Results 51 to 60 of about 1,136 (134)

Relative Source Time Functions, Spectral Ratios, and Near‐Source Spallation in the Source Physics Experiment Phase I Chemical Explosions

open access: yesJournal of Geophysical Research: Solid Earth, Volume 131, Issue 6, June 2026.
Abstract The Source Physics Experiment (SPE) Phase I was composed of six chemical explosions at the Nevada National Security Sites (NNSS) between 2011 and 2016. The experiment provided a robust set of dense, local to regional distance observations suitable for characterizing shallow chemical explosions located within the same borehole.
James E. Pippin   +2 more
wiley   +1 more source

Nanomaterials synthesis by a novel phenomenon: The nanoscale Rayleigh-Taylor instability

open access: yesAIP Advances, 2014
The Rayleigh-Taylor (RT) interfacial instability has been attributed to physical phenomenon in a wide variety of macroscopic systems, including black holes, laser generated plasmas, and thick fluids.
S. Yadavali, R. Kalyanaraman
doaj   +1 more source

A study of bubble growth in the compressible Rayleigh–Taylor and Richtmyer–Meshkov instabilities

open access: yesAIP Advances, 2020
Within the framework of modified Layzer-type potential flow theory [V. N. Goncharov, “Analytical model of nonlinear, single-mode, classical Rayleigh-Taylor instability at arbitrary Atwood numbers,” Phys. Rev. Lett.
Yubin Zhao, Mengjiao Xia, Yigang Cao
doaj   +1 more source

Daytime Ionospheric F‐Region Topside Irregularities Associated With Significant Density Enhancement at Low Latitudes During the 12 November 2025 Magnetic Storm

open access: yesGeophysical Research Letters, Volume 53, Issue 10, 28 May 2026.
Abstract In this study, daytime F‐region irregularities were observed at low latitudes during the main phase of the 12 November 2025 strong magnetic storm, causing intense very high frequency radar echoes ranging hundreds of kilometers in altitude.
Wenjie Sun   +10 more
wiley   +1 more source

Direct Ionosonde Evidence of F‐Layer Disturbances Driven by Intense Lightning Activity at Low Latitudes

open access: yesGeophysical Research Letters, Volume 53, Issue 10, 28 May 2026.
Abstract Thunderstorms could cause the irregularities of electron density distributions in the ionosphere by exciting gravity waves and modifying ambient electric field (E‐field). By comparing the DPS‐4D ionosonde observation at 5‐min resolution at Fuke Station in Hainan, China with the lightning detection data, we studied the F‐layer responses to a ...
Zhengwei Cheng   +11 more
wiley   +1 more source

Compressibility effects on Rayleigh–Taylor instability in a vertical inhomogeneous rotating plasma

open access: yesResults in Physics, 2014
Compressibility effects on Rayleigh–Taylor instability in inhomogeneous plasma rotating uniformly in an external vertical magnetic field have been investigated. Using the exponential density distribution and in the presence of a fixed boundary condition,
G.A. Hoshoudy
doaj   +1 more source

Packaging of Macroscopic Material Payloads: Needs, Challenges, Concepts, and Future Directions

open access: yesAdvanced Engineering Materials, Volume 28, Issue 9, 6 May 2026.
This review introduces a unified framework that decomposes any macroscopic packaging system into the payload, packaging material, and packaging strategy and combines them into a conceptual packaging equation: packaging strategy = payload + packaging material.
Venkata S. R. Jampani, Manos Anyfantakis
wiley   +1 more source

On effect of surface tension in the Rayleigh–Taylor problem of stratified viscoelastic fluids

open access: yesBoundary Value Problems, 2019
In this article, we investigate the effect of surface tension in the Rayleigh–Taylor (RT) problem of stratified incompressible viscoelastic fluids. We prove that there exists an unstable solution to the linearized stratified RT problem with a largest ...
Xingrui Ma, Xianzhu Xiong
doaj   +1 more source

Origin of granular axial segregation bands in a rotating tumbler: An interface-mixing driven Rayleigh-Taylor instability

open access: yesPhysical Review Research
The origin of large and small particle axial bands in long rotating tumblers is a long-standing question. Using DEM simulations, we show that this axial segregation is due to a Rayleigh-Taylor instability which is characterized by the fact that the ...
Umberto D'Ortona   +2 more
doaj   +1 more source

Viscous Potential Flow Analysis of Electrohydrodynamic Rayleigh-Taylor Instability

open access: yesJournal of Applied Fluid Mechanics, 2014
A linear analysis of Rayleigh-Taylor instability in the presence of tangential electric field has been carried out using viscous potential flow theory.
M. K. Awasthi, D. Yadav, G.S. Agrawal
doaj  

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