|
|
|
|
|
Chunyu Song, Teer Guo, Jianghua Sui and Xianku Zhang
In order to solve the problem of the dynamic positioning control of large ships in rough sea and to meet the need for fixed-point operations, this paper proposes a dynamic positioning controller that can effectively achieve large ships? fixed-point contr...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yifei Zhang, Yuxin Lu, Haiou Guan, Jiao Yang, Chunyu Zhang, Song Yu, Yingchao Li, Wei Guo and Lihe Yu
Background: Low-temperature stress significantly restricts maize germination, seedling growth and development, and yield formation. However, traditional methods of evaluating maize seedling quality are inefficient. This study established a method of grad...
ver más
|
|
|
|
|
|
|
|
|
|
|
Chunyu Guo, Xu Wang, Chongge Chen, Yinghong Li and Jian Hu
Propulsion noise is an enduring problem of significant military and environmental importance. Hence, it is crucial to investigate propeller noise characteristics. In this study, the hydrodynamic performance and noise level of the DARPA (Defense Advanced ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Chunyu Guo, Chengsen Zhang, Chunhui Wang and Chao Wang
When the icebreaker sails in the polar region, it adopts continuous and ramming icebreaking operations. When the ice condition exceeds the design working condition, it uses the ramming icebreaking method to advance. The nonlinear icebreaking process and ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Pei Xu, Chao Wang, Liyu Ye, Chunyu Guo, Weipeng Xiong and Shen Wu
The presence of broken ice in the flow field around a propeller causes severe blade erosion, shafting, and hull vibration. This study investigates the performance of the propeller of a ship sailing in the polar regions under the propeller?ice non-contact...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yumin Su, Jianfeng Lin, Dagang Zhao, Chunyu Guo, Chao Wang and Hang Guo
In marine environments, ships are bound to be disturbed by several external factors, which can cause stochastic fluctuations and strong nonlinearity in the ship motion. Predicting ship motion is pivotal to ensuring ship safety and providing early warning...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jian Hu, Zibin Wang, Wang Zhao, Shili Sun, Cong Sun and Chunyu Guo
This paper presents a numerical modeling procedure for the idealization of vortex shedding effects in the wake flow field of a NACA0009 hydrofoil. During the simulation, the lift and drag acting on the hydrofoil were monitored, and the vortex-shedding fr...
ver más
|
|
|
|
|
|
|
|
|
|
|
Wei Wang, Guobin Cai, Yongjie Pang, Chunyu Guo, Yang Han and Guangli Zhou
To explore the reason for the bubble sweep-down phenomenon of research vessels and its effect on the position of the stern sonar of a research vessel, the use of a fairing was investigated as a defoaming appendage. The separation vortex turbulence model ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Cong Sun, Chunyu Guo, Chao Wang, Lianzhou Wang and Jianfeng Lin
The interactions between the main hull and demi-hull of trimarans have been arousing increasing attention, and detailed circumferential flow fields greatly influence trimaran research. In this research, the unsteady wake flow field of a trimaran was obta...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jinhu Wang, Qingliang Zhao, Chunyu Zhang, Bing Guo and Julong Yuan
The resin-bonded spherical diamond wheel is widely used in arc envelope grinding, where the demands for form accuracy are high and the form truing process is challenging. In this paper, on-machine precision form truing of the resin-bonded spherical diamo...
ver más
|
|
|
|
|
|