Results 61 to 70 of about 2,436,355 (386)

Slowing of the Solar Wind in the Outer Heliosphere

open access: yesAstrophysical Journal, 2019
This study provides a deeper understanding of how the solar wind evolves with increasing distance from the Sun as it encounters an increasing amount of interstellar material.
H. Elliott   +17 more
semanticscholar   +1 more source

Proton and Electron Temperatures in the Solar Wind and Their Correlations with the Solar Wind Speed

open access: yesThe Astrophysical Journal, 2023
Abstract The heating and acceleration of the solar wind remains one of the unsolved fundamental problems in heliophysics. It is usually observed that the proton temperature T i is highly correlated with the solar wind speed V SW, while the electron temperature T
Chen 辰 Shi 时   +10 more
openaire   +5 more sources

Effect of multi-donor doping on structure and electrical properties of DC ZnO varistor ceramics

open access: yesCailiao gongcheng, 2022
Direct-current ZnO varistor ceramic samples were prepared by traditional ceramic sintering process with B2O3, In2O3 and Al2O3multi-donor doping. The effects of B2O3 doping ratio (0.1%-0.4%, molar fraction) on the microstructure and electrical properties ...
CHENG Kuan   +2 more
doaj   +1 more source

Modeling the formation and evolution of solar wind microstreams: from coronal plumes to propagating Alfvénic velocity spikes [PDF]

open access: yesarXiv, 2023
We investigate the origin of mesoscale structures in the solar wind called microstreams defined as enhancements in solar wind speed and temperature that last several hours. They were first clearly detected in Helios and Ulysses solar wind data and are now omnipresent in the "young" solar wind measured by Parker Solar Probe and Solar Orbiter.
arxiv  

Stability of Parker's Solar Wind Solution Near the Solar Surface [PDF]

open access: yes, 2020
Stability of Parker's steady solar wind solution near the solar surface is systematically investigated by posing a Sturm-Liouville problem for this solution. Parker's solar wind solution, whether it turns into a breeze or a supersonic wind depending on the pressure in the interstellar medium, is shown to describe the solar wind to start in a stable way
arxiv   +1 more source

Characterization of the Turbulent Magnetic Integral Length in the Solar Wind: From 0.3 to 5 Astronomical Units [PDF]

open access: yes, 2014
The solar wind is a structured and complex system, in which the fields vary strongly over a wide range of spatial and temporal scales. As an example, the turbulent activity in the wind affects the evolution in the heliosphere of the integral turbulent ...
Dasso, S.   +3 more
core   +2 more sources

Wavelet Analysis on Solar Wind Parameters and Geomagnetic Indices [PDF]

open access: yes, 2012
The sun as an oscillator produces frequencies which propagate in the heliosphere, via solar wind, to the terrestrial magnetosphere. We searched for those frequencies in the parameters of the near Earth solar plasma and the geomagnetic indices for the past four solar cycles.
arxiv   +1 more source

Charge States and FIP Bias of the Solar Wind from Coronal Holes, Active Regions, and Quiet Sun [PDF]

open access: yes, 2017
Connecting in-situ measured solar-wind plasma properties with typical regions on the Sun can provide an effective constraint and test to various solar wind models. We examine the statistical characteristics of the solar wind with an origin in different types of source regions.
arxiv   +1 more source

Magnetospheric Cavity Modes Driven by Solar Wind Dynamic Pressure Fluctuations

open access: yes, 2010
We present results from Lyon-Fedder-Mobarry (LFM) global, three-dimensional magnetohydrodynamic (MHD) simulations of the solar wind-magnetosphere interaction.
Han   +15 more
core   +1 more source

Solar cycle dependence of scaling in solar wind fluctuations [PDF]

open access: yes, 2008
In this review we collate recent results for the statistical scaling properties of fluctuations in the solar wind with a view to synthesizing two descriptions: that of evolving MHD turbulence and that of a scaling signature of coronal origin that ...
Chapman, Sandra C., Hnat, B., Kiyani, K.
core   +4 more sources

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