Results 231 to 240 of about 97,401 (255)

Modeling and Experimental Study of a Dual‐Receiver Parabolic Solar Concentrator for Direct Electricity Generation and Thermal Storage for Isolated Sites

open access: yesEnergy Science &Engineering, EarlyView.
Approximately 64% of the population in sub‐Saharan Africa lacks access to electricity, despite the region's high solar potential, making concentrated solar power a promising solution for decentralized and sustainable energy supply. This study presents the design, construction, and testing of a parabolic solar concentrator with two focal‐point receivers
Sani Dan Nomao Harouna   +6 more
wiley   +1 more source

Binary Nanoparticle Combinations in Acetone‐Based Working Fluids for Thermal Performance Enhancement of Evacuated Tube Solar Water Collectors

open access: yesEnergy Science &Engineering, EarlyView.
Illustration of the work. ABSTRACT This experimental investigation evaluates the thermal performance enhancement of evacuated tube solar water collectors through the implementation of binary nanofluid formulations using acetone as the base fluid. Three metal oxide nanoparticles, including magnesium oxide (MgO), copper oxide (CuO), and titanium dioxide (
Ali Basem   +5 more
wiley   +1 more source

Exploring Low‐Concentrating Photovoltaic Systems and Solar Cell Solutions for Nigeria's Renewable Energy Future

open access: yesEnergy Science &Engineering, EarlyView.
This study explores the potential of solar PV and concentrating PV (CPV) technologies as sustainable energy solutions for Nigeria, highlighting their suitability in transitioning away from fossil fuels. By harnessing abundant solar resources, these technologies offer efficient, clean, and locally adaptable alternatives, supporting energy security ...
Sani Mohammed Lawal   +4 more
wiley   +1 more source

Polymer Stress‐Tensor Calculation for a Laminar Submerged Viscoelastic Jet Flow Using Different Constitutive Models

open access: yesInternational Journal for Numerical Methods in Fluids, EarlyView.
This study presents an efficient method to compute polymer stress‐tensor components in viscoelastic laminar jet flows using models such as Oldroyd‐B, Giesekus, PTT, and FENE. By assuming a stationary and parallel flow, the methodology significantly reduces computational cost.
Rafael de Lima Sterza   +3 more
wiley   +1 more source

Review of millimeter‐wave and terahertz near‐field synthetic aperture radar imaging technology

open access: yesInfoScience, EarlyView.
Abstract This paper comprehensively reviews the development of millimeter‐wave (MMW) and terahertz (THz) near‐field imaging technologies, with an emphasis on the state of synthetic aperture radar (SAR)‐based imaging technologies. Near‐field imaging technologies are categorized into passive and active imaging modes, among which active imaging is favored
Qi Yang   +3 more
wiley   +1 more source

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