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Citation:
　Honglu Yun,Yufei Jin,Hongfei Xie,et al.Research on the Dynamic Characteristics of the Hybrid Aerial Underwater Vehicle: Low-velocity Water Exit[J].Journal of Marine Science and Application,2025,(2):323-330.[doi:10.1007/s11804-025-00682-9]
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Research on the Dynamic Characteristics of the Hybrid Aerial Underwater Vehicle: Low-velocity Water Exit

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Title:
Research on the Dynamic Characteristics of the Hybrid Aerial Underwater Vehicle: Low-velocity Water Exit
Author(s):
Honglu Yun1;  Yufei Jin1;  Hongfei Xie1;  Zheng Zeng1; 2;  Lian Lian1; 2
Affilations:
Author(s):
Honglu Yun1;  Yufei Jin1;  Hongfei Xie1;  Zheng Zeng1; 2;  Lian Lian1; 2
1. School of Oceanography, Shanghai Jiao Tong University, Shanghai, 200240, China;
2. State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China
Keywords:
Low-velocity; Water exit; Cylinder; Pop-up height; Oscillation
分类号:
-
DOI:
10.1007/s11804-025-00682-9
Abstract:
This study investigates the hydrodynamic process of a cylinder ejected from the water’s surface through high-speed camera experiments. Using digital image processing methods, the images obtained through experiments are processed and analyzed. Although the dynamics of rising buoyant cylinders have been thoroughly investigated, the pop-up height of the cylinders has not been extensively explored. Statistical analysis of the kinematic and dynamic data of cylinders is conducted. Research has shown that after the cylinder rises, it pops out of the water’s surface. Within the experimental range, the pop-up height of the cylinder is related to the release depth. Furthermore, the pop-up height and release depth of the cylinder vary linearly under vertical release conditions. Under horizontal release conditions, the relationship between pop-up height and release depth shows irregular changes mainly because of the unstable shedding of the wake vortex.

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Memo

Memo:
Received date:2024-10-24;Accepted date:2024-12-20。
Foundation item:This research is supported in part by the National Natural Science Foundation of China under Grant No. 41706108, the Science and Technology Commission of Shanghai Municipality Project 20dz1206600, the Natural Science Foundation of Shanghai under Grant No. 20ZR1424800, the Oceanic Interdisciplinary Program of Shanghai Jiao Tong University under Grant No. SL2022ZD106, and the Natural Science Foundation of Chongqing under Grant No. cstc2021jcyj-msxmX0650.
Corresponding author:Lian Lian,E-mail:llian@sjtu.edu.cn
Last Update: 2025-04-23