The Solar Flux Dependence of Ionospheric 150 km Radar Echoes and Implications
Sign Up to like & getrecommendations! Published in 2017 at "Geophysical Research Letters"
DOI: 10.1002/2017gl074678
Abstract: Radar echoes from the daytime equatorial ionospheric F1 region, popularly known as “150 km echoes,” have challenged ionospheric plasma physicists for several decades. Recent theoretical simulations showed that enhanced photoelectron fluxes can amplify the amplitude of… read more here.
Keywords: 150 echoes; radar echoes; dependence; solar flux ... See more keywords
Sunward Strahl: A Method to Unambiguously Determine Open Solar Flux from In Situ Spacecraft Measurements Using Suprathermal Electron Data
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Geophysical Research"
DOI: 10.1002/2017ja024631
Abstract: A fraction of the magnetic flux which threads the photosphere reaches sufficient coronal altitude to be dragged out by the solar wind and form the heliospheric magnetic field (HMF). Directly measuring this “open solar flux”… read more here.
Keywords: situ spacecraft; solar flux; flux; method ... See more keywords
Multi-objective optimization of the aiming strategy for the solar power tower with a cavity receiver by using the non-dominated sorting genetic algorithm
Sign Up to like & getrecommendations! Published in 2017 at "Applied Energy"
DOI: 10.1016/j.apenergy.2017.07.096
Abstract: Abstract The extremely non-uniform solar flux distribution in the solar power tower plant can badly cause some crucial problems for the solar receiver such as the local hot spot, the thermal stress, and the thermal… read more here.
Keywords: solar flux; flux distribution; cavity; aiming strategy ... See more keywords
The longitudinal and hemispherical variation of the IRI’s foF2 estimates at ±40° dip angle around 95°E and 130°E sector under fluctuating solar flux conditions
Sign Up to like & getrecommendations! Published in 2019 at "Advances in Space Research"
DOI: 10.1016/j.asr.2018.12.011
Abstract: Abstract The deviation of the IRI estimates of the monthly mean foF2 in the low mid latitude of 95°E–130°E longitude sector is investigated using simultaneous ground measurements at four stations during 2010–2014. The stations form… read more here.
Keywords: solar flux; variation; sector; iri ... See more keywords
Effect of solar flux versus compositional variations on the variability of daytime oxygen optical emission rates over low- and mid-latitudes
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Atmospheric and Solar-Terrestrial Physics"
DOI: 10.1016/j.jastp.2020.105293
Abstract: Abstract Daytime oxygen airglow emission rate variability provides us with a means of remote investigations of the upper atmospheric behavior. Dayglow emission rates typically show a diurnal pattern with a peak at around noon, especially… read more here.
Keywords: solar flux; emission rates; variability; mid latitudes ... See more keywords
Changes in the daytime thermospheric gravity wave propagation characteristics over low-latitudes in response to the variation in solar flux
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Atmospheric and Solar-Terrestrial Physics"
DOI: 10.1016/j.jastp.2020.105414
Abstract: Abstract Gravity waves play an important role in the propagation of energy and momentum from the lower atmospheric regions into the upper atmosphere. Depending on the varying dissipation conditions, these waves generated in the lower… read more here.
Keywords: propagation; gravity wave; solar flux; gravity waves ... See more keywords
Numerical and experimental heat transfer analyses of a novel concentric tube absorber under non-uniform solar flux condition
Sign Up to like & getrecommendations! Published in 2017 at "Renewable Energy"
DOI: 10.1016/j.renene.2016.10.079
Abstract: The thermal performance of a novel concentric tube absorber for a conical solar collector (CSC) under forced convection was investigated by numerical and experimental analyses. In this system, the CSC assembly is mounted on dual… read more here.
Keywords: solar flux; concentric tube; tube absorber; novel concentric ... See more keywords
Multi-objective optimization of the solar absorptivity distribution inside a cavity solar receiver for solar power towers
Sign Up to like & getrecommendations! Published in 2017 at "Solar Energy"
DOI: 10.1016/j.solener.2017.09.044
Abstract: Abstract The solar flux distribution on the receiver of a solar power tower is usually not uniform, which can cause a number of problems for the energy efficiency and system safety, particularly, the local hot… read more here.
Keywords: solar absorptivity; solar flux; flux distribution; optimization ... See more keywords
Thermo-mechanical modelling of solar central receivers: Effect of incident solar flux resolution
Sign Up to like & getrecommendations! Published in 2018 at "Solar Energy"
DOI: 10.1016/j.solener.2018.03.005
Abstract: Abstract The most important constraint for central receiver design is to keep the intercepting solar flux within the tube mechanical safety limits. An error in the heliostat aiming strategy or an inaccurate estimation of the… read more here.
Keywords: resolution; temperature; tube; solar flux ... See more keywords
Comparative study on the effect of the absorber geometry, rim angle and operational modes on the distribution of the heat flux over the absorber’s surface
Sign Up to like & getrecommendations! Published in 2021 at "Solar Energy"
DOI: 10.1016/j.solener.2021.08.010
Abstract: Abstract Parabolic trough collector stands out as the most proven and widely adopted technology for concentrating solar power. A simple mathematical model based on dividing the trough’s aperture and the surface of the absorber into… read more here.
Keywords: solar flux; surface; geometry; rim angle ... See more keywords