Results 161 to 170 of about 273,168 (343)

Globalized Newton-Krylov-Schwarz Algorithms and Software for Parallel Implicit CFD [PDF]

open access: green, 2000
William Gropp   +3 more
openalex   +1 more source

Performance Improvement of Hybrid Vertical Axis Wind Turbines Equipped With J‐Shaped Blades

open access: yesEnergy Science &Engineering, EarlyView.
This study presents a novel hybrid vertical axis wind turbine, utilizing J‐shaped blades in Darrieus rotor. The proposed configuration shows the potential of J‐shaped blades in improving the overall performance of hybrid rotors. ABSTRACT Vertical axis wind turbines (VAWTs) are emerging as a promising solution for urban wind energy harvesting, owing to ...
Narges Kashani   +3 more
wiley   +1 more source

Critical issues in the CFD simulation of Darrieus wind turbines

open access: yes, 2016
F. Balduzzi   +4 more
semanticscholar   +1 more source

Numerical Study on the Effect of Structural Variation of S‐Shaped Flow Channel Absorber on the Thermal Performance of Line‐Focusing Fresnel Lens Solar Collector

open access: yesEnergy Science &Engineering, EarlyView.
ABSTRACT As a clean and renewable energy source, solar energy development and utilization have garnered significant attention. This study investigates the potential of Fresnel lenses to enhance the thermal efficiency of solar collectors by analyzing the effects of water flow channel structure and flow rate on heat gain.
Huaping Zhang   +5 more
wiley   +1 more source

A New Model for Calculating Voidage in Goaf Under Roof‐Cutting Pressure Relief Mining: Exploring the Influence of Volumetric Strain on Voidage From the Perspective of Finite Element

open access: yesEnergy Science &Engineering, EarlyView.
ABSTRACT Roof cutting and pressure relief mining technology has been applied in coal mine enterprises because of its advantages of improving the resource utilization rate. Compared to the previous longwall mining mode, the roof unloading and caving characteristics of goaf have undergone significant changes, leading to different patterns of overlying ...
Mengke Liu   +4 more
wiley   +1 more source

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