Results 81 to 90 of about 114,880 (265)

Combined Wave and Current Flow Close to a Rippled Bed

Engineer: Journal of the Institution of Engineers, Sri Lanka, 2005
This paper describes an experimental study carried out in a laboratory water tunnel to examine the velocity distribution in combined wave and current flow close to a rippled bed. The fluid velocities, both the horizontal and the vertical components, were measured simultaneously with a laser Doppler anemometer.
openaire   +2 more sources

Enhanced Ultrasound Transmission Through Aberration Layers Using Space‐Coiling Acoustic Metamaterials

Advanced Engineering Materials, EarlyView.
Enhancing ultrasound transmission through an aberration layer exhibiting mismatched impedance with the surrounding medium possesses great implications in imaging and treatment. In this study, we show that a space‐coiling acoustic metamaterial with judiciously tailored structural profile can help improve impedance matching.
Maral Ghanami, Hengzhe Ren, Erqian Dong, Ashkan Ghanbarzadeh‐Dagheyan, Chen Shen   +4 more
wiley   +1 more source

Adaptive Foam 3D Printing of Ultralight and Multifunctional Materials

Advanced Engineering Materials, EarlyView.
Adaptive foam 3D printing, enabled by expandable microspheres, imparts cellular structures to thermoplastic and thermosetting polymers, manufactured through a variety of processes including fused filament fabrication, direct ink writing, digital light processing, and inkjet printing.
Nariman Rajabifar, Amir Ameli
wiley   +1 more source

Numerical simulation of flow-sediment dynamics in wave-current bottom boundary layer: I: flow dynamics modelling

Shui kexue jinzhan, 2019
Flow dynamics simulation in the bottom boundary layer (BBL) has great theoretical and practical significance in analyzing wave-current interaction and sediment transport. There are many BBL models,however,most of them are for single bed forms.
ZUO Liqin, LU Yongjun, ZHU Hao
doaj   +1 more source

Printed Integrated Logic Circuits Based on Chitosan‐Gated Organic Transistors for Future Edible Systems

Advanced Functional Materials, EarlyView.
Edible electronics needs integrated logic circuits for computation and control. This work presents a potentially edible printed chitosan‐gated transistor with a design optimized for integration in circuits. Its implementation in integrated logic gates and circuits operating at low voltage (0.7 V) is demonstrated, as well as the compatibility with an ...
Giulia Coco, Valerio Francesco Annese, Valerio Galli, Ilaria Penna, Debora Russo, Marina Veronesi, Rita Scarpelli, Stefania Sabella, Mario Caironi   +8 more
wiley   +1 more source

Investigation of the dynamic response of a floating wind-aquaculture platform under the combined actions of wind, waves and current

Journal of Ocean Engineering and Science
Floating wind-aquaculture platforms are drawing increasing attention from the academic and engineering communities due to their potential to fully exploit and utilize marine space and its resources.
Qixiang Fan, Yuwang Xu, Qianhui Xie, Mengmeng Zhang, Haojie Ren, Tongxiao Sun   +5 more
doaj   +1 more source

Laser‐Induced Graphene from Waste Almond Shells

Advanced Functional Materials, EarlyView.
Almond shells, an abundant agricultural by‐product, are repurposed to create a fully bioderived almond shell/chitosan composite (ASC) degradable in soil. ASC is converted into laser‐induced graphene (LIG) by laser scribing and proposed as a substrate for transient electronics.
Yulia Steksova, Anna Chiara Bressi, Marina Galliani, Attilio Marino, Gianni Ciofani, Eduardo Machado‐Charry, Hilda Gomez Bernal, Alessandra Francini, Luca Sebastiani, Francesco Greco   +9 more
wiley   +1 more source

Experimental study on wave–current force characteristics of fixed foundations for offshore wind turbines

Shuili Shuiyun Gongcheng Xuebao
At present, research on the wave and current forces acting on offshore wind turbine foundations mostly focuses on monopiles, with simulation models often simplified as smooth cylinders of constant diameter that neglect ancillary components.
HUAN Caiyun, JIANG Zhenqiang, WEI Nan, LIU Jilu, SI Feng   +4 more
doaj   +1 more source

Polarizable Vanadium Dipoles Promote Water Dissociation on Vanadium‐Based Metal Organic Framework

Advanced Functional Materials, EarlyView.
The polarization of unpaired V 3d electrons weakens the H─O bond to improve water dissociation by the dual Vδ+:O─H and Pλ−:H─O coupling hydrogen bonds formation and relaxation. P@V‐MOF electrocatalyst shows low overpotentials (94 mV in acid, 178 mV in neutral, and 77 mV in alkaline solutions) with excellent stability for effective overall water ...
Xinjuan Liu, Jun Xu, Minmin Fan, Jingcheng Xu, Mengyuan Li, Yun Gong, Weiwei Yang, Lei Li, Yong Zhou, Deqiang Zhao, Yuhua Xue, Xingtao Xu, Chang Q. Sun, Liming Dai   +13 more
wiley   +1 more source

Coupled Response of Flexible Multi-Buoy Offshore Floating Photovoltaic Array Under Waves and Currents

Journal of Marine Science and Engineering
To study the response of a flexible offshore floating photovoltaic (FPV) array under waves and a current, a numerical model is established using OrcaFlex.
Xing-Hua Shi, Yiming Wang, Jing Zhang, C. Guedes Soares, Honglong Li, Jia Yu   +5 more
doaj   +1 more source