MX2009001210A - Diseño aerodinamico de aspas de helicoptero de bajo ruido y alto rendimiento. - Google Patents

Diseño aerodinamico de aspas de helicoptero de bajo ruido y alto rendimiento.

Info

Publication number
MX2009001210A
MX2009001210A MX2009001210A MX2009001210A MX2009001210A MX 2009001210 A MX2009001210 A MX 2009001210A MX 2009001210 A MX2009001210 A MX 2009001210A MX 2009001210 A MX2009001210 A MX 2009001210A MX 2009001210 A MX2009001210 A MX 2009001210A
Authority
MX
Mexico
Prior art keywords
cross
section
high performance
low noise
helicopter blade
Prior art date
Application number
MX2009001210A
Other languages
English (en)
Inventor
Ashok K Agnihotri
Jimmy C Narramore
John J Schillings
Original Assignee
Bell Helicopter Textron Inc
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 by Bell Helicopter Textron Inc filed Critical Bell Helicopter Textron Inc
Publication of MX2009001210A publication Critical patent/MX2009001210A/es

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/16—Blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/16—Blades
    • B64C11/18—Aerodynamic features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • 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
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making
    • Y10T29/49332—Propeller making

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Wind Motors (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Braking Arrangements (AREA)
  • Hydraulic Turbines (AREA)

Abstract

Una modalidad de la presente invención es un aspa del rotor principal de helicóptero para generar mayor elevación con menor resistencia aerodinámica y retraso de la pérdida de sustentación a altos números de Mach. Una sección transversal de esta aspa incluye la inclinación hacia popa. La diferencia entre una línea de cuerda de la sección transversal y una línea de inclinación de la sección transversal se incrementa desde un borde delantero de la sección transversal hacia un máximo entre un borde trasero de la sección transversal y un punto intermedio de la línea de cuerda, y disminuye hacia el borde trasero produciendo la inclinación hacia popa del aspa. La inclinación hacia popa genera mayor elevación con menor resistencia aerodinámica y retrasa la pérdida de sustentación a altos números de Mach.
MX2009001210A 2006-08-03 2007-08-03 Diseño aerodinamico de aspas de helicoptero de bajo ruido y alto rendimiento. MX2009001210A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/498,274 US8016566B2 (en) 2006-08-03 2006-08-03 High performance low noise rotorcraft blade aerodynamic design
PCT/US2007/017346 WO2008094207A2 (en) 2006-08-03 2007-08-03 High performance low noise helicopter blade aerodynamic design

Publications (1)

Publication Number Publication Date
MX2009001210A true MX2009001210A (es) 2009-05-11

Family

ID=39674649

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2009001210A MX2009001210A (es) 2006-08-03 2007-08-03 Diseño aerodinamico de aspas de helicoptero de bajo ruido y alto rendimiento.

Country Status (10)

Country Link
US (1) US8016566B2 (es)
EP (4) EP2457828B1 (es)
JP (1) JP2010514601A (es)
KR (1) KR20090038482A (es)
CN (1) CN101541634B (es)
AU (1) AU2007345689A1 (es)
BR (1) BRPI0715337A2 (es)
CA (1) CA2659660C (es)
MX (1) MX2009001210A (es)
WO (1) WO2008094207A2 (es)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101378584B1 (ko) * 2012-09-14 2014-03-27 한국과학기술원 수직축 터빈 블레이드의 성능 예측 방법
EP3201077B1 (en) 2014-10-01 2020-05-20 Sikorsky Aircraft Corporation Dual rotor, rotary wing aircraft
WO2016053408A1 (en) 2014-10-01 2016-04-07 Sikorsky Aircraft Corporation Acoustic signature variation of aircraft utilizing a clutch
CN105134409B (zh) * 2015-07-28 2018-09-25 南京航空航天大学 超高负荷超低转速大涵道比风扇转子气动设计方法
US9868525B2 (en) * 2015-09-25 2018-01-16 The Boeing Company Low speed airfoil design for aerodynamic improved performance of UAVs
US10604234B2 (en) 2017-06-17 2020-03-31 Bell Helicopter Textron Inc. Method and apparatus to improve lift to drag ratio of a rotor blade
USD891351S1 (en) 2017-12-15 2020-07-28 Bell Helicopter Textron Inc. Rotor blade
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
FR3077803B1 (fr) * 2018-02-15 2020-07-31 Airbus Helicopters Methode d'amelioration d'une pale afin d'augmenter son incidence negative de decrochage
JP6626527B2 (ja) * 2018-04-27 2019-12-25 川崎重工業株式会社 回転翼航空機用ブレード翼型、このブレード翼型を有するブレード、およびこのブレードを備える回転翼航空機
US10710741B2 (en) 2018-07-02 2020-07-14 Joby Aero, Inc. System and method for airspeed determination
WO2020061085A1 (en) 2018-09-17 2020-03-26 Joby Aero, Inc. Aircraft control system
JP7275272B2 (ja) 2018-12-07 2023-05-17 ジョビー エアロ，インコーポレイテッド 航空機制御システム及び方法
EP3891066A4 (en) * 2018-12-07 2022-08-10 Joby Aero, Inc. ROTATING AIRFORCE AND DESIGN METHOD THEREFORE
WO2020132332A1 (en) 2018-12-19 2020-06-25 Joby Aero, Inc. Vehicle navigation system
US11230384B2 (en) 2019-04-23 2022-01-25 Joby Aero, Inc. Vehicle cabin thermal management system and method
KR102652792B1 (ko) 2019-04-23 2024-03-29 조비 에어로, 인크. 배터리 열 관리 시스템 및 방법
CN110683048B (zh) * 2019-09-29 2023-05-05 中国人民解放军总参谋部第六十研究所 一种无人直升机复合材料桨叶及桨尖配重方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4142837A (en) * 1977-11-11 1979-03-06 United Technologies Corporation Helicopter 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
US5492448A (en) 1993-03-13 1996-02-20 Westland Helicopters Limited Rotary blades
US5456428A (en) * 1993-07-21 1995-10-10 Honeywell Inc. Mechanically linked active sidesticks
FR2755941B1 (fr) * 1996-11-19 1999-01-15 Eurocopter France Pale a extremite en fleche pour voilure tournante d'aeronef
FR2765187B1 (fr) * 1997-06-25 1999-08-27 Onera (Off Nat Aerospatiale) Profil de pale pour voilure tournante d'aeronef et pale pour voilure tournante presentant un tel profil
JP3722961B2 (ja) * 1997-09-24 2005-11-30 富士重工業株式会社 回転翼航空機の回転翼羽根
US6607164B2 (en) * 2001-10-22 2003-08-19 Toyota Motor Sales, U.S.A., Inc. Wing airfoil

Also Published As

Publication number Publication date
CA2659660C (en) 2015-09-29
EP2061699A2 (en) 2009-05-27
EP2457829A2 (en) 2012-05-30
CA2659660A1 (en) 2008-08-07
BRPI0715337A2 (pt) 2015-04-22
CN101541634A (zh) 2009-09-23
EP2457829B1 (en) 2013-11-20
WO2008094207A3 (en) 2008-12-24
EP2457827B1 (en) 2013-12-11
EP2457828B1 (en) 2013-12-18
WO2008094207A9 (en) 2008-11-06
EP2457829A3 (en) 2012-11-07
EP2457827A2 (en) 2012-05-30
EP2457828A3 (en) 2012-11-14
US20100254817A1 (en) 2010-10-07
US8016566B2 (en) 2011-09-13
WO2008094207A2 (en) 2008-08-07
CN101541634B (zh) 2013-07-17
JP2010514601A (ja) 2010-05-06
EP2457828A2 (en) 2012-05-30
EP2457827A3 (en) 2012-11-07
EP2061699B1 (en) 2012-05-16
KR20090038482A (ko) 2009-04-20
AU2007345689A1 (en) 2008-08-07

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