Experimental study on the collapse of tail cavity induced by underwater ventilation

Q Yang, C Wang, Y Wei, Y Wang, D Zhang, X Hu - Physics of Fluids, 2022 - pubs.aip.org
Tail cavities are common in gas-propelled underwater cold emission and jet-propelled
underwater vehicles. They can also provide a stable working environment for solid rocket …

Experimental investigation of the underwater ventilated tail cavity at different angles of attack

S Cheng, X Quan, Y Sha, Q Yang, C Wang, Y Xu - Ocean Engineering, 2022 - Elsevier
The research on the structure and dynamic evolution of ventilated tail cavity is an important
basis for designing the tail structure of an underwater vehicle. In this paper, through water …

Transient dynamic analysis for the submerged gas jet in flowing water

M Xiang, X Zhao, H Zhou - European Journal of Mechanics-B/Fluids, 2021 - Elsevier
Submerged gas jet is commonly encountered in underwater cutting, underwater jet-
propulsion, liquid metal mixing and other applications. In this paper the transient dynamics …

Topology and cavitation number characteristics of the gaseous jet-induced tail cavity under co-flow

Q Yang, H Xu, Y Li, W Zhang, Y Wei, C Wang - Physics of fluids, 2022 - pubs.aip.org
The tail cavity as induced by submerged gaseous jets on the bottom of axisymmetric
vehicles is studied in a water tunnel over Froude numbers, which denote co-flow velocities …

水下超声速过膨胀燃气射流的流场特性

张春, 郁伟, 王宝寿 - 航空动力学报, 2022 - jasp.com.cn
为研究水下超声速过膨胀燃气射流的流场特性, 在压力水筒中开展了大扩张比锥形喷管的固体
火箭发动机水下点火实验, 并基于雷诺时均Navier⁃ Stokes (RANS) 方法和流体体积(VOF) …

Experimental research on jet induced tail cavities attached to underwater vehicles considering the influence of tail wings

X Yao, W Wang, G Ma, H Zhang, Y Chen, Z Qu… - Ocean …, 2024 - Elsevier
When underwater vehicles are launched at a great depth, the use of underwater jet
propulsion helps to address insufficient kinetic energy and modifies attitude. Tail wings can …

Experimental study on tail cavity structure and pressure characteristics of underwater vehicle with tail jet

Q Yang, Y Wang, Y Wei, C Wang, S Cheng - Ocean Engineering, 2023 - Elsevier
The tail of an underwater vehicle with a tail jet often creates an attached tail cavity when
moving at high speed. The strong coupling between the tail cavity and high-speed jet affects …

Experimental study on ventilated cavity flow at the tail of underwater vehicle under low surface tension

Z Qu, N Yang, G Ma, X Yao, W Zhang, H Zhang… - Ocean …, 2023 - Elsevier
In model experiments, the Weber number determined by the surface tension usually has a
significant effect on the ventilated cavity flow characteristics. This paper describes …

[HTML][HTML] Experimental study on motion characteristics of cavity attached to the tail of underwater vehicle

X Yao, Z Qu, G Ma, N Yang, X Quan… - Journal of Marine Science …, 2023 - mdpi.com
The formation and development of an attached cavity at the tail of an underwater moving
vehicle involves a complex multiphase flow, which determines the load characteristics and …

Experimental investigation on flow characteristics and instability of submerged high-speed gaseous jets under co-flow

S Zhang, H Xu, T Sun, X Lian - Ocean Engineering, 2024 - Elsevier
Submerged high-speed gaseous jets exhibit complex evolution and instability mechanisms
due to the significant density and velocity differences between the gas and the surrounding …