Results 1 to 10 of about 3,811,879 (232)

Research on Hydrodynamics of Trans-Media Vehicles Considering Underwater Time-Varying Attitudes

Journal of Marine Science and Engineering
A trans-media vehicle is a new type of equipment that can adapt to two environments, water and air, to maintain optimal hydrodynamic and aerodynamic performance.
Shuo Liu, Chihao Du, Yijie Han, Yu Zhang, Wanglin Lin, Yong Cai, Tao Wang   +6 more
doaj   +4 more sources

A flexible skin material with switchable wettability for trans-medium vehicles

International Journal of Smart and Nano Materials
Trans-medium vehicles can achieve both load reduction and trajectory stabilization through the adaptive adjustment of head configurations and surface wettabilities, necessitating a flexible skin material with switchable wettability. However, conventional
Jianqiao Luo, Zhongjun Cheng, Ning Yu, Yunbo Tian, Junhui Meng   +4 more
doaj   +4 more sources

Entire aerial-aquatic trajectory modeling and optimization for trans-medium vehicles

Defence Technology
Trans-medium flight vehicles can combine high aerial maneuverability and underwater concealment ability, which have attracted much attention recently.
Teng Long, Nianhui Ye, Baoshou Zhang, Jingliang Sun, Renhe Shi   +4 more
doaj   +4 more sources

Status and Prospects of Investigation into Multiphase Flow Field and Motion Characteristics of Trans-medium Vehicles during Water Entry

水下无人系统学报, 2023
High-speed vehicles launched by surface or aerial platforms break the speed limit of traditional underwater weapons with the help of supercavity drag reduction technology and can effectively intercept and attack potential underwater threats with the ...
Cong WANG, Hai-yu XU, Jia-xing LU
doaj   +2 more sources

Characteristics of Underwater Trajectory of Trans-Medium Vehicles

水下无人系统学报
In order to study the underwater trajectory and related dynamics characteristics of trans-medium vehicles, a trans-medium vehicle was used as the research object.
Zelin SHI, Yue CHU, Xi HUANG, Song GAO, Zhentao JI, Pingan LIU   +5 more
doaj   +2 more sources

Numerical Simulation of Water Entry Process of Trans-Medium Vehicles

水下无人系统学报
The trans-medium water entry process of vehicles is often accompanied by multiphase flow, cavitation, phase change, and turbulence instability, which not only heighten the complexity of the flow field, but also render the forces highly unsteady and ...
Pingan LIU, Hongtao GAO, Yanxi YANG, Xi HUANG, Song GAO, Zhentao JI   +5 more
doaj   +2 more sources

Research Progress of Cutting-Edge Technologies of Trans-Medium Vehicle Dynamics

水下无人系统学报
In recent years, trans-medium equipment has received wide attention in the fields of ship and ocean, aerospace, and weapons. The overall scheme, key technologies, research methods, and operational efficiency related to trans-medium vehicles have become ...
Cong WANG, Haiyu XU, Guihui MA, Longquan SUN   +3 more
doaj   +2 more sources

Airfoil Preference and Adjustable Camber Impact Analysis for Trans-Medium Fixed-Wing Vehicles

水下无人系统学报
The key to the realization of air-water trans-medium flight lies in the profile design of trans-medium flight and the satisfaction of different requirements of aerodynamic efficiency for air cruise and airfoil for underwater glide. In this paper, a trans-
Jixin LU, Wenbin SONG, Runzhen CAO, Yifan LIANG, Liuzhu FENG, Yang QI   +5 more
doaj   +2 more sources

Analysis of Multi-Body Separation Characteristics of Trans-Medium Vehicles

水下无人系统学报
This paper studied the underwater separation characteristics of pods of trans-medium vehicles by numerical simulations of computational fluid dynamics and dynamics model simulations and analyzed the hydrodynamic forces exerted on the pods before and ...
Shuai WANG, Meng DONG, Sheng WANG
doaj   +2 more sources

Progress and Prospect of Underwater Information Acquisition Technique for Trans-Medium Vehicles during Water Exit

水下无人系统学报
The water exit process of trans-medium vehicles involves multiphase flow, unsteady evolution of cavitation, strong transient effect, and varying load environments, which significantly affects the motion stability, water exit attitude, and structural ...
Xu ZHANG, Wanpeng LI
doaj   +2 more sources