Navigation device suppressing cavitation and controlling emerging posture

A vehicle and attitude technology, which is applied in the deployment, transportation and packaging of attack devices and depth charges, can solve the difficulty of underwater navigation attitude stability of submarine-launched missiles, the difficulty of equalizing and exhausting parameters, and the problems of exhaust holes. Inverted water and other problems, to avoid seawater inversion, simple hydrodynamic layout, and ensure the effect of structural safety
CN106628071AActive Publication Date: 2017-05-10CHINA ACAD OF AEROSPACE AERODYNAMICS
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
CHINA ACAD OF AEROSPACE AERODYNAMICS
Publication Date
2017-05-10

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Abstract

A navigation device suppressing cavitation and controlling emerging posture is provided which relates to the technical field of underwater launching of submarine-launched missiles; the device comprises a navigation body head part, a navigation body cylinder and tail part control planes; the navigation body cylinder has a thin and long cylinder structure; the navigation body head part is fixedly installed on the top of the navigation body cylinder; the tail part control planes are vertical to the axis direction of the navigation body cylinder and are fixedly installed at the bottom of the navigation body cylinder; the navigation body comprises two tail part control planes which are symmetrically installed at two sides of the navigation body cylinder; the two tail part control planes are positioned at two ends of radial diameter of the navigation body cylinder. The invention provides a hydrodynamic force layout scheme that can avoid impact load due to cross cavitation collapse of air-water interface and can adjust tail elevator angle to control emerging postures.
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Description

technical field

[0001] The invention relates to the technical field of underwater launch of a submarine-launched missile, in particular to a vehicle body device for suppressing cavitation and controlling water exit attitude. Background technique

[0002] Since the hydrodynamic and aerodynamic phenomena of the submarine-launched missile are very complex during the period from the barrel to the water, it presents the characteristics of high dynamic pressure, unsteady, multiphase flow and strong nonlinearity. Affected by various factors such as ocean currents and sea conditions, it is difficult to maintain the stability of the submarine-launched missile's underwater trajectory. The current engineering method is to use the cavitation shape to constrain the underwater trajectory and attitude of the submarine-launched missile.

[0003] The cavitation phenomenon is a unique complex physical phenomenon that is strongly unsteady, nonlinear and random around the underwater high-speed ...

Claims

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