройство для ослабления вихревого следа механизированного крыла (варианты) |
DE19926832B4 (de) * | 1999-06-12 | 2005-09-15 | Airbus Deutschland Gmbh | Unterschallflugzeug vorzugsweise mit gepfeilten Tragflügeln |
GB0115130D0 (en) | 2001-06-21 | 2001-08-15 | Bae Systems Plc | A winglet |
WO2004002823A1 (en) | 2002-06-26 | 2004-01-08 | Mccarthy Peter T | High efficiency tip vortex reversal and induced drag reduction |
-
2005
- 2005-04-18 DE DE102005017825A patent/DE102005017825A1/de not_active Withdrawn
-
2006
- 2006-04-05 JP JP2008505775A patent/JP4882089B2/ja not_active Expired - Fee Related
- 2006-04-05 CN CNB2006800126855A patent/CN100500511C/zh not_active Expired - Fee Related
- 2006-04-05 US US11/817,852 patent/US8061661B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2846165A (en) * | 1956-06-25 | 1958-08-05 | John A Axelson | Aircraft control system |
US20020066831A1 (en) * | 2000-12-06 | 2002-06-06 | Ngo Hieu T. | Lifting surface with active variable tip member and method for influencing lifting surface behavior therewith |
Also Published As
Publication number | Publication date |
---|---|
DE102005017825A1 (de) | 2006-10-26 |
CN101160236A (zh) | 2008-04-09 |
US8061661B2 (en) | 2011-11-22 |
JP2008536742A (ja) | 2008-09-11 |
CN100500511C (zh) | 2009-06-17 |
US20080116322A1 (en) | 2008-05-22 |
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