Results 81 to 90 of about 3,190,708 (312)

Experimental Study on the Effect of the Rack Structure on the Hydrodynamic Characteristics of Truss-type Leg

Shiyou jixie, 2019
The rack and pinion system is the most commonly used lifting system for jack-up offshore platforms. There are relatively few studies on the influence of rack structure on the hydrodynamic characteristics of truss-type legs.
Li Xiangkun, Xie Yingchun, Liu Guijie, Tian Xiaojie   +3 more
doaj  

Estimation of Maneuvering Coefficients of the KCS Using Captive Model Test Simulations in the OpenFOAM Framework

한국해양공학회지
The accurate prediction of ship maneuvering performance is crucial for ensuring maritime safety and operational efficiency. With increasing ship sizes and complex operating conditions, more advanced computational tools are increasingly required.
Minsu Cho, Theo Descamps, Benjamin Bouscasse, Young-Myung Choi   +3 more
doaj   +1 more source

Numerical study on the hydrodynamic performance of the semi-spade rudder and propeller

Advances in Mechanical Engineering, 2019
The semi-spade rudder and KP458 propeller of the KVLCC2 (KRISO very large crude carrier) model tanker are adopted by ITTC maneuvering technical committee in the comparative study of ship maneuverability.
Xiao Yang, Yong Yin, Jing-Jing Lian
doaj   +1 more source

Numerical Investigation of Vortex-Induced Vibrations of a Flexible Riser with Staggered Buoyancy Elements

Applied Sciences, 2020
This paper presents a numerical algorithm used together with a Finite-Element based Vortex-Induced Vibration (VIV) prediction software VIVANA to obtain a hydrodynamic force coefficient database based on response measurements of flexible riser VIV model ...
Jie Wu, M. K. Reddy Lekkala, Muk Chen Ong   +2 more
doaj   +1 more source

Bioinspired Adaptive Surfaces for Intelligent Liquid Manipulation: Progressing From Passive and Active to Hybrid Strategies

Advanced Materials, EarlyView.
This review examines passive, active, and hybrid liquid manipulation strategies, highlighting hybrid approaches as an emerging route to reconcile energy efficiency with adaptive control. By actively reconstructing passive surfaces to store programmable interfacial energy, hybrid systems enable flexible yet low‐power liquid transport, with perspectives ...
Jiaqi Miao, Yiyuan Zhang, Liqiu Wang, Alan C. H. Tsang   +3 more
wiley   +1 more source

Aggregation‐Controlled Vat Dyeing of Meta‐Aramid Fibers: Mechanistic Insights and Suppression of Surface Dye Deposition

Advanced Materials Interfaces, EarlyView.
Supramolecular aggregation governs the interfacial adsorption, diffusion, and fixation of anthraquinone‐based vat dyes in meta‐aramid fibers. By correlating reduction chemistry, aggregate formation, and fiber microstructure, a multiscale mechanism for aggregation‐controlled dyeing is established, providing an effective strategy to suppress surface dye ...
Jisiyuan Qin, Yahui Xia, Shiqi Hu, Yongmin Wu, Mohammad Raza Miah, Ruizhe Lu, Yunhan Tang, Genyang Cao, Sakil Mahmud   +8 more
wiley   +1 more source

Spheroid‐On‐A‐Drop: A Modular Droplet Microfluidics Platform

Advanced Materials Technologies, EarlyView.
The proposed Spheroid‐on‐a‐Drop platform represents a reproducible and tunable platform for the fabrication of biocompatible GelMA‐based microgels, able to support controlled 3D tumor spheroid culture. Its precise control over droplet dynamics and cell distribution paves the way for advanced applications in tissue modeling, drug screening, and ...
A. Fergola, V. Vighetto, G. Mesiano, A. Cosola, S. L. Marasso, M. Cocuzza, C. F. Pirri, L. Napione, F. Frascella   +8 more
wiley   +1 more source

Multimodal Locomotion in Insect‐Inspired Microrobots: A Review of Strategies for Aerial, Surface, Aquatic, and Interfacial Motion

Advanced Robotics Research, EarlyView.
This review identifies key design considerations for insect‐inspired microrobots capable of multimodal locomotion. To draw inspiration, biological and robotic strategies for moving in air, on water surfaces, and underwater are examined, along with approaches for crossing the air–water interface.
Mija Jovchevska, Kaushik Jayaram, Nicole Xu   +2 more
wiley   +1 more source

Hydrodynamic coefficients identification of ship simplified modular model based on support vector regression

Zhongguo Jianchuan Yanjiu
ObjectivesTo address the issue of multicollinearity and parameter drift in the identification of hydrodynamic coefficients in ship separated-type models, this paper proposes a method for modeling simplified three-degree-of-freedom modular models based on
Lifei SONG, Yuqing WANG, Wei PENG, Peiyong LI, Yushan LIu, Yongfeng ZHANG   +5 more
doaj   +1 more source

Uncertainty and sensitivity analysis of large shallow lake hydrodynamic models

Shui kexue jinzhan, 2012
This study conducts parametric uncertainty and sensitivity analysis of large shallow lake hydrodynamic models.The Environmental Fluid Dynamics Code(EFDC) model is applied to simulate the flow velocity and water level in Lake Taihu that is characterized ...
LI Yi-ping, TANG Chun-yan, YU Zhong-bo, Acharya Kumud   +3 more
doaj   +1 more source