Results 21 to 30 of about 17,269 (241)

The Use of Evolutionary Algorithms in the Modelling of Diffuse Radiation in Terms of Simulating the Energy Efficiency of Photovoltaic Systems

open access: yesEnergies, 2023
In light of the rapidly growing number of photovoltaic micro-grids, the modelling of their short-term power yields based on meteorological measurements is increasing in significance.
Wiktor Olchowik   +2 more
doaj   +1 more source

UV and global irradiance measurements and analysis during the Marsaxlokk (Malta) campaign [PDF]

open access: yesAdvances in Science and Research, 2015
A solar radiation measurement campaign was performed in the south-eastern village of Marsaxlokk (35°50' N; 14°33' E; 10 m a.s.l), Malta, between 15 May and 15 October 2012.
J. Bilbao   +4 more
doaj   +1 more source

Performance Enhancement of the Basic Solar Chimney Power Plant Integrated with an Adsorption Cooling System with Heat Recovery from the Condenser

open access: yesEnergies, 2023
In a previous work, a solar chimney power plant integrated with a solid sorption cooling system for power and cold cogeneration was developed. This prior work showed that reusing the heat released from the adsorption bed enhances the system’s utilization
Hassan Zohair Hassan
doaj   +1 more source

Prompt responses of magnetospheric whistler-mode waves to solar wind dynamic pressure pulses

open access: yesFrontiers in Astronomy and Space Sciences, 2023
Whistler-mode waves play a critical role in shaping the Earth’s radiation belts, and their spatiotemporal distribution is vital for forecasting and modeling geospace weather.
Nigang Liu   +4 more
doaj   +1 more source

Statistical and Physical Analysis of the External Factors Perturbation on Solar Radiation Exergy

open access: yesEntropy, 2003
: The purpose of this paper is to analyze the external factor perturbations on solar radiation. Firstly, the influence on the photon distribution function in the space of frequencies is analyzed and, later, the modification generated in equations of ...
José Vincente Boscà   +2 more
doaj   +1 more source

Anatomy, chlorophyll content and photosynthetic potential in grapevine leaves under plastic cover

open access: yesRevista Brasileira de Fruticultura, 2012
The present study evaluated the anatomy, chlorophyll content and photosynthetic potential of grapevine leaves grown under plastic cover. The experiment was carried out in vineyards of Moscato Giallo cultivar covered and uncovered with plastic.
Geraldo Chavarria   +4 more
doaj   +1 more source

Simultaneously Optimization of Solar Water Heater Design Parameters Considering Consumption Patterns [PDF]

open access: yesمجله مدل سازی در مهندسی, 2017
Hot water distribution for different purposes is one of the most important factors which have not been studied in solar water heater design. The main goal in the solar water heater installation is to receive the maximum solar radiation on a unit surface ...
Abbas Rajabi Khanghahi   +2 more
doaj   +1 more source

Spectral Sensitivity of Thermally Modified and Unmodified Wood

open access: yesBioResources, 2015
The chemical structure of wood changes significantly during thermal modification, significantly influencing the behaviour of wood during weathering.
Dace Cirule   +6 more
doaj   +1 more source

Solar energy for liquid wastewater treatment with novel TiO2 supported catalysts

open access: yesEnergy Reports, 2022
Photocatalytic oxidation is promising technology for removal of recalcitrant pollutants from water. Solar energy can be an interesting radiation source since the operating costs can be lower.
Rui C. Martins   +5 more
doaj   +1 more source

Structure and Properties of Highly Porous Alumina-Based Ceramic Materials after Heating by Concentrated Solar Radiation

open access: yesCeramics, 2021
Three ceramic fibrous materials of the Al2O3-SiO2 system with different densities have been treated using concentrated solar radiation. The experiment was performed using technological capabilities of the Big Solar Furnace in the 2 modes: the first mode ...
Vladimir G. Babashov   +4 more
doaj   +1 more source

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