Study of the turbulent mixing zone induced by the Richtmyer-Meshkov instability using Laser Doppler Velocimetry and Schlieren visualizations [PDF]
, 2012 An experimental study of the compressible mixing generated by the Richtmyer-Meshkov instability (RMI) is carried out in a vertical shock tube by means of two-components Laser Doppler Velocimetry (2C-LDV) measurements and Time-resolved Schlieren ...
Bouzgarrou, Ghazi +4 more
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Analytical and experimental studies of shock interference heating in hypersonic flows [PDF]
An analytical and experimental study is presented of the aerodynamic heating resulting from six types of shock interference patterns encountered in high speed flow.
Hains, F. D., Keyes, J. W.
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Low-cost Schlieren system for flow visualization in transparent media in the windsector
, 2023 Citlali Uribe-Castillo
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Wind tunnel tests of a blade subjected to midchord torsional oscillation at high subsonic stall flutter conditions [PDF]
A mechanical drive system for oscillating blades in a wind tunnel at frequencies up to 767 hertz and amplitudes of + or - 1.2 deg is described. High-speed motion pictures of schlieren images of the flow over a double-circular arc blade oscillating in ...
Boldman, D. R., Buggele, A. E.
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Oscillation Modes of Transonic Buffet on a Laminar Airfoil
AerospaceThis paper presents an experimental investigation of unsteady phenomena in shock wave/boundary-layer interaction on natural laminar flow airfoils at transonic speeds. Two airfoils of different relative thickness were studied over a Mach number range of M
Pavel Polivanov, Andrey Sidorenko
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Shockwave/Boundary-Layer Interaction Studies Performed in the NASA Langley 20-Inch Mach 6 Air Tunnel [PDF]
This paper highlights results from a collaborative study performed by The University of Tennessee Space Institute (UTSI) and NASA Langley Research Center on the Shockwave/Boundary-Layer Interaction (SWBLI) generated by a cylindrical protuberance on a ...
Bathel, Brett F. +9 more
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Flow Structure behind Spanwise Pin Array in Supersonic Flow
AerospaceThis work focused on the experimental characterization of a complex flow structure behind a cross-flow array of cylindrical pins installed on the wall of a supersonic duct.
Philip A. Lax +4 more
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Study of optical techniques for the Ames unitary wind tunnel, part 7 [PDF]
A summary of optical techniques for the Ames Unitary Plan wind tunnels are discussed. Six optical techniques were studied: Schlieren, light sheet and laser vapor screen, angle of attack, model deformation, infrared imagery, and digital image processing ...
Lee, George
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Advanced optical measuring systems for measuring the properties of fluids and structures [PDF]
Four advanced optical models are reviewed for the measurement of visualization of flow and structural properties. Double-exposure, diffuse-illumination, holographic interferometry can be used for three-dimensional flow visualization.
Decker, A. J.
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Optical measurement methods in thermogasdynamics [PDF]
A review is presented of a number of optical methods of flow measurements. Consideration is given to such spectroscopic methods as emission and absorption techniques, electron beam-stimulated fluorescence, and light scattering - Rayleigh, Raman and Mie -
Becker, M. +3 more
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