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center-of-pressure instability

См. также в других словарях:

  • Electrothermal instability — NOTOC The electrothermal instability (also known as the ionization instability or Velikhov instability in the literature) is a magnetohydrodynamic (MHD) instability appearing in magnetized non thermal plasmas used in MHD converters. It was first… …   Wikipedia

  • Low-pressure area — This depiction of the Hadley cell shows the process which sustains low pressure areas. Diverging winds aloft allow for lower pressure and convergence at the Earth s surface, which leads to upward motion. A low pressure area, or low , is a region… …   Wikipedia

  • Cyclone — This article is about the meteorological phenomenon. For other uses, see Cyclone (disambiguation). Polar low over the Barents Sea on February 27, 1987 In meteorology, a cyclone is an area of closed, circular fluid motion rotating in the same… …   Wikipedia

  • Bicycle and motorcycle dynamics — A computer generated, simplified model of bike and rider demonstrating an uncontrolled right turn. An …   Wikipedia

  • Extratropical cyclone — Part of the Nature series on Weather   Calendar seasons Spring · Summer Autumn  …   Wikipedia

  • Aviation history — deals with the development of mechanical flight, from the earliest attempts in kite powered and gliding flight, to powered heavier than air flight, and beyond. Humanity s desire to fly possibly first found expression in China, where people flying …   Wikipedia

  • Tailless aircraft — A tailless aircraft (often tail less) traditionally has all its horizontal control surfaces on its main wing surface. It has no horizontal stabilizer either tailplane or canard foreplane (nor does it have a second wing in tandem arrangement). A… …   Wikipedia

  • Avrocar — infobox Aircraft name =VZ 9 AV Avrocar type =experimental proof of concept vehicle manufacturer =Avro Aircraft Ltd. (Canada) caption = The Avrocar S/N 58 7055 (marked AV 7055 ) on its rollout. designer =John Frost first flight =12 November 1959… …   Wikipedia

  • Bell X-5 — infobox Aircraft name =X 5 type =Research aircraft manufacturer =Bell Aircraft Corporation caption = designer =Robert J. Woods first flight =20 June 1951 introduced = retired = December 1958 status = primary user = U.S.Air Force more users = NACA …   Wikipedia

  • Sukhoi Su-17 — infobox Aircraft name = Su 17/ 20/ 22 caption = Su 20 in the markings of 7th Bombing Reconnaissance Regiment of Polish Air Force type = Fighter bomber national origin = USSR manufacturer = Sukhoi OKB first flight = 1 July 1969 introduction = 1970 …   Wikipedia

  • pitch-up — A form of longitudinal (pitch) instability. As the aircraft angle of attack increases beyond a certain figure, the aircraft continues to diverge in pitch, thus increasing the angle of attack even further. This tendency normally is found in swept… …   Aviation dictionary

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