JP2002511040A - 航空機のロータ用のブレードプロフィルおよびこのプロフィルを有するロータ用のブレード - Google Patents
航空機のロータ用のブレードプロフィルおよびこのプロフィルを有するロータ用のブレードInfo
- Publication number
- JP2002511040A JP2002511040A JP50531099A JP50531099A JP2002511040A JP 2002511040 A JP2002511040 A JP 2002511040A JP 50531099 A JP50531099 A JP 50531099A JP 50531099 A JP50531099 A JP 50531099A JP 2002511040 A JP2002511040 A JP 2002511040A
- Authority
- JP
- Japan
- Prior art keywords
- profile
- blade
- relative thickness
- thickness
- maximum
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/46—Blades
- B64C27/467—Aerodynamic features
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S416/00—Fluid reaction surfaces, i.e. impellers
- Y10S416/02—Formulas of curves
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.前縁部(1A)および後縁部(1B)間に背面(2)および腹面(3)を有 しており、それらから等距離の点の幾何学的軌跡によってキャンバが形成された 回転翼航空機のロータ用のブレードプロフィルであって、 最大厚さに対する最大キャンバの比がプロフィル(1)の相対厚さに対応して 線形変化し、翼弦(C)の7%の相対厚さでは0.13から0.19の範囲にあ り、翼弦(C)の15%の相対厚さでは0.18から0.24の範囲にあること を特徴とするブレードプロフィル。 2.最大厚さに対する最大キャンバの比が相対厚さの関数として展開する法則が 方程式: (c/C)max/(e/C)max=a3+b3(e/C)max で表され、係数a3および係数b3の値は、 a3=0.1177、 b3=0.6114 であることを特徴とする請求項1記載のブレードプロフィル。 3.最大キャンバの位置は、プロフィル(1)の相対厚さに対応して線形展開し 、7%の相対厚さでは翼弦(C)の14%から16%の範囲にあり、15%の相 対厚さでは翼弦(C)の27%から29%の範囲にあることを特徴とする請求項 1あるいは2に記載のブレードプロフィル。 4.最大キャンバの位置の展開の法則が方程式: Xcmax/C=a2+b2(e/C)max で表され、係数a2および係数b2の値は、 a2=0.0321、 b2=1.6499 であることを特徴とする請求項1〜3のいずれか一項に記載のブレードプロフィ ル。 5.翼弦(C)の20%での厚さと最大厚さとの間の比は、相対厚さに対応して 線形変化し、7%の相対厚さでは0.957から0.966の範囲にあり、15 %の相対厚さでは0.938から0.947の範囲にあることを特徴とする請求 の範囲第1項から第4項までのいずれか一項に記載のブレードプロフィル。 6.この比の展開の法則が方程式: で表され、係数a1および係数b1の値は、 a1=0.9779、 b1=−0.2305 であることを特徴とする請求項5に記載のブレードプロフィル。 7.最大相対厚さ位置は、翼弦(C)の31%から35%の範囲にあることを特 徴とする請求項1〜6のいずれか一項に記載のブレードプロフィル。 8.請求項1〜7のいずれか一項に記載のプロフィルを有することを特徴とする 回転翼航空機のロータ用のブレード。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR97/07915 | 1997-06-25 | ||
FR9707915A FR2765187B1 (fr) | 1997-06-25 | 1997-06-25 | Profil de pale pour voilure tournante d'aeronef et pale pour voilure tournante presentant un tel profil |
PCT/FR1998/001147 WO1999000298A1 (fr) | 1997-06-25 | 1998-06-05 | Profil de pale pour voilure tournante d'aeronef et pale pour voilure tournante presentant un tel profil |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2002511040A true JP2002511040A (ja) | 2002-04-09 |
JP3998103B2 JP3998103B2 (ja) | 2007-10-24 |
Family
ID=9508394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50531099A Expired - Lifetime JP3998103B2 (ja) | 1997-06-25 | 1998-06-05 | 航空機のロータ用のブレードプロフィルおよびこのプロフィルを有するロータ用のブレード |
Country Status (9)
Country | Link |
---|---|
US (1) | US6361279B1 (ja) |
EP (1) | EP0991569B1 (ja) |
JP (1) | JP3998103B2 (ja) |
CN (1) | CN1084696C (ja) |
DE (1) | DE69807333T2 (ja) |
FR (1) | FR2765187B1 (ja) |
RU (1) | RU2191717C2 (ja) |
WO (1) | WO1999000298A1 (ja) |
ZA (1) | ZA985281B (ja) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050008488A1 (en) * | 2002-01-18 | 2005-01-13 | Brueckner Manfred Karl | Sky turbine that may be mounted on top of a city |
US7131812B2 (en) * | 2002-01-18 | 2006-11-07 | Manfred Karl Brueckner | Sky turbine that is mounted on a city |
JP4318940B2 (ja) * | 2002-10-08 | 2009-08-26 | 本田技研工業株式会社 | 圧縮機翼型 |
US7854593B2 (en) * | 2006-02-16 | 2010-12-21 | Sikorsky Aircraft Corporation | Airfoil for a helicopter rotor blade |
US8016566B2 (en) * | 2006-08-03 | 2011-09-13 | Bell Helicopter Textron Inc. | High performance low noise rotorcraft blade aerodynamic design |
GB2467945B (en) * | 2009-02-20 | 2014-03-05 | Westland Helicopters | Device which is subject to fluid flow |
JP4402160B1 (ja) * | 2009-03-02 | 2010-01-20 | 山田 正明 | 模型回転翼航空機の回転翼、及びその回転翼の製造方法 |
US9284050B2 (en) | 2011-12-09 | 2016-03-15 | Sikorsky Aircraft Corporation | Airfoil for rotor blade with reduced pitching moment |
CN102963522B (zh) * | 2012-10-31 | 2015-04-22 | 中国航天空气动力技术研究院 | 临近空间螺旋桨 |
GB2524828A (en) * | 2014-04-04 | 2015-10-07 | Airbus Operations Ltd | An aircraft comprising a foldable aerodynamic structure and a method of manufacturing a foldable aerodynamic structure for an aircraft |
CN104176234B (zh) * | 2014-08-19 | 2016-03-02 | 西北工业大学 | 一种具有高升阻比滑翔特性的仿翼龙翼型 |
WO2016174617A1 (en) * | 2015-04-29 | 2016-11-03 | Universiti Brunei Darussalam | Low reynolds number airfoil for a wind turbine blade and method thereof |
EP3112258B1 (en) | 2015-07-03 | 2017-09-13 | AIRBUS HELICOPTERS DEUTSCHLAND GmbH | Airfoils for rotor blades of rotary wing aircrafts |
US9868525B2 (en) * | 2015-09-25 | 2018-01-16 | The Boeing Company | Low speed airfoil design for aerodynamic improved performance of UAVs |
CN105584625B (zh) * | 2016-03-02 | 2018-08-07 | 深圳市道通智能航空技术有限公司 | 一种螺旋桨及飞行器 |
CN106043688A (zh) * | 2016-06-08 | 2016-10-26 | 南京航空航天大学 | 一种直升机旋翼翼型 |
US10710705B2 (en) * | 2017-06-28 | 2020-07-14 | General Electric Company | Open rotor and airfoil therefor |
GB2568738A (en) * | 2017-11-27 | 2019-05-29 | Airbus Operations Ltd | An improved interface between an outer end of a wing and a moveable wing tip device |
FR3075757B1 (fr) | 2017-12-22 | 2019-11-15 | Airbus Helicopters | Enveloppes aerodynamiques epaisses pour cols de pales et carenages de manchons de pales d'un rotor d'un aeronef |
FR3077803B1 (fr) | 2018-02-15 | 2020-07-31 | Airbus Helicopters | Methode d'amelioration d'une pale afin d'augmenter son incidence negative de decrochage |
FR3077802B1 (fr) | 2018-02-15 | 2020-09-11 | Airbus Helicopters | Methode de determination d'un cercle initial de bord d'attaque des profils aerodynamiques d'une pale et d'amelioration de la pale afin d'augmenter son incidence negative de decrochage |
GB2572150A (en) * | 2018-03-19 | 2019-09-25 | Airbus Operations Ltd | A moveable wing tip device an outer end of a wing, and interface therebetween |
GB2574391A (en) * | 2018-05-31 | 2019-12-11 | Airbus Operations Ltd | An aircraft wing and wing tip device |
WO2021109479A1 (zh) * | 2019-12-06 | 2021-06-10 | 北京二郎神科技有限公司 | 旋翼飞行器的桨叶、旋翼及旋翼飞行器 |
FR3110893B1 (fr) | 2020-05-29 | 2022-07-01 | Airbus Helicopters | Méthode de construction d’une pale de rotor destinée à un giravion, pales et giravion |
FR3115012B1 (fr) | 2020-10-13 | 2022-08-26 | Airbus Helicopters | Méthode d’amélioration du comportement aérodynamique de pales d’un giravion en vol stationnaire par un déplacement du bord d’attaque des profils aérodynamiques de ces pales |
RU2752502C1 (ru) * | 2020-12-18 | 2021-07-28 | Акционерное общество "Национальный центр вертолетостроения им. М.Л. Миля и Н.И. Камова" (АО "НЦВ Миль и Камов") | Аэродинамический профиль несущего элемента летательного аппарата |
RU2769545C1 (ru) * | 2021-05-14 | 2022-04-04 | Акционерное общество "Национальный центр вертолетостроения им. М.Л. Миля и Н.И. Камова" (АО "НЦВ Миль и Камов") | Аэродинамический профиль несущего элемента летательного аппарата |
Family Cites Families (15)
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US3728045A (en) | 1971-09-22 | 1973-04-17 | United Aircraft Corp | Helicopter blade |
US4142837A (en) | 1977-11-11 | 1979-03-06 | United Technologies Corporation | Helicopter blade |
US4459083A (en) * | 1979-03-06 | 1984-07-10 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Shapes for rotating airfoils |
FR2485470A2 (fr) | 1980-06-30 | 1981-12-31 | Aerospatiale | Profil de pale pour voilure tournante d'aeronef |
FR2463054A1 (fr) | 1979-08-10 | 1981-02-20 | Aerospatiale | Profil de pale pour voilure tournante d'aeronef |
US4314795A (en) | 1979-09-28 | 1982-02-09 | The Boeing Company | Advanced airfoils for helicopter rotor application |
FR2479132A1 (fr) * | 1980-03-25 | 1981-10-02 | Aerospatiale | Pale a hautes performances pour rotor d'helicoptere |
FR2490586A1 (fr) * | 1980-09-24 | 1982-03-26 | Aerospatiale | Profil de pale pour voilure tournante d'aeronef |
US4412664A (en) * | 1982-06-25 | 1983-11-01 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Family of airfoil shapes for rotating blades |
US4569633A (en) | 1983-04-18 | 1986-02-11 | United Technologies Corporation | Airfoil section for a rotor blade of a rotorcraft |
US4744728A (en) | 1986-09-03 | 1988-05-17 | United Technologies Corporation | Helicopter blade airfoil |
FR2626841B1 (fr) * | 1988-02-05 | 1995-07-28 | Onera (Off Nat Aerospatiale) | Profils pour pale d'helice aerienne carenee |
US4830574A (en) * | 1988-02-29 | 1989-05-16 | United Technologies Corporation | Airfoiled blade |
JP2633413B2 (ja) | 1991-06-03 | 1997-07-23 | 富士重工業株式会社 | 回転翼航空機の回転翼羽根 |
US5909543A (en) | 1994-11-30 | 1999-06-01 | Canon Kabushiki Kaisha | Communication conference system and communication conference apparatus |
-
1997
- 1997-06-25 FR FR9707915A patent/FR2765187B1/fr not_active Expired - Lifetime
-
1998
- 1998-06-05 JP JP50531099A patent/JP3998103B2/ja not_active Expired - Lifetime
- 1998-06-05 DE DE69807333T patent/DE69807333T2/de not_active Expired - Lifetime
- 1998-06-05 CN CN98804516A patent/CN1084696C/zh not_active Expired - Lifetime
- 1998-06-05 US US09/355,353 patent/US6361279B1/en not_active Expired - Lifetime
- 1998-06-05 RU RU2000101837/28A patent/RU2191717C2/ru active
- 1998-06-05 EP EP98929498A patent/EP0991569B1/fr not_active Expired - Lifetime
- 1998-06-05 WO PCT/FR1998/001147 patent/WO1999000298A1/fr active IP Right Grant
- 1998-06-18 ZA ZA985281A patent/ZA985281B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
RU2191717C2 (ru) | 2002-10-27 |
EP0991569B1 (fr) | 2002-08-21 |
WO1999000298A1 (fr) | 1999-01-07 |
EP0991569A1 (fr) | 2000-04-12 |
FR2765187A1 (fr) | 1998-12-31 |
FR2765187B1 (fr) | 1999-08-27 |
JP3998103B2 (ja) | 2007-10-24 |
US6361279B1 (en) | 2002-03-26 |
CN1084696C (zh) | 2002-05-15 |
DE69807333D1 (de) | 2002-09-26 |
ZA985281B (en) | 1999-01-11 |
DE69807333T2 (de) | 2003-05-15 |
CN1253532A (zh) | 2000-05-17 |
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