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Method and apparatus for delaying the separation of flow from a solid surface 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B64C-021/00
  • B64C-023/00
출원번호 US-0208529 (1988-06-20)
발명자 / 주소
  • Wygnanski Israel (4559 N. Placita de las Charcras Tucson AZ 85718)
인용정보 피인용 횟수 : 48  인용 특허 : 0

초록

An active perturbation-producing element on the solid surface is driven to induce oscillations in the boundary layer of the fluid stream about an axis substantially perpendicular to the solid surface, to enhance the mixing of the boundary layer in the fluid stream. The method is particularly applica

대표청구항

An active method of delaying the separation of the flow from a solid surface to higher angles of divergence or incidence characterized in that a perturbation-producing element on the solid surface is driven by an active drive at a predetermined frequency dependent on the air stream velocity but inde

이 특허를 인용한 특허 (48)

  1. Eliahou-Niv Shaul,ILX ; Wygnanski Israel,ILX, Active flaperon assembly.
  2. Crouch Jeffrey D. ; Spalart Philippe R., Active system for early destruction of trailing vortices.
  3. Seifert, Avraham; Greenblatt, David; Wygnanski, Israel, Aerial vehicle controlled and propelled by oscillatory momentum generators and method of flying a vehicle.
  4. DiCocco, Jack; Prince, Troy; Patel, Mehul; Ng, Tsun Ming Terry, Aircraft and missile afterbody flow control device and method of controlling flow.
  5. DiCocco,Jack; Prince,Troy; Patel,Mehul; Ng,Tsun Ming Terry, Aircraft and missile afterbody flow control device and method of controlling flow.
  6. Nowak Dieter K., Aircraft wing flaps.
  7. Wygnanski Israel,ILX ; Greenblatt David,ILX ; Seifert Avi,ILX, Airfoil with dynamic stall control by oscillatory forcing.
  8. Niv Shaul E.,ILX ITX 55026, Apparatus for active fluid control.
  9. Huyer, Stephen A.; Macumber, Daniel L.; Annaswamy, Anuradha; Beal, David N., Apparatus for control of stator wakes.
  10. Sandgren, Eric, Automated drag reduction in moving objects.
  11. Praisner,Thomas J.; Grover,Eric A., Boundary layer transition model.
  12. Lorber Peter F. ; Lord Wesley K., Centrifugal air flow control.
  13. Cheung, Ken C. K.; Sullivan, Christopher J., Conformable skin element system for active vortex control.
  14. Thombi Layukallo JP, Control of flow separation and related phenomena on aerodynamic surfaces.
  15. Larssen, Jon V.; Calkins, Frederick T., Deployable flap edge fence.
  16. Larssen, Jon V.; Calkins, Frederick T., Deployable flap edge fence.
  17. Lisy Frederick J. ; Schmidt Robert N., Deployable flow control device.
  18. Lisy, Frederick J.; Modarreszadah, Mohammed; Patel, Mehul P.; DiCocco, Jack M.; Carver, Reed; Schmidt, Robert N.; Prince, Troy, Flow control device and method of controlling flow.
  19. Lisy,Frederick J.; Modarreszadah,Mohammed; Patel,Mehul P.; DiCocco,Jack M.; Carver,Reed; Schmidt,Robert N.; Prince,Troy, Flow control device and method of controlling flow.
  20. Greenblatt, David; Sasson, Benyamin; Schulman, Magen, Flow control on a vertical axis wind turbine (VAWT).
  21. McCaffrey, Michael G; Magge, Shankar S; Wagner, Joel H; Sabatino, Daniel R; Burge, Joseph Clayton, Gas turbine engine systems involving mechanically alterable vane throat areas.
  22. Bachar Tomer,ILX, Generating dynamically controllable oscillatory fluid flow.
  23. Platzer Maximilian F., Integrated propulsion/lift/control system for aircraft and ship applications.
  24. Shmilovich, Arvin; Yadlin, Yoram; Clark, Roger W., Lift augmentation system and associated method.
  25. Dimascio, Paul Stephen; Arnett, Michael Douglas; Hefner, Rebecca Evelyn; Higgins, Christopher D., Metallic seal assembly, turbine component, and method of regulating airflow in turbo-machinery.
  26. Keefe Laurence R., Method and apparatus for reducing the drag of flows over surfaces.
  27. Hermann Fasel ; Albert Hack AT; Ralf Rossmanith DE; Jorg Russow DE; Volker Schwarz DE; Rainer Tiefenbacher DE, Motor vehicle with flow-influencing devices to reduce air resistance.
  28. Duane C. McCormick ; Wesley K. Lord, Passively driven acoustic jet controlling boundary layers.
  29. Corjon, Alexandre; Leweke, Thomas; Laporte, Florent, Process and device for accelerating the destruction of at least two vortices in the wake of a moving body, particularly an aircraft.
  30. Barrett, Ronald M., Radar energy absorbing deformable low drag vortex generator.
  31. Barrett, Ronald M., Radar energy absorbing deformable low drag vortex generator.
  32. Narramore, Jimmy Charles, Retractable vortex generator.
  33. Machida Shigeru,JPX, Rotor blade with a rotary spoiler.
  34. Mihora Dennis J. (Santa Barbara CA) Cannon Walter E. (San Jose CA), Shock wave stabilization apparatus and method.
  35. Mihora Dennis J. (Santa Barbara CA) Cannon Walter E. (San Jose CA), Shock wave stabilization apparatus and method.
  36. Lutz, Barry R.; Schwartz, Daniel T., Steady streaming particle traps.
  37. Aoyama, Yusuke, Steering system for watercraft.
  38. Neitzke, Klaus-Peter; Bauer, Karin; Bolzmacher, Christian; Kupke, Winfried, Switchable vortex generator and array formed therewith, and uses of the same.
  39. Neitzke, Klaus-Peter; Bauer, Karin; Bolzmacher, Christian; Kupke, Winfried, Switchable vortex generator and array formed therewith, and uses of the same.
  40. Glezer, Ari; Mahalingam, Raghavendran; Heffington, Samuel, Synthetic jet heat pipe thermal management system.
  41. Bilanin Alan J. ; Quackenbush Todd R., System and method of vortex wake control using vortex leveraging.
  42. Mahalingam, Raghavendran; Glezer, Ari, Thermal management of batteries using synthetic jets.
  43. Dimascio, Paul Stephen; Arnett, Michael Douglas; Hefner, Rebecca Evelyn, Thermally-controlled component and thermal control process.
  44. Bandyopadhyay,Promode R., Vehicle wake vortex modifier.
  45. Miller Robin Mihekun ; Tunkel Roman N., Vibration-driven acoustic jet controlling boundary layer separation.
  46. Hegenbart, Matthias; Eilken, Wolfgang; Paul, Erich; Stefes, Bruno; Duken, Lena, Vortex generator arrangement.
  47. McVeigh, Michael A.; Maciolek, Robert F., Vortex generators on rotor blades to delay an onset of large oscillatory pitching moments and increase maximum lift.
  48. Gieseke, Thomas J., Vortex-assisted pressure control at inlet of underwater launch system.
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