And there are configuration simulations of supercavity around the supercavitating vehicle under the ideal condition or the condition considering various factors .
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The investigation shows that the length and aspect ratio of ventilated supercavity decreased when ventilated cavitation number increased and the drag coefficient of vehicle decreased when the aspect ratio increased .
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The supercavity technology can significantly avoid the viscous drag between water and the body moving in water and for some case the drag of supercavitating body is possible to reach the values comparable as in the air .
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Measurement of ultra - low losses in optical supercavity
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Numerical simulation on ventilation rates of ventilated supercavity
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Experimental Study of Characteristics of Supercavity Influenced by Surfactant Drag Reducer
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In order to form supercavity at lower velocity and explore drag reduction by supercavity experiments of ventilated supercavity on symmetrical underwater bodies have been performed in water tunnel .
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Some problems in study of ventilated supercavity
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Based on many documents at home and abroad and a series of ventilated supercavity experiments conducted in water tunnel some problems in experimental study of ventilated supercavity are summarized and discussed .
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A series of underwater vehicle model experiments for the supercavity shape property are carried out at high speed water tunnel with ventilation method .
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The results of simulation indicate that there is a critical value for ventilation direction to transfer sheet cavity into supercavity .
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Viscous drag coefficient has no direct relations with acceleration which is mainly related to supercavity shape and vapor volume fraction in supercavity .
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Experimental results show that supercavity length increases with ventilation coefficient increasing at constant velocity .
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The supercavity vehicle is an underwater high-speed weapon which is enwraped by the supercavity .
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The supercavity is the cavitated phenomenon i.e. cavity .
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Experimental research and numerical simulation of supercavity drag reduction of a high speed projectile
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Investigation of supercavity shapes for two-dimentional hydrofoil with given separated point
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Because of the complexity of supercavity the methods which included the self-programming and the commercial software were applied to simulate the shape property of unstability supercavity .
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Experimental study of the drag reduction of ventilated supercavity of underwater bodies
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The potential theory neglects the vapor in the supercavity because the mass in the cavity is so tiny that its inertial applies little effect on the dynamics of the water flow .
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Two classes of methods based on the Euler formulation i.e. potential theory and transportation equations with two kinds of cavitation models are the two main ways for studying the supercavity flows .
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Experimental investigation of ventilated supercavity on symmetrical underwater bodies
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Experimental research on shape and drag characteristics of ventilated supercavity on underwater bodies
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A numerical simulation of the cavity supercavity flow
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Supercavity and double-cavity pattern at zero and non-zero angle of attack were obtained .
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Therefore it is necessary to study the principles as to unsteady supercavity . A numerical discretization method solving the singular integral equations is employed for studying the problems of unsymmetrical hydrofoil with steady supercavity .
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The radius and resistance coefficient of supercavity is gained by the engineering predigestion method .
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A series of experiments about supercavitating flow around underwater vehicle are conducted in a high-speed cavitation water tunnel to investigate the pressure distribution in the supercavity and the properties of rear flow field near the supercavity .
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