Results 11 to 20 of about 46,680 (310)

Simulation of the impact of the atmospheric weather state on the efficiency of functioning of solar thermal and power plants

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2022
THE PURPOSE. Determine the impact of the meteorological state of the atmosphere on the efficiency of the functioning of solar thermal and power plants. Modeling the molecular absorption of solar radiation by the atmosphere.
N. I. Moskalenko   +4 more
doaj   +1 more source

Mathematical modeling of the physical mechanism of wave flux generation at the photospheric level for different stages of the solar activity cycle [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: Физика, 2022
Background and Objectives: The nonlinear phase of the development of Parker’s instability of large-scale oscillations of magnetic fields at various depths of the convective zone of the Sun up to the stage of saturation is investigated.
Stepanov, Evgeniy Alexandrovich   +4 more
doaj   +1 more source

Mathematical modeling of the Parker’s instability development of large-scale vibrations of magnetic fields in the sun convective zone [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: Физика, 2021
Background and Objectives: The physical mechanism of the generation of a steady wave flow at the photospheric level is studied, which ensures anomalous heating of the solar atmosphere at various stages of the solar activity cycle.
Stepanov, Evgeny Alexandrovich   +4 more
doaj   +1 more source

Impact of Solar Activity on Global Atmospheric Circulation Based on SD-WACCM-X Simulations from 2002 to 2019

open access: yesAtmosphere, 2021
In this study, a global atmospheric model, Specified Dynamics Whole Atmosphere Community Climate Model with thermosphere and ionosphere eXtension (SD-WACCM-X), and the residual circulation principle were used to study the global atmospheric circulation ...
Chen-Ke-Min Teng   +3 more
doaj   +1 more source

The Effect of Flow and Magnetic Twist on Resonant Absorption of Slow MHD Waves in Magnetic Flux Tubes

open access: yesThe Astrophysical Journal, 2023
Observations show that there are twisted magnetic flux tubes and plasma flow throughout the solar atmosphere. The main purpose of this work is to obtain the damping rate of sausage modes in the presence of magnetic twist and plasma flow.
Mohammad Sadeghi   +2 more
doaj   +1 more source

p-Mode Oscillations in Highly Gravitationally Stratified Magnetic Solar Atmospheres

open access: yesPhysics, 2023
The aim of the study reported in this paper is to gain understanding of solar global oscillations and the propagation characteristics of p-mode oscillations in the highly gravitationally stratified magnetic solar atmosphere.
Michael Griffiths   +4 more
doaj   +1 more source

September 2017 Solar Flares Effect on the Middle Atmosphere

open access: yesRemote Sensing, 2022
This paper examines the response of the upper atmosphere to increased radiation following exceptional solar activity in September 2017. The active region of the Sun AR2673 has caused intense solar-terrestrial disturbance. This active region has generated
Polina Pikulina   +3 more
doaj   +1 more source

Advanced Γ Method for Small-scale Vortex Detection in the Solar Atmosphere

open access: yesThe Astrophysical Journal Supplement Series, 2023
Ubiquitous vortical structures are considered to act as a natural source of various solar plasma phenomena, for example, a wide range of magnetohydrodynamic waves and jet excitations. This work aims to develop an advanced vortex detection algorithm based
Yuyang Yuan   +4 more
doaj   +1 more source

Analytical Solution of the Hanle Effect in View of CLASP and Future Polarimetric Solar Studies

open access: yesAtoms, 2019
We have solved a problem of the Hanle effect for the hydrogen Lyman- α line in an intuitive and straightforward way. The Stokes parameters amid an anisotropic radiation field and a magnetic field are derived as an analytical formula which ...
Motoshi Goto   +3 more
doaj   +1 more source

Influence of the Magnetic Field Topology in the Evolution of Small-Scale Two-Fluid Jets in the Solar Atmosphere

open access: yesPhysics, 2023
In this paper, a series of numerical simulations is performed to recreate small-scale two-fluid jets using the JOANNA code, considering the magnetohydrodynamics of two fluids (ions plus electrons and neutral particles).
Elton Everardo Díaz-Figueroa   +2 more
doaj   +1 more source

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