Results 21 to 30 of about 10,889,129 (322)

Optimization on Hydrodynamic Performance for First Level Energy-Capturing Enhancement of a Floating Wave Energy Converter System with Flapping-Panel-Slope

Journal of Marine Science and Engineering, 2023
Based on the wave reflection principle, a floating flapping-panel wave energy converter was developed. The feasibility study and optimization study of the new WEC was carried out by laboratory research and computational fluid dynamics techniques.
Tianyu Song, Ze Li, Honghao Zheng, Chujin Liang, Zhanhong Wan   +4 more
doaj   +1 more source

Optimal Design and Performance Analysis of a Hybrid System Combining a Semi-Submersible Wind Platform and Point Absorbers

Journal of Marine Science and Engineering, 2023
Integrating point absorber wave energy converters (PAWECs) and an offshore floating wind platform provide a cost-effective way of joint wind and wave energy exploitation. However, the coupled dynamics of the complicated hybrid system and its influence on
Binzhen Zhou, Jianjian Hu, Qi Zhang, Lei Wang, Fengmei Jing, Maurizio Collu   +5 more
doaj   +1 more source

Effect of the odd and even number of blades on the hydrodynamic performance of a pre-swirl pumpjet propulsor

The Physics of Fluids, 2022
A numerical study based on detached eddy simulations is conducted to investigate the effects of the odd and even number of rotor/stator blades, that is, nr/ ns, on the hydrodynamic performance of a pre-swirl pumpjet propulsor (PJP).
Denghui Qin, Qiaogao Huang, G. Pan, Liming Chao, Yang Luo, Peng Han   +5 more
semanticscholar   +1 more source

Multi-Parameter Optimization Analysis of Hydrodynamic Performance for Rim-Driven Thruster

Energies, 2023
The efficiency of rim-driven thrusters (RDT) has always been the focus of attention in the context of energy conservation and environmental protection.
Yuanzhe Nie, Wu Ouyang, Zhuo Zhang, Gaoqiang Li, Ruicong Zheng   +4 more
doaj   +1 more source

Hydrodynamic performance of small unmanned catamaran based on STAR-CCM+

Zhongguo Jianchuan Yanjiu, 2023
ObjectivesThis study aims to carry out systematic research on the hydrodynamic performance of a small unmanned catamaran. MethodsBased on STAR-CCM+ numerical simulation software, the hydrodynamic performance of a small unmanned catamaran in a hydrostatic
Yuting CHEN, Shihua XU, Jiahao SHI, Xu LIU, Guoxiang HOU   +4 more
doaj   +1 more source

Numerical Simulation of the Hydrodynamic Performance and Self-Propulsion of a UUV near the Seabed

Applied Sciences, 2022
Unmanned underwater vehicles (UUV) face maneuverability and rapidity challenges when they are applied for detecting and repairing submarine oil and gas pipelines, and fiber cables near the seabed.
Xiaodong Liu, Yuli Hu, Zhaoyong Mao, Wenlong Tian   +3 more
semanticscholar   +1 more source

Optimal Matching of Flapping Hydrofoil Propulsion Performance Considering Interaction Effects of Motion Parameters

Journal of Marine Science and Engineering, 2022
In order to maximize the propulsion efficiency of flapping hydrofoil, a new method is proposed in this paper. The effects of heave amplitude, pitch amplitude, and the phase difference between heave and surge on propulsion performance were analyzed by ...
Zixuan Wang, Xin Chang, Lixun Hou, Nan Gao, Weiguan Chen, Yuanxin Tian   +5 more
doaj   +1 more source

Quantification of the influence of drugs on zebrafish larvae swimming kinematics and energetics [PDF]

, 2020
The use of zebrafish larvae has aroused wide interest in the medical field for its potential role in the development of new therapies. The larvae grow extremely quickly and the embryos are nearly transparent which allows easy examination of its internal ...
Jiang, Hui-Rong, Jiang, Hui-Rong, Li, Gen, LI, GEN, Liu, Hao, Liu, Hao, Shu, Xinhua, Shu, Xinhua, Tchivelekete, Gabriel, Tchivelekete, Gabriel, Xiao, Qing, Xiao, Qing, Zhao, Zhenkai, Zhao, Zhenkai   +13 more
core   +2 more sources

Hydrodynamic Performance of Full-Scale T0 and T90 Codends with and without a Codend Cover

Journal of Marine Science and Engineering, 2022
The hydrodynamic performance of one full-scale T0 (mesh size 90 mm) and three T90 (mesh size 90, 100, and 110 mm) codends was investigated and compared using flume tank testing, with and without a small-mesh cover.
Zhaohai Cheng, P. Winger, S. M. Bayse, David Kelly   +3 more
semanticscholar   +1 more source

A Review on Hydrodynamic Performance and Design of Pump-Jet: Advances, Challenges and Prospects

Journal of Marine Science and Engineering, 2022
A pump-jet, which is generally and widely adopted on underwater vehicles for applications from deep sea exploration to mine clearing, consists of a rotor, stator, and duct, with the properties of high critical speed, high propulsion efficiency, great ...
Yunkai Zhou, G. Pavesi, Jianping Yuan, Yanxia Fu   +3 more
semanticscholar   +1 more source