Nonlinear ionospheric responses to large‐amplitude infrasonic‐acoustic waves generated by undersea earthquakes
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Geophysical Research"
DOI: 10.1002/2016ja023159
Abstract: Numerical models of ionospheric coupling with the neutral atmosphere are used to investigate perturbations of plasma density, vertically integrated total electron content (TEC), neutral velocity, and neutral temperature associated with large-amplitude acoustic waves generated by… read more here.
Keywords: waves generated; tec depletions; ionospheric responses; acoustic waves ... See more keywords
Dissipative ion‐acoustic waves in collisional electron‐positron‐ion plasmas with Kappa distribution
Sign Up to like & getrecommendations! Published in 2019 at "Contributions to Plasma Physics"
DOI: 10.1002/ctpp.201900006
Abstract: In this work, linear and non‐linear structures of ion‐acoustic waves (IAWs) are investigated in a collisional plasma consisting of warm ions, superthermal electrons, and positrons. A dissipative effect is assumed due to ion‐neutral collisions. The… read more here.
Keywords: dissipative ion; acoustic waves; ion acoustic; waves collisional ... See more keywords
Influence of external magnetic field on dust acoustic waves in a capacitive RF discharge
Sign Up to like & getrecommendations! Published in 2019 at "Contributions to Plasma Physics"
DOI: 10.1002/ctpp.201900115
Abstract: This paper reports experiments on self$-$excited dust acoustic waves (DAWs) and its propagation characteristics in a magnetized rf discharge plasma. The DAWs are spontaneously excited in dusty plasma after adding more particles in the confining… read more here.
Keywords: external magnetic; field; acoustic waves; discharge ... See more keywords
Ionizing radiation‐induced acoustics for radiotherapy and diagnostic radiology applications
Sign Up to like & getrecommendations! Published in 2018 at "Medical Physics"
DOI: 10.1002/mp.12929
Abstract: &NA; Acoustic waves are induced via the thermoacoustic effect in objects exposed to a pulsed beam of ionizing radiation. This phenomenon has interesting potential applications in both radiotherapy dosimetry and treatment guidance as well as… read more here.
Keywords: acoustics; radiation induced; radiology; acoustic waves ... See more keywords
Evolution of Time-Harmonic Electromagnetic and Acoustic Waves Along Waveguides
Sign Up to like & getrecommendations! Published in 2017 at "Integral Equations and Operator Theory"
DOI: 10.1007/s00020-018-2472-4
Abstract: We study time-harmonic electromagnetic and acoustic waveguides, modeled by an infinite cylinder with a non-smooth cross section. We introduce an infinitesimal generator for the wave evolution along the cylinder and prove estimates of the functional… read more here.
Keywords: evolution time; electromagnetic acoustic; harmonic electromagnetic; time ... See more keywords
Long-Term Variation of Helioseismic Far-Side Images and What Causes It
Sign Up to like & getrecommendations! Published in 2021 at "Solar Physics"
DOI: 10.1007/s11207-021-01937-8
Abstract: A new time–distance far-side imaging technique was recently developed by utilizing multiple multi-skip acoustic waves. The measurement procedure is applied to 11 years of Doppler observations from the Solar Dynamics Observatory / Helioseismic and Magnetic… read more here.
Keywords: time; travel time; acoustic waves; side images ... See more keywords
A Sounding Rocket Experiment to Control Boiling by Means of Acoustic Waves
Sign Up to like & getrecommendations! Published in 2018 at "Microgravity Science and Technology"
DOI: 10.1007/s12217-018-9656-z
Abstract: One of the most critical issues when considering long-term space exploration missions is the management and storage of cryogenic propellants. The exposure of storage tanks to radiation and extreme temperatures implies the need of efficient… read more here.
Keywords: rocket experiment; control boiling; acoustic waves; experiment control ... See more keywords
Phenomenological Investigation of Drop Manipulation Using Surface Acoustic Waves
Sign Up to like & getrecommendations! Published in 2020 at "Microgravity Science and Technology"
DOI: 10.1007/s12217-020-09839-3
Abstract: This paper aims at the investigation of acoustic streaming produced by surface acoustic waves (SAWs) in a drop. Computational simulation of acoustofluidic phenomenon, using lattice Boltzmann method (LBM), presenting acoustic applications in flow control, and… read more here.
Keywords: drop; zinc oxide; surface acoustic; oxide silicon ... See more keywords
Nonlinear propagation of ion-acoustic waves in self-gravitating dusty plasma consisting of non-isothermal two-temperature electrons
Sign Up to like & getrecommendations! Published in 2017 at "Indian Journal of Physics"
DOI: 10.1007/s12648-015-0826-1
Abstract: Nonlinear propagation of ion-acoustic waves in self-gravitating multicomponent dusty plasma consisting of positive ions, non-isothermal two-temperature electrons and negatively charged dust particles with fluctuating charges and drifting ions has been studied using the reductive perturbation… read more here.
Keywords: propagation ion; ion acoustic; acoustic waves; ion ... See more keywords
Arbitrary electron acoustic waves in degenerate dense plasmas
Sign Up to like & getrecommendations! Published in 2017 at "Indian Journal of Physics"
DOI: 10.1007/s12648-016-0935-5
Abstract: A theoretical investigation is carried out of the nonlinear dynamics of electron-acoustic waves in a collisionless and unmagnetized plasma whose constituents are non-degenerate cold electrons, ultra-relativistic degenerate electrons, and stationary ions. A dispersion relation is… read more here.
Keywords: arbitrary electron; degenerate dense; electron acoustic; acoustic waves ... See more keywords
Comment on “Dust-Ion-Acoustic Waves in unmagnetized 4-component plasma”. [Adv. Space Res. 67 (2021) 1244–1253]
Sign Up to like & getrecommendations! Published in 2021 at "Advances in Space Research"
DOI: 10.1016/j.asr.2021.06.016
Abstract: Abstract In this comment, a Sagdeev pseudopotential analysis is used to illustrate signficant errors in the paper entitled “Dust-Ion-Acoustic Waves in unmagnetized 4-component plasma” [Adv. Space Res. 67, 1244–1253 (2021)]. It is shown that this… read more here.
Keywords: dust ion; unmagnetized component; waves unmagnetized; ion acoustic ... See more keywords