Results 71 to 80 of about 385,605 (249)

Low Mach number limit of compressible nematic liquid crystal flows with well-prepared initial data in a 3D bounded domain

open access: yesElectronic Journal of Differential Equations, 2019
In this article, we consider the low Mach number limit of the compressible nematic liquid crystal flows in a 3D bounded domain. We establish the uniform estimates with respect to the Mach number for the strong solutions with large initial data in a ...
Boling Guo, Lan Zeng, Guoxi Ni
doaj  

Jet-edge interaction tones [PDF]

open access: yes, 2017
Motivated by the problem of jet-flap interaction noise, we study the tonal dynamics that occur when a sharp edge is placed in the hydrodynamic nearfield of an isothermal turbulent jet.
Agarwal, Anurag   +6 more
core   +2 more sources

Ion acceleration in non-relativistic astrophysical shocks

open access: yes, 2011
We explore the physics of shock evolution and particle acceleration in non-relativistic collisionless shocks using multidimensional hybrid simulations.
Gargaté, L., Spitkovsky, A.
core   +1 more source

Noise suppression with high Mach number inlets [PDF]

open access: yes
Experimental results were obtained for two types of high Mach number inlets, one with a translating centerbody and a fixed geometry inlet (collapsing cowl) with no centerbody. The aerodynamic and acoustic performance of these inlets was examined.
Cherng, J. G., Lumsdaine, E., Tag, I.
core   +1 more source

Sidewall influence of varying free stream Mach number in ramp induced shock wave boundary layer interactions

open access: yesTheoretical and Applied Mechanics Letters
This study investigates the three-dimensional (3D) effects introduced by the end walls for an aspect ratio of 1 in ramp-induced shock wave boundary layer interactions.
Raja Mangalagiri, Satya P Jammy
doaj   +1 more source

Simulated flight effects on noise characteristics of a fan inlet with high throat Mach number [PDF]

open access: yes
An anechoic wind tunnel experiment was conducted to determine the effects of simulated flight on the noise characteristics of a high throat Mach number fan inlet.
Abbott, J. M.   +2 more
core   +1 more source

Flight investigation of XB-70 structural response to oscillatory aerodynamic shaker excitation and correlation with analytical results [PDF]

open access: yes
The low frequency symmetric structural response and damping characteristics of the XB-70 airplane were measured at four flight conditions: heavyweight at a Mach number of 0.87 at an altitude of 7620 meters (25,000 feet); lightweight at a Mach number of 0.
Kordes, E. E.   +2 more
core   +1 more source

Electron Heating in High Mach Number Collisionless Shocks

open access: yesPhysical Review Letters
The energy partition in high Mach number collisionless shock waves is central to a wide range of high-energy astrophysical environments. We present a new theoretical model for electron heating that accounts for the energy exchange between electrons and ions at the shock.
A. Vanthieghem   +5 more
openaire   +5 more sources

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