MHz-Order Surface Acoustic Wave Thruster for Underwater Silent Propulsion [PDF]
Micromachines, 2020 High frequency (MHz-order) surface acoustic waves (SAW) are able to generate intense fluid flow from the attenuation of acoustic radiation in viscous fluids as acoustic streaming.
Naiqing Zhang, Yue Wen, James Friend
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Soft Biomimetic Underwater Vehicles: A Review of Actuation Mechanisms, Structure Designs and Underwater Applications [PDF]
MicromachinesThe growing demand for marine resource development and in-depth exploration of the marine environment has positioned soft biomimetic underwater vehicles (SBUVs) as a research hotspot in the fields of underwater equipment and soft robotics.
Xuejing Liu +6 more
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Biomimetic propulsion system efficiency for unmanned underwater vehicle. [PDF]
Sci RepAbstract This paper covers experimental research provided for Biomimetic Unmanned Underwater Vehicle (BUUV). The tests were conducted in a laboratory water tunnel equipped with a direct force-measured sensor and system for Particle Image Velocimetry (PIV) analysis.
Szymak P +4 more
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Underwater radiated noise characteristics: A comparative study of immersed and traditional waterjet propulsion systems [PDF]
Science ProgressThe immersed waterjet propulsion method represents an innovative advancement in traditional waterjet propulsion technologies. Unlike previous studies that primarily rely on fluid-induced acoustics theories, such as the Lighthill’s equations, this ...
Tengyan Liu +5 more
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The Design, Modeling, and Experiment of a Novel Diving-Beetle-Inspired Paddling Propulsion Robot [PDF]
BiomimeticsBionic paddling robots, as a novel type of underwater robot, demonstrate significant potential in the fields of underwater exploration and development.
Jiang Ding +4 more
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Development of a Variable-Configuration Bionic Robotic Fish
Biomimetics, 2023 Bionic robotic fish have advantages over traditional underwater propulsion. Most of the existing studies have been conducted with only one type of fish as a bionic object, but a single propulsion mode may not be able to achieve the different needs of ...
Dan Xia +4 more
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Dynamic modeling and experiment of hind leg swimming of beaver-like underwater robot [PDF]
Mechanical Sciences, 2022 When the beaver-like underwater robot is swimming, its hind legs provide the main propulsion force for the body, which is the source of power for the robot's movement.
G. Chen, Z. Wang, J. Tu, D. Wang
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Dynamics and hydrodynamic efficiency of diving beetle while swimming
Heliyon, 2023 Diving beetle, an excellent biological prototype for bionic underwater vehicles, can achieve forward swimming, backward swimming, and flexible cornering by swinging its two powerful hind legs.
Debo Qi +6 more
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Analysis of the Propulsion Performance and Internal Flow Field of an Underwater Launcher
Applied Sciences, 2022 The gas-curtain launch is designed to address the shortcomings of conventional underwater launchers, such as poor dependability and low muzzle velocity. In this paper, the influence of jet structures on the propulsion performance and internal flow field ...
Xinwei Zhang, Yonggang Yu
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Visual Recognition and Detection System for Small Targets of Near-Bottom Exploration Type Bionic UUV
水下无人系统学报, 2023 The bionic unmanned undersea vehicles(UUVs) replace human labor and realize underwater operation by imitating the movement principle of marine organisms. Compared with the traditional UUV, the bionic UUV has the bionics advantages of high stability, high
Baizhong CHEN, Chonglei WANG, Chunyu GUO
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