JP5205284B2 - エーロフォイル渦を弱体化させるシステムおよび方法 - Google Patents
エーロフォイル渦を弱体化させるシステムおよび方法 Download PDFInfo
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- 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
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- 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
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- 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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- Aviation & Aerospace Engineering (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Jet Pumps And Other Pumps (AREA)
- Processing Of Solid Wastes (AREA)
Description
Claims (10)
- 航空機システムにおいて、
第1および第2の対向する流れ面と、先端部(1520)とを有するエーロフォイルと、
前記エーロフォイルにより保持される渦消散デバイス(1530、2230)とを具備し、
前記渦消散デバイス(1530、2230)は、
加圧された流体の源に結合可能な流体フローノズル(1590)であり、各流体フローノズル(1590)が、前記先端部(1520)から外に流体の流れを方向付けるように位置付けられたオリフィス(1591)を有する流体フローノズル(1590)と、
前記流体フローノズル(1590)と流体連通するように結合され、前記オリフィス(1591)を通過する流れを選択的に制御するバルブデバイス(2231)と、
前記バルブデバイス(2231)に動作可能に結合され、前記オリフィス(1591)を通して流れのパルスを送り出すように前記バルブデバイス(2231)の動作を指示する制御装置(2233)とを含む、航空機システムであって、
前記ノズルは、前記エーロフォイルの第1の流れ面の方に位置付けられた第1の列と、前記エーロフォイルの第2の流れ面の方に位置付けられた第2の列とを含む少なくとも2つの列(1594)に配列され、
前記制御装置は、前記第2の列におけるノズルのオリフィスを作動させないようにしている間に、前記第1の列におけるノズルのオリフィスを選択的に作動させ、前記第1の列におけるノズルのオリフィスを作動させないようにしている間に、前記第2の列におけるノズルのオリフィスを選択的に作動させるように前記バルブデバイスに指示することを特徴とする航空機システム。 - 前記オリフィス(1591)は、前記先端部の面(1521)に位置付けられている請求項1記載のシステム。
- 前記制御装置(2233)は、約1Hzから約10Hzまでの周波数で、前記オリフィス(1591)を通して流れのパルスを送り出すように前記バルブデバイス(2231)に指示する請求項1または2のいずれか1項記載のシステム。
- 翼(2314)をさらに具備し、
前記オリフィス(1591)は第1のオリフィスであり、
前記翼は、先端部(2324)を有する配備可能な高揚力デバイス(2332)を含み、
前記渦消散デバイス(1530、2230)は第2の流体フローノズル(2330c)を含み、各第2の流体フローノズルは前記高揚力デバイスの先端部から外に流体の流れを方向付けるために、前記高揚力デバイスの先端部(2324)に位置付けられたオリフィスを有し、
前記第2の流体フローノズルは、前記加圧された流体の源に結合できる請求項1ないし3のいずれか1項記載のシステム。 - 前記制御装置(2233)は、オリフィスに対してステップパルスを供給するように前記バルブデバイス(2231)に指示するための命令を含む請求項1ないし4のいずれか1項記載のシステム。
- 前記制御装置(2233)は、流体の流れを漸進的に増加する又は漸進的に減少するパルス状に変化させるように前記バルブデバイス(2231)に指示するための命令を含む請求項1ないし4のいずれか1項記載のシステム。
- エーロフォイルシステムを動作させる方法において、
エーロフォイルにより揚力を発生させる間に、前記エーロフォイルを大気に通過させることにより、翼先端部の渦を発生させることと、
前記エーロフォイルの前記先端部(1520)から外に複数の流体をパルス状に排出することにより、前記渦を少なくとも部分的に消散させることとを含み、
複数の流体をパルス状に排出することは、第1および第2の列(1594)に配列された複数のオリフィスを通して複数の流体をパルス状に排出することを含み、
前記方法は、前記第2の列におけるノズルのオリフィス(1591)を作動させないようにしている間に、前記第1の列におけるノズルのオリフィスを作動させることと、前記第1の列におけるノズルのオリフィスを作動させないようにしている間に、前記第2の列におけるノズルのオリフィスを作動させることとをさらに含む方法。 - 複数の流体をパルス状に排出することは、約1Hzから約10Hzまでの周波数で複数の流体をパルス状に排出することを含む請求項7記載の方法。
- 複数の流体をパルス状に排出することは、前記オリフィスを通してステップ関数を有するパルス状に変化された流体を排出することを含む請求項7または8のいずれか1項記載の方法。
- 複数の流体をパルス状に排出することは、前記オリフィスを通して漸進的に増加する又は漸進的に減少するパルス状に変化された流体を排出することを含む請求項7または8のいずれか1項記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US11/370,099 | 2006-03-07 | ||
US11/370,099 US7661629B2 (en) | 2004-02-20 | 2006-03-07 | Systems and methods for destabilizing an airfoil vortex |
PCT/US2007/005253 WO2008051269A2 (en) | 2006-03-07 | 2007-03-02 | Systems and methods for destabilizing an airfoil vortex |
Publications (3)
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JP2009533259A JP2009533259A (ja) | 2009-09-17 |
JP2009533259A5 JP2009533259A5 (ja) | 2010-04-15 |
JP5205284B2 true JP5205284B2 (ja) | 2013-06-05 |
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JP2008558306A Active JP5205284B2 (ja) | 2006-03-07 | 2007-03-02 | エーロフォイル渦を弱体化させるシステムおよび方法 |
Country Status (6)
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US (1) | US7661629B2 (ja) |
EP (1) | EP1999014B1 (ja) |
JP (1) | JP5205284B2 (ja) |
AT (1) | ATE465944T1 (ja) |
DE (1) | DE602007006170D1 (ja) |
WO (1) | WO2008051269A2 (ja) |
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2007
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ATE465944T1 (de) | 2010-05-15 |
DE602007006170D1 (de) | 2010-06-10 |
WO2008051269B1 (en) | 2008-09-12 |
US7661629B2 (en) | 2010-02-16 |
WO2008051269A2 (en) | 2008-05-02 |
EP1999014A2 (en) | 2008-12-10 |
JP2009533259A (ja) | 2009-09-17 |
EP1999014B1 (en) | 2010-04-28 |
WO2008051269A3 (en) | 2008-07-24 |
US20090173835A1 (en) | 2009-07-09 |
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