Results 71 to 80 of about 1,960,440 (218)

Experimental and theoretical evaluation of bifacial photovoltaic thermal collectors [PDF]

open access: yesComputational Ecology and Software, 2019
This paper represents the theoretical and experimental performances of solar collector using an array of a single pass - air photovoltaic (PV) cells; replacing a diffuse reflector under a bifacial PV module (with an acceptable distance) instead of ...
P. Ooshaksaraei   +2 more
doaj  

Polymeric Sorbents as Energy‐Efficient Alternative to Cryogenic Distillation for Light Hydrocarbon Purification

open access: yesAdvanced Materials, Volume 38, Issue 57, 13 October 2026.
The transition from cryogenic distillation to polymeric sorbents for light hydrocarbon purification is crucial for energy and environmental sustainability. The polymeric sorbents are engineered to separate gas mixtures based on their specific properties.
Kelechi Festus   +9 more
wiley   +1 more source

Employing RSM to model thermal performance and exergy destruction of LS-3 parabolic trough collector by coupling MCRT and CFD techniques

open access: yesCase Studies in Thermal Engineering
This study investigates the thermal performance and exergy destruction of parabolic trough collector by Response Surface Methodology. This collector is simulated by the Monte Carol Ray Tracing method and the results are coupled to the Computational Fluid
Wajdi Rajhi   +6 more
doaj   +1 more source

Dynamic Exergy Analysis for the Thermal Storage Optimization of the Building Envelope

open access: yesEnergies, 2017
As a measure of energy “quality”, exergy is meaningful for comparing the potential for thermal storage. Systems containing the same amount of energy could have considerably different capabilities in matching a demand profile, and exergy measures this ...
Valentina Bonetti   +1 more
doaj   +1 more source

Study on Corrosion and Thermal Alteration of MgAl2O4 and MgO Ceramics With Lead at 750 °C for Use in High‐Temperature Thermal Energy Storage

open access: yesEnergy Technology, Volume 14, Issue 10, October 2026.
The chemical compatibility of five commercial ceramics with varying MgO and Al2O3 content is studied in contact with liquid lead (Pb) at 700 °C for potential use in high‐temperature Pb‐based thermal energy storage. After 1008 h of static exposure, the samples are analyzed using a scanning electron microscope coupled with energy‐dispersive spectroscopy ...
Margaux Zehnder   +3 more
wiley   +1 more source

Thermo-Economic Analysis of Triple Production System, Combination with Solid Oxide Fuel Cell and Absorption Chiller [PDF]

open access: yesHydrogen, Fuel Cell & Energy Storage
This article introduces and analyzes the thermodynamic and economic performance of two triple hybrid systems that generate power, thermal and refrigeration energy. The primary drive is a hybrid cycle consisting of a gas turbine and solid oxide fuel cell,
Sonia Hosseini   +2 more
doaj   +1 more source

Effects of Camber of S‐Series Airfoils on Aerodynamic Performance, Entropy Generation Rate, Irreversibility, and Second Law Efficiency of Horizontal Axis Wind Turbines

open access: yesEnergy Science &Engineering, Volume 14, Issue 10, Page 4789-4809, October 2026.
Due to the depletion of fossil fuels, enhancing wind turbine efficiency is crucial. Utilizing airfoils with high lift‐to‐drag ratios significantly improves power generation by optimizing aerodynamic parameters. Furthermore, entropy generation analysis serves as an effective method for design optimization by minimizing energy losses and exergy ...
Mitra Yadegari
wiley   +1 more source

Exergy analysis of engines fuelled with biodiesel from high oleic soybeans based on experimental values

open access: yes, 2010
This study dealt with energy and exergy analyses of a John Deere 4045T diesel engine run with no. 2 diesel fuel, Soybean oil Methyl Ester (SME) and High-Oleic soybean oil Methyl Ester (HOME) at 1400 1/min.
Caliskan H.   +12 more
core   +1 more source

Thermodynamic Investigation of an Integrated Solar Combined Cycle with an ORC System

open access: yesEntropy, 2019
An integrated solar combined cycle (ISCC) with a low temperature waste heat recovery system is proposed in this paper. The combined system consists of a conventional natural gas combined cycle, organic Rankine cycle and solar fields.
Shucheng Wang, Zhongguang Fu
doaj   +1 more source

Exergy‐Based Performance Analysis and Optimization of Autonomous Fuel Cell‐Based Energy Systems With Solid Oxide and Proton Exchange Membrane Fuel Cells Fed by Biogas of Variable Composition

open access: yesFuel Cells, Volume 26, Issue 5, October 2026.
ABSTRACT This study presents a unified thermodynamic and exergy‐based assessment of autonomous fuel cell energy systems operating on biogas with varying compositions. Two alternative configurations—a solid oxide fuel cell (SOFC)‐based system and a proton exchange membrane fuel cell (PEMFC)‐based system—were evaluated using a common balance‐of‐plant ...
Evangelos Tsiaras   +2 more
wiley   +1 more source

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