Results 21 to 30 of about 3,549,713 (380)

Flow visualisation of a normal shock impinging over a rounded contour bump in a Mach 1.3 free-stream [PDF]

open access: yes, 2016
An experimental study has been conducted to visualise the instantaneous streamwise and spanwise flow patterns of a normal shock wave impinging over a rounded contour bump in a Mach 1.3 free-stream.
Kontis, Konstantinos, Lo, Kin Hing
core   +2 more sources

Anisotropic Reaction Properties for Different HMX/HTPB Composites: A Theoretical Study of Shock Decomposition

open access: yesMolecules, 2022
Plastic-bonded explosives (PBXs) consisting of explosive grains and a polymer binder are commonly synthesized to improve mechanical properties and reduce sensitivity, but their intrinsic chemical behaviors while subjected to stress are not sufficiently ...
Zheng-Hua He   +4 more
doaj   +1 more source

Shock wave velocity and shock pressure for low density powders: A novel approach [PDF]

open access: yes, 1994
A novel approach is presented to predict the shock wave velocity as well as the shock wave pressure in powder materials. It is shown that the influence of the specific volume behind the shock wave on shock wave velocity and shock pressure decreases with ...
D. K. Dijken   +2 more
core   +2 more sources

Chiral Shock Waves

open access: yesPhysical Review Letters, 2017
We study the shock waves in relativistic chiral matter. We argue that the conventional Rankine-Hugoinot relations are modified due to the presence of chiral transport phenomena. We show that the entropy discontinuity in a weak shock wave is quadratic in the pressure discontinuity when the effect of chiral transport becomes sufficiently large.
Srimoyee Sen, Naoki Yamamoto
openaire   +5 more sources

Shock Waves in Disordered Media [PDF]

open access: yesPhysical Review Letters, 2012
We experimentally investigate the interplay between spatial shock waves and the degree of disorder during nonlinear optical propagation in a thermal defocusing medium. We characterize the way the shock point is affected by the amount of disorder and scales with wave amplitude.
N Ghofraniha   +4 more
openaire   +6 more sources

Experimental investigation of surface flow pattern on truncated cones in Mach 5 flow: influence of truncation ratio [PDF]

open access: yes, 2016
The flow characteristics on a truncated cone with a cylinder were experimentally investigated in a Mach 5 flow with a Reynolds number 3.8 × 105, based on the cylindrical diameter. Two different truncation ratios of 0.5 and 0.7 were used.
Erdem, Erinc   +4 more
core   +1 more source

Shock waves on complex networks [PDF]

open access: yesScientific Reports, 2014
Power grids, road maps, and river streams are examples of infrastructural networks which are highly vulnerable to external perturbations. An abrupt local change of load (voltage, traffic density, or water level) might propagate in a cascading way and affect a significant fraction of the network.
Enys Mones   +3 more
openaire   +7 more sources

Effect of humidity on transonic flow [PDF]

open access: yes, 2008
An experimental investigation of the effects of humidity-induced condensation on shock/boundary-layer interaction has been conducted in a transonic wind-tunnel test.
E. Benard   +6 more
core   +2 more sources

Effect of Porosity on Dynamic Response of Additive Manufacturing Ti-6Al-4V Alloys

open access: yesMicromachines, 2022
Additive manufacturing is a rapidly developing manufacturing technology of great potential for applications. One of the merits of AM is that the microstructure of manufactured materials can be actively controlled to meet engineering requirements. In this
Yihang Cui   +5 more
doaj   +1 more source

The microphysics of collisionless shock waves [PDF]

open access: yesReports on Progress in Physics, 2016
Collisionless shocks, that is shocks mediated by electromagnetic processes, are customary in space physics and in astrophysics. They are to be found in a great variety of objects and environments: magnetospheric and heliospheric shocks, supernova remnants, pulsar winds and their nebul , active galactic nuclei, gamma-ray bursts and clusters of galaxies
Marcowith, Alexandre   +14 more
openaire   +9 more sources

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