Results 1 to 10 of about 5,729 (117)

Nanofluids for Direct-Absorption Solar Collectors—DASCs: A Review on Recent Progress and Future Perspectives [PDF]

open access: yesNanomaterials, 2023
Owing to their superior optical and thermal properties over conventional fluids, nanofluids represent an innovative approach for use as working fluids in direct-absorption solar collectors for efficient solar-to-thermal energy conversion. The application
Hussein Sayed Moghaieb   +5 more
doaj   +2 more sources

Energy and exergy analysis of an enhanced solar CCHP system with a collector embedded by porous medi

open access: yesJournal of Thermal Engineering, 2021
The low efficiency of Collectors that absorb energy can be mentioned as one of the drawbacks in solar cogeneration cycles. In the present study, solar systems have been improved by adding porous media and Nanofluid to collectors.
N. TONEKABONI   +3 more
doaj   +1 more source

Energy, exergy, environmental and economic comparison of various solar thermal systems using water and Thermia Oil B base fluids, and CuO and Al2O3 nanofluids

open access: yesEnergy Reports, 2020
Recently, the use of solar thermal collectors has increased significantly. In the present work, energy, exergy, enviroeconomic and exergoeconomic analyses of various solar thermal collectors are investigated.
Weibiao Huang, Mohammad Marefati
doaj   +1 more source

Low-Cost Solar Collectors to Pre-Heat Ventilation Air in Broiler Houses

open access: yesEnergies, 2022
The objective of the study was to evaluate the effect of a low-cost solar collector to pre-heat ventilation air in commercial broiler buildings on supplemental heating demand and air quality during the cold season. Six black fabric-based solar collectors
Yi Liang   +2 more
doaj   +1 more source

An Updated Review of Solar Cooling Systems Driven by Photovoltaic–Thermal Collectors

open access: yesEnergies, 2023
Solar cooling systems are widely used in the building sector, as they can utilize low-grade solar energy to reduce carbon emissions. To improve the thermodynamic performance and economic performance of solar cooling systems, solar cooling systems driven ...
Cong Jiao, Zeyu Li
doaj   +1 more source

A review of solar air collectors with baffles and porous medium: Type and applicatios

open access: yesAl-Qadisiyah Journal for Engineering Science, 2023
The use of different types of porous media and barriers inside solar air heaters is our goal in this survey article. The influence of different barriers and porous materials of various shapes and types within the solar air collectors and the impact of ...
Mustafa Fouad Yousif, Maathe A. Theeb
doaj   +1 more source

The Comparison of Solar Energy Gaining Effectiveness between Flat Plate Collectors and Evacuated Tube Collectors with Heat Pipe: Case Study

open access: yesEnergies, 2020
In Poland, various solar collector systems are used; among them, the most popular are flat plate collectors (FPCs) and evacuated tube collectors (ETCs). The work presents two installations located at a distance of 80 km apart, working in similar external
Piotr Olczak   +2 more
doaj   +1 more source

Economic Analysis of Flat-Plate and U-Tube Solar Collectors Using an Al2O3 Nanofluid

open access: yesEnergies, 2017
In this study, the efficiencies of flat-plate and U-tube solar collectors were investigated experimentally when an Al2O3 nanofluid was used as a working fluid and compared to those of solar collectors using water.
Woobin Kang, Yunchan Shin, Honghyun Cho
doaj   +1 more source

Heat transfer enhancement and applications of thermal energy storage techniques on solar air collect

open access: yesJournal of Thermal Engineering, 2023
Solar air collectors have been used in a variety of industrial applications, prompting a study and summary of various studies on the topic. Solar collectors’ exceptional energy conversion and storage outputs have piqued curiosity in the field of energy ...
Kafel AZEEZ   +3 more
doaj   +1 more source

Enhancements in Thermal energy storage systems employed in Solar Thermal Collectors [PDF]

open access: yesE3S Web of Conferences
Thermal projects are gaining popularity in the solar energy research community owing to their substantial energy storage density and efficiency in converting energy. Solar thermal collectors are technologies made to capture solar radiation and convert it
Rahman F., Lalnunthari
doaj   +1 more source

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