Results 81 to 90 of about 271 (131)
Dynamic Response of Supercavitating Underwater Vehicle Impacted by Tail-Slap Force
, 2011 Based on the movement characteristics of the supercavitating underwater vehicle, the tail impact force has been defined by summarizing related papers, then the dynamic responses of structure has been simulated by using Finite Element Method.
Jia Zhong Zhang +4 more
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Trajectory Optimization Strategies For Supercavitating Vehicles
, 2004 Supercavitating vehicles are characterized by substantially reduced hydrodynamic drag with respect to fully wetted underwater vehicles. Drag is localized at the nose of the vehicle, where a cavitator generates a cavity that completely envelops the body.
Kamada, Rahul
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Experimental study of control laws for supercavitating vehicles.
, 2012 University of Minnesota Ph.D. dissertation. March 2012. Major: Aerospace Engineering and Mechanics. Advisor:Gary J. Balas, Roger E. A. Arndt,. 1 computer file (PDF)xix, 207 pages, appendices A-C.Supercavitation is when a cavity is made to envelop a ...
Hjartarson, Arnar
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Underwater Drag Reduction Applications and Fabrication of Bio-Inspired Surfaces: A Review. [PDF]
Biomimetics (Basel)Zheng Z +6 more
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Longitudinal maneuvering motions of the supercavitating vehicle
European Journal of Mechanics, B/Fluids, 2020zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Wang Zou, Benlong Wang
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Delay Effects in Supercavitating Vehicle Dynamics
Volume 4: 7th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, Parts A, B and C, 2009 The dive-plane dynamics of a supercavitating vehicle is considered, a model with a time delay is constructed, and the physical basis for this delay effect is described. The time delay is on the order of the vehicle length divided by its speed. Stability analysis and feedback control design are carried out with this model. It is found that the open-loop
Munther A. Hassouneh +2 more
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Research of Configuration Design for Supercavitating Vehicles
Applied Mechanics and Materials, 2011 Supercavitating vehicle utilizes supercavity to reduce the drag force when travelling underwater. It could achieve a speed higher than 200Kn. The dynamic equations of supercavitating vehicle in the vertical plane were studied and the forces are analyzed in detail in this study. Three possible balanced states and configurations are analyzed. Considering
Ming Dong Lin +3 more
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Simulation of supercavitating vehicle steady motion
2008 International Conference on Machine Learning and Cybernetics, 2008The motion of supercavitating vehicle is complex, and the stability of supercavitating motion is an important problem. If the force of supercavitating vehicle is analyzed under the unstable motion, it is irrationality obviously. Therefore, it has more significance in engineering application that the reliability analysis of supercavitating vehicle under
null Guang-Ping Tian +2 more
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Configuration Optimization of Supercavitating Underwater Vehicles With Maneuvering Constraints
IEEE Journal of Oceanic Engineering, 2010 This paper presents configuration optimization studies on supercavitating underwater vehicles. These innovative vehicles operate at extremely high speeds due to the drag reduction achieved through the supercavitating regime. Their dynamic behavior is complex and highly nonlinear which makes their guidance and control particularly challenging.
S. S. Ahn +3 more
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Hydrodynamic characteristics of a supercavitating vehicle’s aft body
Ocean Engineering, 2016The nonlinear and multi-factor-dependent characteristics of the hydrodynamic forces acting on the aft body of a supercavitating vehicle are investigated using computational fluid dynamics (CFD). The CFD model of natural supercavitating flow is first verified and validated upon the supercavitating flow around a cavitator in the shape of a circular disk.
Xulong Yuan, Tao Xing
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