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특허 상세정보

Active circulation control of aerodynamic structures

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F03D-011/00    F03D-001/06    F03D-007/02   
출원번호 US-0258526 (2008-10-27)
등록번호 US-9239039 (2016-01-19)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Chakrabarti, Pabrita K.
인용정보 피인용 횟수 : 0  인용 특허 : 19
초록

Active Circulation Control (ACC) of aerodynamic structures, such as a turbine blade, uses unsteady or oscillatory flow from either synthetic jets or pulsed jets to modify a velocity profile of the blade. The blade includes an opening disposed in a surface of the blade at a location proximate to a trailing edge, a leading edge, or both the trailing edge and the leading edge of the blade. An active flow control device in fluid communication with the opening produces a wall-jet of pulsed fluid that flows over the trailing edge, the leading edge, or both the...

대표
청구항

1. A wind turbine comprising: a wind turbine blade comprising an opening disposed in an outer surface of the wind turbine blade proximate a curved trailing edge of the wind turbine blade, andactive flow control devices disposed in the wind turbine blade and in fluid communication with the opening and configured for producing unsteady wall-jets of pulsed fluid that flows over the curved trailing edge, wherein the unsteady wall-jets of pulsed fluid comprise velocities and frequencies sufficient to adjust the overall lift of the wind turbine blade; anda con...

이 특허에 인용된 특허 (19)

  1. Saddoughi,Seyed Gholamali; Gupta,Anurag; Giguere,Philippe. Active flow modifications on wind turbine blades. USP2008067387491.
  2. Andersen, Stephen M.; Laubsch, Kenneth L.; Kopf, Steven R.; Vinton, II, Brock J.; Jamieson, Peter. Advanced aerodynamic control system for a high output wind turbine. USP2005096940185.
  3. Taylor Robert M. (Vienna VA). Aerodynamic surface tip vortex attenuation system. USP1992105158251.
  4. Dancila D. Stefan ; Armanios Erian A.. Apparatus and method for aerodynamic blowing control using smart materials. USP1998085791601.
  5. Bonnet,Laurent. Blade for a rotor of a wind energy turbine. USP2008047354247.
  6. Tindell Runyon H. (Old Bethpage NY). Blown boundary layer control system for a jet aircraft. USP1995095447283.
  7. Smith, Brian R.; Saddoughi, Seyed. Dual bimorph synthetic pulsator. USP2011067967258.
  8. Rogers,Ernest O.; Imber,Robin D.; Abramson,Jane S.; Donnelly,Martin J.. Dual jet emerging lift augmentation system for airfoils and hydrofoils. USP2007117290738.
  9. Rogers Ernest O.. Duct flow control system. USP1998035727381.
  10. Williams Robert M. (Chantilly VA) Rogers Ernest O. (Great Falls VA) Sevik Maurice M. (Potomac MD). Marine propeller. USP1995115464321.
  11. Cueman, Michael Kent; Saddoughi, Seyed Gholamali. Method and system for flow control with arrays of dual bimorph synthetic jet fluidic actuators. USP2012038136767.
  12. Cerretelli,Ciro; Kirtley,Kevin Richard. Method and system for flow control with fluidic oscillators. USP2006107128082.
  13. Savitsky Anatoly I. (Moscow RUX) Schukin Lev N. (Kaliningrad RUX) Karelin Viktor G. (Moscow RUX) Mass Aleksandr M. (Petropavlosk-Kamchatsk RUX) Pushkin Rostislav M. (Krasnoarmeisk RUX) Shibanov Anato. Method for control of the boundary layer on the aerodynamic surface of an aircraft, and the aircraft provided with the b. USP1995055417391.
  14. Moroz,Emilian Mieczyslaw; Pierce,Kirk Gee. Methods and apparatus for reduction of asymmetric rotor loads in wind turbines. USP2006107118339.
  15. Glezer, Ari; Amitay, Michael. Modification of fluid flow about bodies and surfaces through virtual aero-shaping of airfoils with synthetic jet actuators. USP2003116644598.
  16. Hassan, Ahmed A.; Straub, Friedrich K.; Domzalski, David B.. Oscillating air jets for implementing blade variable twist, enhancing engine and blade efficiency, and reducing drag, vibration, download and ir signature. USP2003046543719.
  17. Glezer Ari ; Allen Mark G. ; Coe David J. ; Smith Barton L. ; Trautman Mark A. ; Wiltse John W.. Synthetic jet actuator and applications thereof. USP1999045894990.
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  19. Miller Robin Mihekun ; Tunkel Roman N.. Vibration-driven acoustic jet controlling boundary layer separation. USP2000086109566.