CN106628071A - Navigation device suppressing cavitation and controlling emerging posture - Google Patents
Navigation device suppressing cavitation and controlling emerging posture Download PDFInfo
- Publication number
- CN106628071A CN106628071A CN201611105176.9A CN201611105176A CN106628071A CN 106628071 A CN106628071 A CN 106628071A CN 201611105176 A CN201611105176 A CN 201611105176A CN 106628071 A CN106628071 A CN 106628071A
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- sail body
- body cylinder
- cylinder
- sail
- management
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G6/00—Laying of mines or depth charges; Vessels characterised thereby
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.
Description
Technical field
The present invention relates to a kind of submarine launched missile underwater emission technical field, particularly a kind of suppression cavitation and control water outlet appearance
The navigation body device of state.
Background technology
Because submarine launched missile is sufficiently complex to the gentle dynamic phenomenon of hydrodynamic force during water outlet from cylinder is gone out, present high dynamic
The features such as pressure, unsteady, multiphase flow and strong nonlinearity.Affected by many factors such as ocean current sea situations, the water of submarine launched missile is hit by a bullet
Road is relatively hard to keep and stablizes, and current engineering method is that submarine launched missile underwater trajectories and attitude are constrained using cavitation external form.
Cavitation phenomena be around underwater high-speed navigate by water that body produces it is a kind of distinctive, with strongly unsteady, non-linear and
The complicated physical phenomena of randomness.When sail body high-speed motion under water, the fluid pressure of its near surface will reduce, certain
The hydrostatic at a little positions can further be reduced because of detour flow.When the hydrostatic at these positions is less than saturated vapor pressure, liquid
Molecule overflowing liquid surface and become gas molecule, while the original very little bubble in water body inside also will expand rapidly, in water
The obvious bubble containing water vapour He other gases is formed, makes flow field local that gas-vapour-liquid Three-phase Flow is presented, this just indicates
And there occurs in flow field cavity (change) phenomenon.When submarine launched missile passes through the water surface, caused by this abrupt change due to Media density
Bubble collapse phenomenon will cause very big dynamic loading, in some instances it may even be possible to make body fracture after water outlet.
In order to ensure the safe water outlet of submarine launched missile, using suppression cavitation head dummy, but this gives submarine launched missile underwater navigation appearance
State stability brings difficulty, and equal pressure gas underwater emission is a kind of replacement scheme, but presses the determination of exhaust parameter to have very big
Difficulty, it will usually bring sea water to steam vent the problems such as pouring in down a chimney.
The content of the invention
It is an object of the invention to overcome the above-mentioned deficiency of prior art, there is provided a kind of suppression cavitation and control exceeding water gesture
Navigation body device, there is provided it is a kind of both can avoid across water air interface bubble collapse bring shock loading, while adjust tail
Portion's angle of rudder reflection is controlling the hydrodynamic force placement scheme of exceeding water gesture.
The above-mentioned purpose of the present invention is achieved by following technical solution：
The navigation body device of a kind of suppression cavitation and control exceeding water gesture, including sail body head, sail body cylinder and tail
Portion controls rudder face；Wherein, sail body cylinder is slender cylinder structure, and sail body head is fixedly mounted on the top of sail body cylinder
Portion；End-Management rudder face is fixedly mounted on the bottom of sail body cylinder perpendicular to the axis direction of sail body cylinder.
In a kind of above-mentioned suppression cavitation and the navigation body device of control exceeding water gesture, a length of 3- of the sail body cylinder
14m；A diameter of 0.25-2m.
In a kind of above-mentioned suppression cavitation and the navigation body device of control exceeding water gesture, the sail body head is tack circle
Arc mesa-shaped structure；Sail body head top and bottom are circular horizontal platform, and top is path horizontal stand, and bottom is big footpath level
Platform；Top path horizontal stand level is coaxially located at the top of the big footpath horizontal stand in bottom；The big footpath horizontal stand in bottom and sail body cylinder
One end be fixedly and coaxially connected.
In a kind of above-mentioned suppression cavitation and the navigation body device of control exceeding water gesture, the top of the sail body head is little
The radius of footpath horizontal stand is 0.1-0.6 times of sail body cylinder radius.
A kind of suppression cavitation stated in upper ※ and the navigation body device of control exceeding water gesture, the sail body head top is little
The big footpath horizontal stand outward flange of footpath horizontal stand and bottom is connected by smooth curve, the span of curve, i.e. the horizontal edge of table of top path
Edge is less than 0.1 times of sail body total length with the level interval of the horizontal edge of table in the big footpath in bottom.
In a kind of above-mentioned suppression cavitation and the navigation body device of control exceeding water gesture, the sail body includes two afterbodys
Control rudder face；Two End-Management rudder faces are symmetrically mounted on the both sides of sail body cylinder；And two End-Management rudder faces are located at boat
The two ends of the radial diameter of row scapus body.
In a kind of above-mentioned suppression cavitation and the navigation body device of control exceeding water gesture, the End-Management rudder face fixes peace
It is mounted in apart from the position of the 0.05-0.1 times of sail body overall length in sail body cylinder bottom surface.
In a kind of above-mentioned suppression cavitation and the navigation body device of control exceeding water gesture, the End-Management rudder face is rectangular
Body structure, length L1 is 1-3 times of sail body cylinder radius；Width L2 is 0.6-1.5 times of sail body cylinder radius；Height L3 is
0.05-0.1 times of sail body cylinder radius；End-Management rudder face is connected with sail body cylinder rudder face by rudderpost.
The present invention has the advantage that compared with prior art：
(1) present invention employs suppression cavitation head dummy, it is to avoid active cavity head dummy sail body is when across water air interface
Bubble collapse and the shock loading that produces, it is ensured that the structure safety of sail body；
(2) present invention installs control rudder face in sail body afterbody, by adjusting rudder face angle, controls the hydrodynamic(al) position of sail body
Power and torque are put, attitude in water is adjusted, it is to avoid using inwelling problem caused by pressure exhaust mode；
(3) hydrodynamic force layout of the present invention is simple, it is only necessary to dispose rudder face in afterbody, low to emission parameter dependency degree, reduces
Transmitting difficulty.
Description of the drawings
Fig. 1 is sail body hydrodynamic(al) layout appearance schematic diagram of the present invention；
Fig. 2 is sail body hydrodynamic(al) layout top view of the present invention；
Fig. 3 is the sail body bus pressure coefficient of cavitation number of the present invention 0.1；
Fig. 4 is sail body afterbody placement rudder face of the present invention and the disparity map for not installing the rudder face water outlet angle of pitch.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is described in further detail with specific embodiment：
From Hot Separation of Vertical Underwater Launched sail body suppression cavitation head dummy method for designing, compatible suppression cavitation and water outlet appearance are built
The hydrodynamic force layout of state control, has obtained a kind of head dummy that cavity is just produced under the conditions of relatively low cavitation number, while in sail body
Afterbody arranges rudder face to adjust underwater navigation position power.The invention provides a kind of can both avoid routed across water air interface cavity
Go out and bring shock loading, while adjusting afterbody angle of rudder reflection to control the hydrodynamic force placement scheme of exceeding water gesture.
The present invention designs the less head molded line of cavitation inception number, in afterbody from the influence factor of cavitation inception number
The hydrodynamic force and torque adjustment navigation attitude of rudder face control sail body are installed, try hard to obtain to take into account across water air interface low load with compared with
The hydrodynamic(al) layout sail body of the little water outlet angle of pitch.
The present invention technical solution be：
According to the influence factor of cavitation inception number, tack streamlined head configuration is designed, obtained according to numerical computations means
To cavitation inception number, the effectiveness of shape line is verified in turn.After head configuration has been designed, in sail body tail end two are disposed
Rudder, in being symmetrically installed, according to navigation attitude regulation angle of rudder reflection degree, according to numerical computations means navigation body position power and power is calculated
Square, and ballistic data is obtained, judge water outlet luffing angle.
Be illustrated in figure 1 sail body hydrodynamic(al) layout appearance schematic diagram, as seen from the figure, a kind of suppression cavitation and control water outlet appearance
The navigation body device of state, it is characterised in that：Including sail body head 1, sail body cylinder 2 and End-Management rudder face 3；Wherein, navigate
Row scapus body 2 be slender cylinder structure, sail body cylinder 2 a length of 3-14m, a diameter of 0.25-2m；Sail body head 1 is fixed
Installed in the top of sail body cylinder 2, sail body head 1 is tack circular arc mesa-shaped structure；The top of sail body head 1 and bottom are equal
For circular horizontal platform, top is path horizontal stand, and the radius of the top path horizontal stand of sail body head 1 is sail body cylinder 2
0.1-0.6 times of radius；Bottom is big footpath horizontal stand；Top path horizontal stand level is coaxially located at the upper of the big footpath horizontal stand in bottom
Portion；The big footpath horizontal stand in bottom is fixedly and coaxially connected with one end of sail body cylinder 2；End-Management rudder face 3 is perpendicular to navigation scapus
The axis direction of body 2, is fixedly mounted on the bottom of sail body cylinder 2.
The big footpath horizontal stand outward flange of the top path horizontal stand of sail body head 1 and bottom is connected by smooth curve, curve
Span, i.e. the horizontal edge of table of top path is less than 0.1 times of sail body overall length with the level interval of the horizontal edge of table in the big footpath in bottom
Degree.
Sail body includes altogether two End-Management rudder faces 3；Two End-Management rudder faces 3 are symmetrically mounted on sail body cylinder 2
Both sides；And two End-Management rudder faces 3, positioned at the two ends of the radial diameter of sail body cylinder 2, two End-Management rudder faces 3 are consolidated
Dingan County is mounted in apart from the position of the 0.05-0.1 times of sail body overall length in 2 bottom surface of sail body cylinder；End-Management rudder face 3 is cuboid knot
Structure, length L1 is 1-3 times of the radius of sail body cylinder 2；Width L2 is the 0.6-1.5 times of radius of sail body cylinder 2；Height L3 is
The 0.05-0.1 times of radius of sail body cylinder 2；End-Management rudder face 3 is connected with the rudder face of sail body cylinder 2 by rudderpost.
Fig. 3 show pressure coefficient distribution of the layout under the conditions of cavitation number 0.1, it can be seen that streamlined head dummy cavitation
Area is very little.Case1 shown in Fig. 4 is to change with time history without the rudder face sail body water outlet angle of pitch, and case2 is and addition
The rudder face sail body water outlet angle of pitch changes with time history.It can be seen that in the complete water outlets of 1.2s after sail body afterbody addition rudder face
When the angle of pitch be about the 1/3 of case1.
The content not being described in detail in description of the invention belongs to the known technology of those skilled in the art.
Claims (8)
1. a kind of suppression cavitation and control exceeding water gesture navigation body device, it is characterised in that：Including sail body head (1), boat
Row scapus body (2) and End-Management rudder face (3)；Wherein, sail body cylinder (2) is slender cylinder structure, sail body head (1)
It is fixedly mounted on the top of sail body cylinder (2)；End-Management rudder face (3) perpendicular to sail body cylinder (2) axis direction, Gu
Dingan County is mounted in the bottom of sail body cylinder (2).
2. a kind of suppression cavitation according to claim 1 and control exceeding water gesture navigation body device, it is characterised in that：Institute
State a length of 3-14m of sail body cylinder (2)；A diameter of 0.25-2m.
3. a kind of suppression cavitation according to claim 2 and control exceeding water gesture navigation body device, it is characterised in that：Institute
Sail body head (1) is stated for tack circular arc mesa-shaped structure；Sail body head (1) top and bottom are circular horizontal platform, top
For path horizontal stand, bottom is big footpath horizontal stand；Top path horizontal stand level is coaxially located at the top of the big footpath horizontal stand in bottom；
The big footpath horizontal stand in bottom is fixedly and coaxially connected with one end of sail body cylinder (2).
4. a kind of suppression cavitation according to claim 3 and control exceeding water gesture navigation body device, it is characterised in that：Institute
The radius for stating the top path horizontal stand of sail body head (1) is 0.1-0.6 times of sail body cylinder (2) radius.
5. a kind of suppression cavitation according to claim 4 and control exceeding water gesture navigation body device, it is characterised in that：Institute
State sail body head (1) top path horizontal stand and the big footpath horizontal stand outward flange in bottom by smooth curve connect, curve across
Degree, the i.e. horizontal edge of table of top path are less than 0.1 times of sail body total length with the level interval of the horizontal edge of table in the big footpath in bottom.
6. a kind of suppression cavitation according to claim 1 and control exceeding water gesture navigation body device, it is characterised in that：Institute
Sail body is stated including two End-Management rudder faces (3)；Two End-Management rudder faces (3) are symmetrically mounted on sail body cylinder (2)
Both sides；And two End-Management rudder faces (3) are positioned at the two ends of the radial diameter of sail body cylinder (2).
7. a kind of suppression cavitation according to claim 1 and control exceeding water gesture navigation body device, it is characterised in that：Institute
State End-Management rudder face (3) to be fixedly mounted on apart from the position of the 0.05-0.1 times of sail body overall length in sail body cylinder (2) bottom surface.
8. a kind of suppression cavitation according to claim 6 and control exceeding water gesture navigation body device, it is characterised in that：Institute
It is rectangular structure to state End-Management rudder face (3), and length L1 is 1-3 times of sail body cylinder (2) radius；Width L2 is 0.6-
1.5 times of sail body cylinder (2) radiuses；Height L3 is 0.05-0.1 times of sail body cylinder (2) radius；End-Management rudder face (3) with
Sail body cylinder (2) rudder face is connected by rudderpost.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611105176.9A CN106628071B (en) | 2016-12-05 | 2016-12-05 | A kind of suppression cavitation and the navigation body device for controlling exceeding water gesture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611105176.9A CN106628071B (en) | 2016-12-05 | 2016-12-05 | A kind of suppression cavitation and the navigation body device for controlling exceeding water gesture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106628071A true CN106628071A (en) | 2017-05-10 |
| CN106628071B CN106628071B (en) | 2019-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611105176.9A Active CN106628071B (en) | 2016-12-05 | 2016-12-05 | A kind of suppression cavitation and the navigation body device for controlling exceeding water gesture |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110053752A (en) * | 2019-05-13 | 2019-07-26 | 哈尔滨工程大学 | A kind of rudder face cavitation effect inhibition device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2143931A (en) * | 1983-07-29 | 1985-02-20 | Messerschmitt Boelkow Blohm | A sighting system for a guided missile |
| DE3927724A1 (en) * | 1989-08-23 | 1993-02-25 | Nord Systemtechnik | Underwater missile esp. torpedo - has rotating and target-seeking components mounted in centre or nose with 36 deg. coverage of targets recognised by successive scanning during contra-rotation |
| JPH09303994A (en) * | 1996-05-14 | 1997-11-28 | Tech Res & Dev Inst Of Japan Def Agency | Flying member |
| US6286410B1 (en) * | 1999-05-10 | 2001-09-11 | The United States Of Americas As Represented By The Secretary Of The Navy | Buoyantly propelled submerged canister for air vehicle launch |
| CN105698615A (en) * | 2016-01-26 | 2016-06-22 | 中国船舶重工集团公司第七研究所 | Adaptive shell for launching of small-caliber payload |
-
2016
- 2016-12-05 CN CN201611105176.9A patent/CN106628071B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2143931A (en) * | 1983-07-29 | 1985-02-20 | Messerschmitt Boelkow Blohm | A sighting system for a guided missile |
| DE3927724A1 (en) * | 1989-08-23 | 1993-02-25 | Nord Systemtechnik | Underwater missile esp. torpedo - has rotating and target-seeking components mounted in centre or nose with 36 deg. coverage of targets recognised by successive scanning during contra-rotation |
| JPH09303994A (en) * | 1996-05-14 | 1997-11-28 | Tech Res & Dev Inst Of Japan Def Agency | Flying member |
| US6286410B1 (en) * | 1999-05-10 | 2001-09-11 | The United States Of Americas As Represented By The Secretary Of The Navy | Buoyantly propelled submerged canister for air vehicle launch |
| CN105698615A (en) * | 2016-01-26 | 2016-06-22 | 中国船舶重工集团公司第七研究所 | Adaptive shell for launching of small-caliber payload |
Non-Patent Citations (1)
| Title |
|---|
| 李国良等: "航行体通气空泡发射方式对出水过程的影响", 《气体物理》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110053752A (en) * | 2019-05-13 | 2019-07-26 | 哈尔滨工程大学 | A kind of rudder face cavitation effect inhibition device |
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| Publication number | Publication date |
|---|---|
| CN106628071B (en) | 2019-01-11 |
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