Results 201 to 210 of about 2,387,085 (259)

Investigation of the leeward side of a delta wing at hypersonic speeds [PDF]

Fluid and Plasma Dynamics Conference, 1968
A series of experiments were performed at Mm — 10 using a delta wing with sharp leading edges swept to 75°. Surface oil-flow measurements and impact pressure data were acquired in the lee-side region. Analysis of the results led to a description of the principal features of the flowfield.
W. L. Hankey, E. J. Cross
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Stabilized methods for high-speed compressible flows: toward hypersonic simulations

Computational Mechanics, 2021
D. Codoni, G. Moutsanidis, M. Hsu, Y. Bazilevs, C. Johansen, A. Korobenko   +5 more
semanticscholar   +1 more source

On the optimum cruise speed of a hypersonic aircraft

IEEE Aerospace and Electronic Systems Magazine, 1989
Some preliminary results that have been obtained in the frame of the SANGER system studies are presented. SANGER is a West German study project and technology reference system for a future advanced space transportation system. The first stage of this vehicle is a hypersonic aircraft from which a passenger version could be derived. The analyses indicate
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ON THE OPTIMUM TRANSVERSAL CONTOUR OF A BODY AT HYPERSONIC SPEEDS [PDF]

, 1963
Abstract : In a previous paper (AD-296 177), the transversal contour of a slender body of a given length and base area was determined in such a way that the total drag (sum of the pressure drag and the friction drag) is a minimum. Directions were employed, and the analysis was confined to a body whose cross section is either a regular polygon or is ...
Angelo Miele, Gary R. Saaris
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High-Speed Schlieren Imaging of Disturbances in a Transitional Hypersonic Boundary Layer.

, 2013
A high-speed schlieren system was developed for the Sandia Hypersonic Wind Tunnel. Schlieren images were captured at 290 kHz and used to study the growth and breakdown of second-mode instabilities into turbulent spots on a 7 ◦ cone.
Katya M. Casper, S. Beresh, J. Henfling, R. Spillers, B. Pruett   +4 more
semanticscholar   +1 more source

Simultaneous Pressure Measurements and High-Speed Schlieren Imaging of Disturbances in a Transitional Hypersonic Boundary Layer.

, 2013
High-frequency pressure sensors were used in conjunction with a high-speed schlieren system to study the growth and breakdown of boundary-layer disturbances into turbulent spots on a 7◦ cone in the Sandia Hypersonic Wind Tunnel.
Katya M. Casper, S. Beresh, R. Wagnild, J. Henfling, R. Spillers, B. Pruett   +5 more
semanticscholar   +1 more source

Base Flow of Circular Cylinder at Hypersonic Speeds

AIAA Journal, 2016
The paper presents a computational and an experimental investigation of base flow of a circular cylinder at hypersonic speeds. Effects of chemistry and wall temperature on the flow in the base region, at low to high enthalpies, are discussed. The experiments were conducted in a shock tunnel at a nominal Mach number of 10.
Andrew J. Neely, Gisu Park, Sudhir L. Gai   +2 more
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THE SUBLIMATION OF GRAPHITE AT HYPERSONIC SPEEDS [PDF]

Entry Technology Conference, 1964
S.M. Scala, L.M. Gilbert
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Hypersonic speed and isentropic compressibility in pyridine and piperidine

The Journal of Chemical Thermodynamics, 1987
Abstract The hypersonic speed and dynamic isentropic compressibility of pure pyridine and piperidine were measured by Brillouin spectroscopy in the temperature range from 293.6 to 366.7 K in the 5 to 7 GHz frequency region.
Scott L. Whittenburg, Vinod K Jain
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Low speed lateral-directional aerodynamic and static stability analysis of a hypersonic waverider

, 2020
Tamas Bykerk, D. Verstraete, J. Steelant
semanticscholar   +1 more source