Gurney flap

Gurney Flap (atau wickerbill) adalah tab datar kecil diproyeksikan dari trailing edge dari sayap. Biasanya sudah diatur pada sudut kanan ke permukaan sisi tekanan airfoil,[1] dan proyek 1% sampai 2% dari chord sayap.[2] Ini perangkat trailing edge dapat meningkatkan kinerja suatu airfoil sederhana untuk hampir tingkat yang sama sebagai desain kinerja tinggi yang kompleks.[3]

Perangkat ini beroperasi dengan meningkatkan tekanan pada sisi tekanan, mengurangi tekanan pada sisi isap, dan membantu aliran lapisan batas tetap terpasang sampai ke trailing edge pada sisi isap airfoil. Aplikasi umum terjadi pada mobil balap, helikopter stabilisator horisontal, dan pesawat di mana lift yang tinggi sangat penting, seperti spanduk-penarik pesawat.

Referensi

  1. ^ Van Dam, C.P. (1999). "Gurney flap experiments on airfoil and wings". Journal of Aircraft(0021-8669). 36 (2): 484–486. doi:10.2514/2.2461. Diakses tanggal 2007-07-05. These devices provided an increased region of attached flow on a wing upper surface relative to the wing without the flaps. [pranala nonaktif permanen]
  2. ^ Storms, B.L. (1994). "Lift Enhancement of an Airfoil Using a Gurney Flap and Vortex Generators". Journal of Aircraft. 31 (3): 542–547. doi:10.2514/3.46528. Diakses tanggal 2007-07-05. One candidate technology is the Gurney flap, which consists of a small plate, on the order of 1-2% of the airfoil chord in height, located at the trailing edge perpendicular to the pressure side of the airfoil. [pranala nonaktif permanen]
  3. ^ Giguere, P. (1995). "Gurney flap effects and scaling for low-speed airfoils". AIAA Applied Aerodynamics Conference, 13 th, San Diego, CA, Technical Papers. Pt. 2. hlm. 966–976. through the proper use of Gurney flaps, the aerodynamic performance of a simple design, easy-to-build airfoil can be made practically as well as those of a modern, high performance, complex design. ; ; [pranala nonaktif permanen]

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