Results 51 to 60 of about 2,401,515 (233)

Aerodynamic efficiency assessment of a cross-axis wind turbine integrated with an offshore deflector

Heliyon
The present work examines the performance of an offshore cross-axis wind turbine (CAWT) with a flow deflector by integrating numerical and analytical methods.
Sam Saham, Saber Rezaey
doaj   +1 more source

Aerodynamic Analysis of a Two-Bladed Vertical-Axis Wind Turbine Using a Coupled Unsteady RANS and Actuator Line Model

Energies, 2020
Close-packed contra-rotating vertical-axis turbines have potential advantages in wind and hydrokinetic power generation. This paper describes the development of a numerical model of a vertical axis turbine with a torque-controlled system using an ...
Ruiwen Zhao, Angus C. W. Creech, Alistair G. L. Borthwick, Vengatesan Venugopal, Takafumi Nishino   +4 more
doaj   +1 more source

Deciphering Intricacies in Directional CO2 Conversion From Electrolysis to CO2 Batteries

Advanced Energy Materials, EarlyView.
This review will delve into the inherent connections and distinctions of CO2‐directed conversion in ECO2RR and CO2 batteries, in terms of product types, catalyst selection, catalytic mechanisms, and electrochemical performances, while proposing a benchmarking framework for the evaluation of CO2 batteries and innovative CO2 battery configurations for ...
Changfan Xu, Huaping Zhao, Lizhuang Chen, Weidong Shi, Guosheng Shao, Yong Lei   +5 more
wiley   +1 more source

Effect of gurney flaps on the performance of a vertical axis wind turbine under icing condition

International Journal of Renewable Energy Development
To investigate the operational characteristics of a vertical-axis wind turbine equipped with Gurney flap blades in icy conditions, the study employs the pitching and sinking movements of an individual blade to replicate the cyclic oscillations ...
Hexiang Yu, Zhehui Zheng, Pei Yang
doaj   +1 more source

Structural optimal design and power generation characteristics of a bionic type nautilus vertical axis wind turbine

The Journal of Engineering, 2022
Nautilus vertical axis wind turbine is a new breed which is being designed and developed through bionics and geometry, this kind of wind turbine is not only novel in appearance, and stable in structure, but also has excellent aerodynamic performance ...
Zheng Li, Menghai Gao, Xin Cao, Liyuan Cheng, Xueting Wang, Guoqing An, Hexu Sun   +6 more
doaj   +1 more source

Testing of the FolksWind 1.5kW vertical axis wind turbine [PDF]

, 2011
In recent years the small wind industry has shown exponential growth; however there have been growing concerns over the safety and reliability of small wind turbines on the market. The International Electrotechnical Committee and the International Energy
Williamson, Bethany
core  

Double Helix Structure for Stable Flexural Actuation in Soft Robotics

Advanced Intelligent Systems, EarlyView.
This work introduces a double‐helical architecture for soft robotic actuators that enhances twisting resistance, increases output force, and minimizes undesired deformation. Actuators driven by shape‐memory alloy wires exhibit a roughly fivefold higher torsional/flexural stiffness ratio and 50% greater force output.
Louis Plottel, Richard Desatnik, Dinesh K. Patel, Philip LeDuc, Carmel Majidi   +4 more
wiley   +1 more source

Numerical simulation in vertical wind axis turbine with pitch controlled blades [PDF]

, 2012
Wind energy is more and more used as a renewable energy source character. The present wind turbine is a small one which allows to be used on roofs or in gardens to light small areas like publicity boards, parking, roads or for water pumping, heating ...
SIMONET, Sophie, BOIS, Gérard, BAYEUL-LAINÉ, Annie-Claude, DOCKTER, Aurore   +3 more
core  

Bioconvective Unsteady Casson Hybrid Nanofluid Flow on a Variable Darcy Regime Between Two Rotating Disks With Variable Heat Source

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT This study carries significant consequences in various engineering applications, such as cooling rotating disk surfaces, improving chemical reactor performance, and designing filtration systems. Considering these main applications in view, the aim of this study is to investigate time‐dependent Casson hybrid nanofluid flow on a permeable ...
Ebrahem A. Algehyne, Abdul Bariq, Mounirah Areshi, Fahad Maqbul Alamrani, Zehba Raizah, Izharul Haq, Anwar Saeed   +6 more
wiley   +1 more source

Hybrid Inertial–Centrifugal Gas–Liquid Separator: CFD‐Driven Optimization Using Coupled Discrete Phase and Wall‐Film Modeling With Response Surface Methodology

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Efficient removal of liquid aerosols from compressed gas streams is essential in chemical and energy processes. Conventional separators relying on a single mechanism (inertial or centrifugal) struggle to capture both fine and coarse droplets simultaneously.
Son Ung Kang, Phyong Jon Thak, Kyong Jun Ri, Chung Hyok Choe   +3 more
wiley   +1 more source