Results 31 to 40 of about 1,269,157 (386)

Experimental study on thermal conductivity of mono and hybrid Al2O3–TiO2 nanofluids for concentrating solar collectors

open access: yesInternational Journal of Energy Research, 2020
Hybrid nanofluids with Therminol‐55 as base fluid and TiO2 and Al2O3 as nano additives are investigated for parabolic trough collectors. Stable mono nanofluids based on Therminol‐55 with Al2O3 and TiO2 nanoparticles, and hybrid Al2O3–TiO2 nanopowder as ...
Ovais Gulzar, Adnan Qayoum, Rajat Gupta
semanticscholar   +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  

Performance Evaluation of Flat Plate and Vacuum Tube Solar Collectors by Applying a MWCNT/Fe3O4 Binary Nanofluid

open access: yesEnergies, 2020
This study experimentally investigated the performance characteristics of water and MWCNT/Fe3O4 binary nanofluid as a working fluid in a flat plate and vacuum tube solar collectors.
Minjung Lee, Yunchan Shin, Honghyun Cho
semanticscholar   +1 more source

Selection of an Appropriate Solar Thermal Technology for Solar Vapor Absorption Cooling—An MADM Approach

open access: yesEnergies, 2022
Different solar thermal collectors have been used recently to meet the thermal requirements of single effect and double effect vapor absorption cooling systems, making selection of the correct method a challenge.
Zakariya Kaneesamkandi   +2 more
doaj   +1 more source

Solar collectors integrated into transparent facades

open access: yesProduction Engineering Archives, 2020
Due to the fact that the number of natural disasters in the world has increased in recent years, experts note that climate change is the cause. As a consequence of the nature of the needs to improve the fuel and energy complex in the countries in world ...
V. Zhelykh   +3 more
semanticscholar   +1 more source

Enhancing the thermal performance of solar collectors using nanofluids

open access: yesIOP Conference Series: Materials Science and Engineering, 2020
Solar energy remains the most ubiquitous and inexhaustible source of energy. This energy can be utilized by several approaches including the use of solar collectors.
M I Omisanya   +4 more
semanticscholar   +1 more source

The determination of space parameters of the heliostatic collector field [PDF]

open access: yesActa Montanistica Slovaca, 2006
The assurance of perpetual perpendicular insolation of solar collector absorber surface may increase the insolation energy byca 42-45 %.. A consequence of theincrease in the energy production may be the reduction of the solar collectors’ surface area ...
Dušan Kudelas   +2 more
doaj  

Improvement of energy performances of existing buildings by application of solar thermal systems [PDF]

open access: yesSpatium, 2009
Improvement of energy performances of the existing buildings in the suburban settlement Konjarnik in Belgrade, by the application of solar thermal systems is the topic presented in this paper.
Krstić-Furundžić Aleksandra   +1 more
doaj   +1 more source

Form and Operation Mode Analysis of a Novel Solar-Driven Cogeneration System with Various Collector Types

open access: yesInternational Journal of Photoenergy, 2019
In this study, the form and operation modes of a novel solar-driven cogeneration system consisted of various solar collectors (flat plat collectors (FPC), evacuated tube collectors (ETC), and parabolic trough collectors (PTC)) and ORC (organic Rankine ...
Haofei Zhang, Bo Lei, Tao Yu, Zhida Zhao
doaj   +1 more source

Solar Collectors Based оn Copper Two-Phase Thermosyphons

open access: yesИзвестия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2020
Thermosyphons and heat pipes offer great opportunities for creating pas sive heat and mass transfer systems. Various design solutions using heat pipes (thermosyphons) in solar energy systems are known. Solar energy is one of the promising energy sources,
V. I. Marynenko, V. S. Kulynych
doaj   +1 more source

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