Results 181 to 190 of about 31,952 (223)

Role of Flight Duration and Altitude in Ocular Health of Military Pilots. [PDF]

Med Sci Monit
Mędrzycka J, Rotuski G, Różycki R, Gołębiewska J.   +3 more
europepmc   +1 more source

Modification of Thermo-Chemical Properties of Hot-Pressed ZrB₂-HfB₂ Composites by Incorporation of Carbides (SiC, B₄C, and WC) or Silicides (MoSi₂ and CrSi₂) Additives. [PDF]

Materials (Basel)
Gubernat A, Kornaus K, Zientara D, Zych Ł, Rutkowski P, Komarek S, Naughton-Duszova A, Liu Y, Chlubny L, Pędzich Z.   +9 more
europepmc   +1 more source

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Supersonic Aircraft Energy Turns

IFAC Proceedings Volumes, 1972
Abstract A brief review is given of some recent theoretical work on optimal atmospheric flight, comprising an extension of so-called “energy climbs” to three-dimensional flight and an analytical recasting in terms of singular perturbation theory. A family of variable-altitude turns obtained by numerical integration in the reduced-order (“energy ...
Henry J. Kelley, Leon Lefton
openaire   +1 more source

Supersonic STOVL Research Aircraft

SAE Technical Paper Series, 1982
<div class="htmlview paragraph">Two powered-lift concepts, the tandem fan and the longitudinally-arrayed ejector, are integrated with two existing fighter aircraft, the F-l4A and F-16A respectively, to indicate the benefits and/or penalties involved with providing STOVL capability to CTOL aircraft.
Samuel B. Wilson, George H. Kidwell, George E. Turney, Al Rogers   +3 more
openaire   +1 more source

Noise from Aircraft at Supersonic Speeds

Nature, 1953
THE acoustic phenomena accompanying the dive of an aircraft to attain supersonic speed appear to be adequately explained by the Huyghens wavelet construction. The case of a body moving at a uniform supersonic speed V in a straight path, in a uniform atmosphere, is well known.
C H E, WARREN, E W, BASTIN, P, ROTHWELL
openaire   +3 more sources

Supersonic combat aircraft design

The Aeronautical Journal, 1979
It should be fairly obvious that, in contemplating the design of a future combat aircraft, it is important at the outset to relate the effort to some forecast definition of what is needed. This may take the form of an official or an unofficial requirement; however, its precise form is immaterial to the central argument.
J. FLETCHER, B. BURNS
openaire   +1 more source

Arrow Wings for Supersonic Cruise Aircraft

Journal of Aircraft, 1978
The arrow wing planform has a far greater range potential than the delta wing planform for utilization on a commercial supersonic cruise vehicle. A supersonic cruise vehicle concept must be configured to favor cruise efficiency. The arrow wing planform cruise lift-drag ratio is approximately one unit higher than the delta wing.
B. WRIGHT, F. BRUCKMAN, N. RADOVCICH
openaire   +1 more source

Wing platforms of supersonic aircraft

Práce a štúdie, 2023
Goal of the paper is to describe various wing designs used in supersonic aircraft and their impact on lift, drag and stability with emphasis on high speed civil transport. Paper describes transonic and supersonic region, where formation of shockwaves is prevalent, and air behaves differently from subsonic region. The paper then describes different wing
Richard Tabernaus, Martin Bugaj, Michal Hrúz   +2 more
openaire   +1 more source