Fluidic Flight Controls for Aircraft?  

Oleh:

Mraz, Stephen J.

Jenis: Article from Bulletin/Magazine - ilmiah internasional
Dalam koleksi: Machine Design (Soft Copy ada dalam http://search.proquest.com/) vol. 83 no. 5 (Mar. 2011), page 43-45.
Topik: Aircraft; the Coanda Effect; fluidic controls

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: MM44.64 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Control surfaces on aircraft -- the moving elevators, flaps, and ailerons on the trailing edges of the wings and tail -- have long been used by pilots to control a plane's pitch, roll, low-speed lift, and climb or descent rates. But could they be replaced with moving blades of air? That's the question researchers at several UK universities tried to answer when they designed and built the Demon UAV. The major goal of the research project was to see if fluidic controls, those based on the Coanda Effect, could exert control forces on an aircraft. The Coanda Effect, discovered in the 1930s, states that a fluid or gas will hug a convex surface if directed tangent to it surface, and this flow can entrain surrounding gas or fluid to follow that surface as well. How well the fluidic controls work is still being evaluated and further tests are planned.

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