Results 41 to 50 of about 46,891 (165)

Numerical Study of the Hydrodynamic Performance of a Two-Propeller Configuration

Journal of Marine Science and Engineering
Improved ship design and market demands have driven the adoption of multi-propeller systems for propulsion in recent years. This study examines the hydrodynamic performance of two KP505 propellers arranged in various transverse and longitudinal spacings,
Xunming Wang, Yongyan Ma, Dakui Feng, Chaobang Yao, Zichao Cai   +4 more
doaj   +1 more source

Hydrodynamic Performance of Cubic Artificial Reefs During Deployment Process Based on Smoothed Particle Hydrodynamics

Fishes
Currently, research on the hydrodynamic characteristics of artificial reef deployment still faces challenges such as insufficient environmental coupling, but accurate simulation of the deployment process holds significant engineering importance for ...
Wenhua Chu, Shijing Lu, Zijing Zhao, Xinyang Zhang, Yulei Huang   +4 more
doaj   +1 more source

Numerical Analysis of Effect of Stern Flap on Hydrodynamic Performance of Amphibious Vehicles

水下无人系统学报
To explore the effect mechanism of the stern flap on the hydrodynamic performance of amphibious vehicles, still water towing tests and numerical simulation methods were combined to comparatively analyze the motion parameters, free surface waveforms and ...
Guoqing ZHANG, Yikun FENG, Haobin JIN, Qiqian GE, Xiaojun XU   +4 more
doaj   +1 more source

Model Validation and Hydrodynamic Performance of an Oscillating Buoy Wave Energy Converter

Journal of Eta Maritime Science
An oscillating buoy (OB) could function simultaneously as a wave energy converter and a breakwater. In this work, a numerical study is conducted to assess the ability of the buoy to perform both aforementioned tasks by quantitatively and qualitatively ...
Giri Ram, Mohd Rashdan Saad, Noh Zainal Abidin, Mohd Rosdzimin Abdul Rahman   +3 more
doaj   +1 more source

Wave power extraction performance from Edinburgh Duck WEC integrated with floating breakwater

Frontiers in Marine Science
The performance of the Edinburgh Duck wave energy converter (ED-WEC) shows great potential when integrated with oceanic structures. In the present study, the wave energy extraction performance of an ED-WEC integrated with a box-type floating breakwater ...
R.R. Vidyabhushan, Debabrata Karmakar
doaj   +1 more source

Experimental Study on Sailing Resistance and Attitude of Amphibious Unmanned Vehicles Under Still Water Towing Conditions

水下无人系统学报
The still water resistance towing test is an important method for evaluating the hydrodynamic performance of amphibious unmanned vehicles. Currently, there is a lack of systematic research on the still water towing test procedure and the underlying ...
Guoqing ZHANG, Yikun FENG, Jiancheng WANG, Zhewei ZHANG, Xiaojun XU   +4 more
doaj   +1 more source

Numerical study of water depth effects on the hydrodynamic performance of a shallow-water seismic survey ship’s Z-drive ducted propeller

Brodogradnja
To meet the propulsion requirements of a novel shallow-water seismic survey ship, a Ka+19A Z-drive ducted propeller was designed based on ship model resistance tests using the propeller chart method.
Ziyi Ye, Shaojuan Su, Liangtao Zhou, Zhijie Liu, Xiaodong Luo   +4 more
doaj   +1 more source

Numerical Investigation of Coupled Oblique Flow and Steering Effects on Hydrodynamic Performance of Rudder Behind Propeller

Journal of Marine Science and Engineering
The hydrodynamic performance of a rudder behind a propeller is critical for determining vessel maneuvering stability. During navigation, the coupled effects of the oblique flow angle (β) and the rudder angle (δ) significantly alter the wake velocity ...
Weiguan Chen, Ronghui Li, Ji Huang, Haihui Dong, Qiqing Qiu, Qinglong Chen   +5 more
doaj   +1 more source

Numerical Simulation Analysis of Hydrodynamic Coupling Effects and Energy Conversion Efficiency of Dual-Float Wave Energy Converters

Journal of Marine Science and Engineering
This study examines the hydrodynamic performance and energy conversion mechanisms of a dual-float wave energy converter (WEC) to address the limitations of single-float WECs regarding energy capture efficiency and cost-effectiveness.
Dongqin Li, Yu Zhang, Jie Hu, Yanqing Yin, Bohan Wang, Wenwen Chen   +5 more
doaj   +1 more source

Effect of Tip Skew Coupled Rake on Hydrodynamic Performance of Kappel Propellers

Shanghai Jiaotong Daxue xuebao
To explore the effect of tip skew coupled rake on the hydrodynamic performance of Kappel propellers, the fourth-order B-spline method was used to design and change the radial distribution of Kappel propellers in the skew and rake, and an 8-type propeller
CHEN Zhenwei, LU Jialin, CHEN Xupeng
doaj   +1 more source