CN201081641Y - Torpedo in hollow structure - Google Patents

Torpedo in hollow structure Download PDF

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Publication number
CN201081641Y
CN201081641Y CNU2007201836459U CN200720183645U CN201081641Y CN 201081641 Y CN201081641 Y CN 201081641Y CN U2007201836459 U CNU2007201836459 U CN U2007201836459U CN 200720183645 U CN200720183645 U CN 200720183645U CN 201081641 Y CN201081641 Y CN 201081641Y
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CN
China
Prior art keywords
torpedo
revolution
fish torpedo
fish
utility
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNU2007201836459U
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Chinese (zh)
Inventor
薛峥
谢义菁
汪久根
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang University ZJU
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Zhejiang University ZJU
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang University ZJU filed Critical Zhejiang University ZJU
Priority to CNU2007201836459U priority Critical patent/CN201081641Y/en
Application granted granted Critical
Publication of CN201081641Y publication Critical patent/CN201081641Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a fish torpedo with a hollow structure, which is a symmetrical reversed streamline structure from the head to the tail of the fish torpedo; moreover, the reversed streamline structure is revolution surface arranged symmetrical with a central shaft of the fish torpedo. High-pressure water of the head of the fish torpedo flows from a small opening of a hollow cavity and flows out of a big opening, the energy of the high-pressure water of the head of the high speed fish torpedo is changed into the expansion thrust to accelerate the moving speed of the fish torpedo and to improve the ability of the fish torpedo to attack. The fish torpedo is particularly suitable for a high speed fish torpedo. The utility model has a reasonably designed structure and simple and convenient manufacture; the speed performance of the utility model is obviously superior to that of various fish torpedoes of the prior art. The fish torpedo with the hollow structure can raise the moving speed of the fish torpedo and has the advantages of simple structure and convenient use. Moreover, the popularization and application have good use value.

Description

A kind of torpedo of hollow structure
Technical field
The utility model relates to attack or the defence installation on the naval vessels, especially relates to a kind of torpedo of hollow structure.
Background technology
Existing high-speed torpedo adopts head and the tail structure optimized to reduce the resistance of motion.The torpedo of band cavity is a hollow structure, and the water with the high pressure solidization of torpedo head is converted into motion thrust by cavity, quickens the gait of march of torpedo, and after torpedo quickened, the hydraulic pressure of torpedo head raise, further through the motion of cavity after-acceleration torpedo.
The design in cavity shape chamber has strict requirement, solidification water could be become the motion thrust of torpedo.The utility model not only can improve the movement velocity of torpedo, and simple in structure, and portion does not have specific (special) requirements to torpedo power.The torpedo cavity can significantly improve the movement velocity of torpedo, improves the motion of torpedo, reduces the resistance of motion of torpedo.Flow backwards the structure of linear cavity for from axially symmetric structure, is the structural design with aircraft constant current contour shape inverted configuration.
The design equation of streamlined curve commonly used has: the oval surface of revolution, semiellipse add the streamlined surface of revolution, the Nystrom streamlined surface of revolution of the streamlined surface of revolution that the parabolic type surface of revolution, semiellipse add circular arc, the Ka Kesi streamlined surface of revolution, the design of parameter approximatioss, by the streamlined surface of revolution, the CB/Z237-87 streamlined surface of revolution and the Granwell streamlined surface of revolution etc. of method of singularities design.
Summary of the invention
The purpose of this utility model is to provide a kind of torpedo of hollow structure, and the refluence linear structure is used for the torpedo design.
The technical scheme that the utility model adopted is:
Hollow structure is to be symmetrical refluence linear structure from torpedo head to torpedo afterbody, and the refluence linear structure is the surface of revolution with torpedo central shaft symmetric arrangement.
The linear surface of revolution of described refluence is the streamlined surface of revolution, the Nystrom streamlined surface of revolution of the oval surface of revolution, the semiellipse streamlined surface of revolution that adds the parabolic type surface of revolution, semiellipse and add circular arc, the Ka Kesi streamlined surface of revolution, the design of parameter approximatioss, by the streamlined surface of revolution, the CB/Z 237-87 streamlined surface of revolution or the Granwell streamlined surface of revolution of method of singularities design.
The beneficial effect that the utlity model has is:
The ammunition of torpedo is contained between torpedo hollow structure and the shell body, and the center of torpedo is a hollow structure, and the water under high pressure of torpedo head flows to from the osculum of cavity, flows out from big mouthful.Water under high pressure expands in cavity, and expansive force acts on the linear turned cavities face that flows backwards, and the expansive force of water under high pressure becomes the part of torpedo motion thrust, has quickened the movement velocity of torpedo.Improved the attacking ability of torpedo.Be applicable to that aircraft is thrown in, submarine is launched and the occasion of naval vessels emission.
Description of drawings
Fig. 1 is a torpedo sketch of the present utility model.
Fig. 2 is the linear surface of revolution figure that flows backwards for the profile that cavity of the present utility model adopted.
The specific embodiment
Fig. 1 is a torpedo sketch of the present utility model, and hollow structure is to be symmetrical refluence linear structure from torpedo head to torpedo afterbody, and the refluence linear structure is the surface of revolution with torpedo central shaft symmetric arrangement.
The linear surface of revolution of described refluence is the streamlined surface of revolution, the Nystrom streamlined surface of revolution of the oval surface of revolution, the semiellipse streamlined surface of revolution that adds the parabolic type surface of revolution, semiellipse and add circular arc, the Ka Kesi streamlined surface of revolution, the design of parameter approximatioss, by the streamlined surface of revolution, the CB/Z 237-87 streamlined surface of revolution or the Granwell streamlined surface of revolution of method of singularities design.
When torpedo was advanced, the water under high pressure of torpedo head flow to from osculum, and the back of expanding is from big mouthful of outflow, and water under high pressure produces the thrust to torpedo in expansion.Among the figure, F is the direction that acts on the power on the linear surface of revolution that flows backwards after water under high pressure expands when current advance expansion chamber, the i.e. normal orientation of curved surface.V 1Be the gait of march of torpedo, V 2Be the velocity attitude of cavity porch current, V 3Water velocity direction for the cavity exit.
Fig. 2 is the symmetrical linear surface of revolution figure that flows backwards of the central shaft that cavity adopted.The structural configuration of linear inner chamber of flowing backwards produces expansion thrust after should making water under high pressure enter torpedo.
The utility model is designed to hollow mechanism with torpedo, and wherein import department is an osculum, and the exit is big mouthful, when torpedo when in water, advancing at a high speed, the front end basis to the approximate solid state properties that presents of current.Water under high pressure is entered in the torpedo expansion chamber by the osculum end, in expansion chamber, expand, the expansion of water under high pressure produces positive pressure in the tangential direction of the linear wall curve of the refluence of cavity, its horizontal component is as the additional thrust of torpedo, thereby the resistance of torpedo head water under high pressure is converted into the additional thrust of torpedo, accelerates the gait of march of torpedo.
The refluence alignment curve of cavity wall adopts the contrary linear design of flowing backwards, general smooth refluence alignment curve can reduce resistance, and the refluence alignment curve is designed to the inner surface of cavity, on the contrary can be best the water under high pressure resistance is converted into the torpedo additional thrust, in entering refluence line chamber, water under high pressure expands, can avoid the resistance of torpedo head water under high pressure like this, and water under high pressure is expanded in cavity, be converted into additional thrust torpedo.
The above-mentioned specific embodiment is used for explaining the utility model; rather than the utility model limited; in the protection domain of spirit of the present utility model and claim, any modification and change to the utility model is made all fall into protection domain of the present utility model.

Claims (2)

1. the torpedo of a hollow structure is characterized in that: hollow structure is to be symmetrical refluence linear structure from torpedo head to torpedo afterbody, and the refluence linear structure is the surface of revolution with torpedo central shaft symmetric arrangement.
2. the torpedo of a kind of hollow structure according to claim 1 is characterized in that: the linear surface of revolution of described refluence is the streamlined surface of revolution, the Nystrom streamlined surface of revolution of the oval surface of revolution, the semiellipse streamlined surface of revolution that adds the parabolic type surface of revolution, semiellipse and add circular arc, the Ka Kesi streamlined surface of revolution, the design of parameter approximatioss, by the streamlined surface of revolution, the CB/Z 237-87 streamlined surface of revolution or the Granwell streamlined surface of revolution of method of singularities design.
CNU2007201836459U 2007-09-28 2007-09-28 Torpedo in hollow structure Expired - Fee Related CN201081641Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007201836459U CN201081641Y (en) 2007-09-28 2007-09-28 Torpedo in hollow structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007201836459U CN201081641Y (en) 2007-09-28 2007-09-28 Torpedo in hollow structure

Publications (1)

Publication Number Publication Date
CN201081641Y true CN201081641Y (en) 2008-07-02

Family

ID=39615310

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007201836459U Expired - Fee Related CN201081641Y (en) 2007-09-28 2007-09-28 Torpedo in hollow structure

Country Status (1)

Country Link
CN (1) CN201081641Y (en)

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C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee