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Aerodynamic Numerical Simulation Analysis of Water–Air Two-Phase Flow in Trans-Medium Aircraft

open access: yesDrones, 2022
A trans-medium aircraft is a new concept aircraft that can both dive in the water and fly in the air. In this paper, a new type of water–air multi-medium span vehicle is designed based on the water entry and exit structure model of a multi-rotor UAV ...
Jun Wei   +4 more
doaj   +4 more sources

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

open access: yesInternational 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   +4 more
doaj   +4 more sources

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

open access: yesDefence Technology
Trans-medium flight vehicles can combine high aerial maneuverability and underwater concealment ability, which have attracted much attention recently.
Teng Long   +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

open access: yes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

Numerical Simulation of Water Entry Process of Trans-Medium Vehicles

open access: yes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   +5 more
doaj   +2 more sources

Characteristics of Underwater Trajectory of Trans-Medium Vehicles

open access: yes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   +5 more
doaj   +2 more sources

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

open access: yes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   +3 more
doaj   +2 more sources

Experimental Study of Trans-Medium Communication of Millimeter-Wave Radar in Wave Tank

open access: yes水下无人系统学报
Wireless cross-medium communication for underwater equipment may be possible by using millimeter-wave radar to detect the micro-wave vibration on the water surface excited by sound waves of underwater equipment. Studying the effect of water surface waves
Yuming ZENG   +4 more
doaj   +2 more sources

Comparative Analysis of Power Propulsion System Configurations of Air-Water Trans-Medium Torpedoes

open access: yes水下无人系统学报
At present, the trans-medium torpedoes equipped by foreign military forces are all composed of booster carriers and torpedo warheads. The air-water reusable power propulsion system can integrate the carrier and torpedo into one, which can achieve larger ...
Kai LUO   +5 more
doaj   +2 more sources

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

open access: yes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   +5 more
doaj   +2 more sources

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