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Multi-mode launching device for water entry experiment

A launching device and multi-mode technology, which is applied in the field of multi-mode water entry experimental launching devices, can solve the problem of inability to accurately measure the speed of the launch time of a structure, inability to rotate the structure into water, and inability to conveniently adjust the pitch angle and attack angle of the structure into water, etc. problems, to achieve the effect of improving the accuracy of experimental readings, improving the accuracy and efficiency of experiments, and simple operation

Active Publication Date: 2021-10-01
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the following deficiencies in the water entry experiment in the prior art: (1) the structure cannot be rotated into the water; (2) the pitch angle and attack angle of the structure cannot be adjusted conveniently (3) the velocity of the structure at the moment of launch cannot be accurately measured

Method used

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  • Multi-mode launching device for water entry experiment
  • Multi-mode launching device for water entry experiment
  • Multi-mode launching device for water entry experiment

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Embodiment 1

[0032] Such as figure 1 As shown, a multi-mode water entry experiment launching device disclosed in this embodiment includes a power plant system, a sliding system 5, an angle of attack adjustment measurement system 6, a water entry speed measurement system, a pitch angle adjustment system 12 and a pitch angle measurement system 14, Such as figure 1 As shown, the experimental object is a structure;

[0033] The power plant system is used to provide kinetic energy for the angle of attack adjustment measurement system 6 to slide forward on the slide rail 5.1. The power plant system includes an air compressor 1 , a one-way valve 2 , a high-pressure gas cylinder 10 , a high-pressure gas cylinder release device 3 , and a high-pressure gas cylinder release device starter 4 . The air compressor 1 and the high-pressure gas cylinder 10 are connected through a one-way valve 2 and a ventilation pipeline, the high-pressure gas cylinder 10 is connected with the high-pressure gas cylinder...

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Abstract

The invention discloses a multi-mode launching device for a water entry experiment, and belongs to the technical field of fluid mechanical engineering. The system comprises a power device system, a sliding system, an attack angle adjusting and measuring system, a water entry speed measuring system, a pitch angle adjusting system and a pitch angle measuring system. The experimental object is a structural body. The power device system provides kinetic energy for the attack angle adjusting and measuring system to slide forwards on the sliding rail. The attack angle adjusting and measuring system is used for adjusting the water entry rotation speed of the structural body and visually adjusting the water entry attack angle. The pitch angle measuring system reads the water entry pitch angle in real time through a dial. The device can simulate a multi-mode water entry experiment, and has the following functions: (1) rotating water entry with adjustable rotating speed of a structural body is realized; (2) the water entry pitch angle and the water entry attack angle can be conveniently and quickly adjusted, and the angle change of the water entry pitch angle and the water entry attack angle can be read in real time; (3) the speed at the launching moment of the structural body can be adjusted and accurately measured; and (4) the device can be suitable for water entry launching experiments of various structural bodies.

Description

technical field [0001] The invention belongs to the technical field of fluid mechanical engineering, and in particular relates to a multi-mode launching device for water entry experiments. Background technique [0002] The water entry problem is a classic problem in hydrodynamics, involving solid-liquid-gas three-phase interaction. The problem of water entry has an important relationship with many engineering applications and natural phenomena, such as: air-dropped missiles, ditching, ship slamming, water drifting, ricochets, etc. Especially in military applications, cross-media naval warfare weapons that can repeatedly cross the water-air interface have gradually received widespread attention due to their high anti-reconnaissance characteristics and penetration capabilities. The vehicle needs to maintain ballistic and attitude stability during the process of skidding and jumping into the water. When the water-launched vehicle interacts with the water surface, due to the si...

Claims

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Application Information

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IPC IPC(8): G01M10/00
CPCG01M10/00
Inventor 刘涛涛田北晨陈杰刘欣然王凯吴钦黄彪
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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