Results 81 to 90 of about 3,903 (221)
A NUMERICAL APPROACH TO OHMIC LOSSES ASSESSMENT IN CONCENTRATING PHOTOVOLTAIC SYSTEMS [PDF]
, 2012 It is well known that concentrator solar cells operating under concentration experience a number of physical effects which affect their performances. In particular, ohmic losses can determine a noticeable performance worsening of concentrator solar cells.
Pasquini, Matteo
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The Gondola for the Sunrise iii Balloon-Borne Solar Observatory [PDF]
Publisher Copyright: © The Author(s) 2025.Sunrise iii is a balloon-borne solar observatory dedicated to investigating the physics governing the magnetism and dynamics in the lower solar atmosphere.
Korpi-Lagg, Andreas +24 more
core +1 more source
The Astrophysical JournalFull-disk measurements of the solar magnetic field by the Helioseismic and Magnetic Imager (HMI) are often used for magnetic field extrapolations, but its limited spatial and spectral resolution can lead to significant errors.
C. Beck +5 more
doaj +1 more source
Journal of Geophysical Research: Space Physics, Volume 131, Issue 2, February 2026.Abstract Solar superflares of S‐class (>X10 in soft X‐rays) pose extreme space weather hazards, yet their prediction remains a fundamental challenge owing to their rapid and transient natures and the limitations of conventional event‐based forecasts. We introduce for the first time, a probabilistic spatiotemporal framework designed to identify extended
V. M. Velasco Herrera +12 more
wiley +1 more source
Spatial stratification of acoustic oscillations in the solar photosphere [PDF]
, 2005 Space-time variations of solar atmosphere parameters are derived by solving non-equilibrium radiation transfer problem. Acoustic oscillations were extracted using k − ω filtration of variations.
Stodilka, M.I.
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The Relationship between Kinetic and Magnetic Helicity in Solar Active Regions
The Astrophysical JournalUsing Helioseismic and Magnetic Imager/Solar Dynamics Observatory data, we search for a relationship between kinetic helicity and magnetic helicity in solar active regions (ARs) using a sample of 62 ARs from 2010 May to 2015 May.
Yang Liu +5 more
doaj +1 more source
Space Weather, Volume 24, Issue 2, February 2026.Abstract A demonstrated failure mode for operational solar flare forecasting is the inability to forecast flares that occur near, or just beyond, the solar limb. To address this shortcoming, we develop a “4π $4{\uppi }$” full‐heliosphere event forecasting framework and evaluate its statistical classification ability against this specific challenge.
K. D. Leka +5 more
wiley +1 more source
Power spectra and multifractal structure of the intensity fluctuations in the solar photosphere [PDF]
, 1999 We analyze the scaling properties of the intensity fluctuations in the solar photosphere. This analysis is based on monochromatic and white light images obtained at the THEMIS telescope with the Italian Panoramic Monochromator.
Lepreti, F +8 more
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Magnetohydrodynamic code for gravitationally-stratified media [PDF]
, 2008 Aims. We describe a newly-developed magnetohydrodynamic (MHD) code with the capacity to simulate the interaction of any arbitrary perturbation (i.e., not necessarily limited to the linearised limit) with a magnetohydrostatic equilibrium background ...
Shelyag, S. +15 more
core +1 more source
Journal of Geophysical Research: Space Physics, Volume 131, Issue 1, January 2026.Abstract Recent observations from Parker Solar Probe and Solar Orbiter highlight the importance of Alfvén waves in solar coronal heating and particle acceleration. In this study, we investigate inertial Alfvén waves (IAWs), which operate at electron inertial scales, as a potential mechanism for plasma heating and charged particle acceleration in the ...
S. Ayaz +5 more
wiley +1 more source