CN109374253A - A kind of simulation experiment platform and method optimizing submarine Flow Field - Google Patents
A kind of simulation experiment platform and method optimizing submarine Flow Field Download PDFInfo
- Publication number
- CN109374253A CN109374253A CN201810996143.0A CN201810996143A CN109374253A CN 109374253 A CN109374253 A CN 109374253A CN 201810996143 A CN201810996143 A CN 201810996143A CN 109374253 A CN109374253 A CN 109374253A
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- submarine
- flow field
- ccd
- gantry support
- activating plate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
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- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The invention discloses a kind of simulation experiment platforms and method for optimizing submarine Flow Field.The test experiments platform is mainly made of sink, submarine model, electromagnetism activating plate, CCD, gantry support, stress bar, stepper motor, reflecting mirror and capture card and industry control cabinet, and stepper motor is used to control the yaw angle of attack of submarine model；CCD is used to monitor in real time the Characteristics of Evolution in flow field；Laser axis on adjustment optical platform is reflected into reflected light on two quadrant PSD position sensor by the reflecting mirror above shaft coupling, and facula position information is converted to analog signals via analog acquisition board and is transferred to computer.This method changes the size of Lorentz power by changing the voltage of electromagnetic field activating plate, acquires submarine by the disturbance information in flow field by stress bar, the laser spot position variation acquired by optical platform embodies stability when submarine is on active service.The present invention can be used in the test of the water hole under flow fields environment, have the characteristics that high sensitivity, simple, convenient flexible.
Description
Technical field
The present invention relates to submarine Flow Field optimisation techniques, and in particular to a kind of simulated experiment for optimizing submarine Flow Field
Platform and method.
Background technique
When submarine underwater navigation, since the presence of fluid viscosity leads to problems such as flow separation, wall boundary layer turn to twist, make
It obtains submarine resistance to increase, produces a large amount of whirlpool and irregularly falling off with whirlpool.Using electromagnetic force by electromagnetism activating plate packet
It is overlying on bluff body surface, the electromagnetism volume that wall surface normal direction exponentially decays can be formed in the fluid boundary layer near bluff body surface
Power can be such that fluid accelerates, to inhibit boundary layer separation, disappear if the electromagnetic force formed is oriented parallel to fluid direction of motion
Except vortex street, achieve the purpose that drag reduction.The stress of the existing no clear submarine Flow Field of research and the relationship of electromagnetic force, are not easy to
Accurate electromagnetic force is set, to reduce submarine resistance, is inhibited by fluctuation.
Summary of the invention
The purpose of the present invention is to provide a kind of simulation experiment platforms and method for optimizing submarine Flow Field, can simulate
The hydrodynamic characteristics of submarine model under different electromagnetic forces.
The technical solution for realizing the aim of the invention is as follows: a kind of simulation experiment platform optimizing submarine Flow Field, packet
Include sink, submarine model, motor gantry support, CCD gantry support, industrial CCD, stress bar, hexagon screwed pipe, display screen, place
Manage device, optical platform and stepper motor, submarine model be set inside the sink, the submarine model include kayak body, casing and
Optronics mast, the kayak body, casing coat electromagnetism activating plate outside optronics mast, and the electromagnetism activating plate on kayak body surface is along ship
The electromagnetism activating plate winding revolving body surface arrangement on body axial arranging, casing and optronics mast surface；Setting outside the sink
Stepper motor is arranged in motor gantry support and CCD gantry support, motor gantry support top, and the stepper motor passes through stress bar
Optronics mast is connected with hexagon screwed pipe, and a reflecting mirror, CCD gantry support top are set on each face of hexagon screwed pipe
An industrial CCD is respectively set in portion and side vertical bar, the industrial CCD is connect with display screen；The optical platform includes steady
Determine pedestal, and the laser emitting source, fast mirror, spectroscope, the PSD that are arranged on stabilizing base, the laser emitting source
Transmitting light source is reflected by being irradiated on the reflecting mirror of hexagon screwed pipe side after fast mirror, spectroscope through reflecting mirror
Afterwards, PSD is injected by spectroscope；The PSD connects processor with fast mirror.
A kind of experimental method for the simulation experiment platform optimizing submarine Flow Field, includes the following steps:
Step 1, starting processor and display screen, allow laser emitting source to emit light source, and adjustment fast mirror makes laser
It can be irradiated on the reflecting mirror for being pasted onto hexagon screwed pipe side；
Step 2 allows water flow to flow into sink, at this time the as service state of submarine, flow field is observed by industrial CCD, wait flow
Field optimizes submarine Flow Field after stablizing；
Step 3, the voltage for changing submarine model electromagnetic field activating plate, the stress number of submarine model is measured by stress bar
According to, pass through PSD detect flare change in location situation；
Step 4 repeats step 3, until the change in location of the submarine model stress data of measurement and flare meets in advance
If it is required that get the electromagnetic field activating plate voltage for navigating by water submarine model fast and stable.
Compared with prior art, the present invention its remarkable advantage are as follows: 1) voltage that the present invention passes through change electromagnetic field activating plate
The size for changing Lorentz power acquires submarine by the disturbance information in flow field by stress bar, passes through the laser of optical platform acquisition
Facula position variation embody submarine be on active service when stability, submarine Flow Field can be optimized, reduce navigation of submarine resistance and
Fluctuation；2) present invention separately or concurrently can apply electromagnetic force to kayak body, casing and optronics mast position, increase reinforcing position
Flexibility；3) present invention can freely control the angle of attack of submarine by stepper motor, simulate the submarine Flow Field under the different angles of attack
Optimize situation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the simulation experiment platform of optimization submarine Flow Field of the invention.
Fig. 2 is submarine model schematic diagram of the invention.
Fig. 3 is the schematic diagram of bluff body surface package electromagnetism activating plate excitation electromagnetic force.
Fig. 4 is the structural schematic diagram of optical axis stable test macro of the invention.
Fig. 5 is optical axis stable measuring technology route map of the invention.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the present invention program is further illustrated.
As shown in Figure 1, the simulation experiment platform of optimization submarine Flow Field includes sink 1, submarine model 2, motor gantry
Bracket 4, CCD gantry support 5, industrial CCD 6, stress bar 7, hexagon screwed pipe 8, display screen 9, processor 10,12 and of optical platform
Submarine model 2 is arranged inside the sink 1 for stepper motor 13, and the submarine model 2 includes kayak body 15, and is successively set on
Casing 16, optronics mast 17 in kayak body 15, the kayak body 15, casing 16 coat electromagnetism activating plate outside optronics mast 17
14, electromagnetism activating plate 14 of the electromagnetism activating plate 14 on kayak body axial arranging, casing 16 and optronics mast 17 in kayak body 15 twines
It arranges around revolving body surface；Motor gantry support 4 and CCD gantry support 5 are set outside the sink 1, and motor gantry support 4 pushes up
Stepper motor 13 is arranged in portion, and the stepper motor 13 connects optronics mast 17, hexagon by stress bar 7 and hexagon screwed pipe 8
One reflecting mirror is set on each face of screwed pipe, an industry is respectively set on 5 top of CCD gantry support and side vertical bar
CCD, the industrial CCD are connect with display screen 9；The optical platform 12 includes stabilizing base 22, and is arranged in stabilizing base
Laser emitting source 18, fast mirror 19, spectroscope 20, PSD21 on 22, the laser emitting source 18 emit light source, pass through
It is irradiated on the reflecting mirror of 8 side of hexagon screwed pipe after fast mirror 19, spectroscope 20, after reflecting mirror reflects, by dividing
Light microscopic 20 injects PSD21；The PSD21 connection display screen 9 and processor 10.
As a kind of specific embodiment, the simulation experiment platform for optimizing submarine Flow Field further includes headlamp 3, described
Headlamp 3 is placed in outside sink, is placed in 5 side of CCD gantry support, and when water flow flows in sink 1, operating condition is complicated in water,
Headlamp can illuminate the flow field of disorder.
As a kind of specific embodiment, electromagnetic field activating plate 14 uses interface damascene structures, including interlaced arrangement
Strip shaped electric poles and magnetic pole, the electromagnetic field being interspersed generate Lorentz power.If thinking, electrode and magnetic pole only have point in the direction y and z
Amount, then electromagnetic force only has the component in the direction x.The electromagnetic force motivated can be analyzed to flow to, open up to three directions of normal direction.According to
The control of fluid boundary layer structure is needed, the present invention needs to flow to electromagnetic force, then electromagnetic pole arrangement is made its direction and incoming flow
Direction is parallel.Electromagnetism activating plate is coated and periphery, and cylinder is placed in the weakly conducting fluid of flowing in certain direction,
The Lorentz power for being formed about periphery can pass through electricity along the direction in the tangential direction downstream of cylinder, the size of electromagnetic force
Voltage on magnetic activating plate changes electromagnetic force size.
As a kind of specific embodiment, optical platform 12 is vibration for carrying out optical axis stable test, far-field position
Platform, i.e., in water hole the position of hexagonal screwed pipe 8, and PSD21 detects the change in location situation of flare, and exports and can reflect position
The weak current signal of variation is changed laser incident angle by the change of this signal and laser is enabled to be incident on hexagonal spiral shell
On pipe mirror surface.Therefore optical platform 12 also needs to add data acquisition circuit, second-order filter circuit and signal amplification translation amplification
Circuit handles PSD21 current signal.Flow chart such as Fig. 5, specific steps include: the first step, and PSD current signal is led to
It crosses resistance and is converted to voltage signal；Second step is filtered collected noise signal using second-order filter circuit；Third step, letter
Number amplification translation, the center voltage of translation determines according to control system；Finally send obtained voltage signal to processing
Device 10 is handled, and can make accurate, quick angle (such as orientation and pitch angle) tune automatically to reflecting mirror mounted
Section, for ensuring that Laser emission is gone out on the mirror surface that can be irradiated to always on hexagonal screwed pipe surface.
In experiment porch of the invention, stepper motor 13 is used to control aircraft attitude angle, and industrial CCD 6 is used to monitor stream
The differentiation of field, stress bar 7 are used to acquire disturbance information of the submarine by flow field, and optical platform 12 is used to carry PSD and FSM optical system
System, the mirror surface of the hexagon screwed pipe 8 on optronics mast top is used to reflect the incident laser of different angle, according to incident light and reflection
The deviation of light can reflect latent load mast vibration of bar.By the voltage for changing electromagnetic field activating plate 14, thus it is possible to vary Lorentz power
Size, analysis voltage and stress bar 7, optical platform 12 relationship, submarine Flow Field can be optimized, reduce navigation of submarine
Resistance and fluctuation.
The experimental method of simulation experiment platform based on above-mentioned optimization submarine Flow Field, specific as follows:
Step 1, starting processor 10 and display screen 9, allow laser emitting source 18 to emit light source, and adjustment fast mirror 19 makes
Obtaining laser can be irradiated on the reflecting mirror for being pasted onto 8 side of hexagon screwed pipe；
Step 2 allows water flow to flow into sink 1, and as the service state of submarine 2, the liquid due to flowing into sink have at this time
Viscosity, submarine stress condition is complicated, flow field disorder, observes flow field by industrial CCD 6, and optimization submarine streams after flow field is stablized
Flow field；
Step 3, the voltage for changing 2 electromagnetic field activating plate 14 of submarine model, the stress of submarine model 2 is measured by stress bar
Data detect the change in location situation of flare by PSD21；
Step 4 repeats step 3, until the change in location of 2 stress data of submarine model of measurement and flare meets in advance
If it is required that get 14 voltage of electromagnetic field activating plate for navigating by water submarine model fast and stable.
As a preferred implementation manner, in step 2, as light is undesirable or flow field disorder does not see optronics mast
Neighbouring flow field enables headlamp 3, at this time in order to observe flow change.
As a preferred implementation manner, in step 2, when the progress test experiments in need to the submarine for having the angle of attack, lead to
Stepper motor 13 is crossed to control the angle of attack of submarine model 2.
Step 3 divides the electromagnetism activating plate 14 of kayak body 15, casing 16, optronics mast 17 as a preferred implementation manner,
It does not control or simultaneously.
From the above technical scheme, it is embodied by the variation of the optical platform PSD21 laser spot position reflected
Stability of the optronics mast 17 when submarine is on active service, facula position without disorder float then explanation submarine at this local location apply
Electromagnetic force and electromagnetic force size are optimum state.The stress data measured by stress bar 7 can reflect electromagnetic force to submarine
Drag reduction effect of optimization.
Claims (8)
1. it is a kind of optimize submarine Flow Field simulation experiment platform, which is characterized in that including sink (1), submarine model (2),
Motor gantry support (4), CCD gantry support (5), industrial CCD (6), stress bar (7), hexagon screwed pipe (8), display screen (9),
Processor (10), optical platform (12) and stepper motor (13), the sink (1) is internal to be arranged submarine model (2), the submarine
Model (2) includes kayak body (15), casing (16) and optronics mast (17), the kayak body (15), casing (16), optronics mast (17)
External to coat electromagnetism activating plate (14), the electromagnetism activating plate (14) on kayak body (15) surface is along kayak body axial arranging, casing (16)
With electromagnetism activating plate (14) the winding revolving body surface arrangement on optronics mast (17) surface；Motor is set outside the sink (1)
Stepper motor (13) are arranged in gantry support (4) and CCD gantry support (5), motor gantry support (4) top, the stepper motor
(13) optronics mast (17) are connected by stress bar (7) and hexagon screwed pipe (8), one is arranged on each face of hexagon screwed pipe
Reflecting mirror, is respectively set an industrial CCD at the top of the CCD gantry support (5) and on the vertical bar of side, the industrial CCD and aobvious
Display screen (9) connection；The optical platform (12) includes stabilizing base (22), and the laser hair being arranged on stabilizing base (22)
Source (18), fast mirror (19), spectroscope (20), PSD (21) are penetrated, the laser emitting source (18) emits light source, by fast
It is irradiated on the reflecting mirror of hexagon screwed pipe (8) side after fast reflecting mirror (19), spectroscope (20), after reflecting mirror reflects, leads to
It crosses spectroscope (20) and injects PSD (21)；The PSD (21) and fast mirror (19) connection processor (10).
2. the simulation experiment platform of optimization submarine Flow Field according to claim 1, which is characterized in that further include illumination
Lamp (3), the headlamp (3) are placed in outside sink, are placed in CCD gantry support (5) side.
3. the simulation experiment platform of optimization submarine Flow Field according to claim 1, which is characterized in that the electromagnetic field
Activating plate (14) uses interface damascene structures, strip shaped electric poles and magnetic pole including interlaced arrangement.
4. the simulation experiment platform of optimization submarine Flow Field according to claim 1, which is characterized in that optical platform
It (12) further include data acquisition circuit, second-order filter circuit and signal amplification translation amplifying circuit, for believing PSD (21) electric current
Number it is acquired, filters and amplifies translation.
5. a kind of experimental method for the simulation experiment platform for optimizing submarine Flow Field, which comprises the steps of:
Step 1, starting processor (10) and display screen (9), allow laser emitting source (18) to emit light source, adjust fast mirror
(19) laser is enabled to be irradiated on the reflecting mirror for being pasted onto hexagon screwed pipe (8) side；
Step 2 allows water flow to flow into sink (1), at this time the as service state of submarine (2), observes flow field by industrial CCD (6),
Optimize submarine Flow Field after flow field is stablized；
Step 3, change submarine model (2) electromagnetic field activating plate (14) voltage, by stress bar measurement submarine model (2) by
Force data detects the change in location situation of flare by PSD (21)；
Step 4 repeats step 3, presets until the change in location of submarine model (2) stress data of measurement and flare meets
It is required that get electromagnetic field activating plate (14) voltage for navigating by water submarine model fast and stable.
6. experimental method according to claim 5, which is characterized in that in step 2, as light is undesirable or flow field is disorderly
The flow field near optronics mast is not seen disorderly, headlamp (3) is enabled at this time, in order to observe flow change.
7. experimental method according to claim 5, which is characterized in that in step 2, when it is in need to have the submarine of the angle of attack into
When row test experiments, the angle of attack of submarine model (2) is controlled by stepper motor (13).
8. experimental method according to claim 5, which is characterized in that step 3 is to kayak body (15), casing (16), photoelectricity mast
The electromagnetism activating plate (14) of bar (17) controls separately or together.
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| CN201810996143.0A CN109374253A (en) | 2018-08-29 | 2018-08-29 | A kind of simulation experiment platform and method optimizing submarine Flow Field |
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| CN201810996143.0A CN109374253A (en) | 2018-08-29 | 2018-08-29 | A kind of simulation experiment platform and method optimizing submarine Flow Field |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110082064A (en) * | 2019-04-16 | 2019-08-02 | 河海大学 | Slide rail type propeller jet flow and shipping agency wave disturbance imitative experimental appliance and analogy method |
| CN111537190A (en) * | 2020-05-19 | 2020-08-14 | 水利部交通运输部国家能源局南京水利科学研究院 | Test device for flow-induced vibration of passive body of pressure high chord-thickness ratio air box |
| CN111862722A (en) * | 2020-09-11 | 2020-10-30 | 中国人民解放军海军工程大学 | Submarine control motion teaching system |
| CN112985760A (en) * | 2021-02-08 | 2021-06-18 | 江苏科技大学 | Model angle controllable adjusting device for water tunnel test |
| CN113419510A (en) * | 2021-05-28 | 2021-09-21 | 北京航天光华电子技术有限公司 | Test equipment and method suitable for underwater vehicle control device |
| CN114018541A (en) * | 2021-09-26 | 2022-02-08 | 中国北方车辆研究所 | Full flow field measurement system suitable for dynamic system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110082064A (en) * | 2019-04-16 | 2019-08-02 | 河海大学 | Slide rail type propeller jet flow and shipping agency wave disturbance imitative experimental appliance and analogy method |
| CN110082064B (en) * | 2019-04-16 | 2020-10-30 | 河海大学 | Slide rail type propeller jet flow and ship traveling wave disturbance simulation experiment device and simulation method |
| CN111537190A (en) * | 2020-05-19 | 2020-08-14 | 水利部交通运输部国家能源局南京水利科学研究院 | Test device for flow-induced vibration of passive body of pressure high chord-thickness ratio air box |
| CN111862722A (en) * | 2020-09-11 | 2020-10-30 | 中国人民解放军海军工程大学 | Submarine control motion teaching system |
| CN112985760A (en) * | 2021-02-08 | 2021-06-18 | 江苏科技大学 | Model angle controllable adjusting device for water tunnel test |
| CN112985760B (en) * | 2021-02-08 | 2021-12-28 | 江苏科技大学 | Model angle controllable adjusting device for water tunnel test |
| CN113419510A (en) * | 2021-05-28 | 2021-09-21 | 北京航天光华电子技术有限公司 | Test equipment and method suitable for underwater vehicle control device |
| CN114018541A (en) * | 2021-09-26 | 2022-02-08 | 中国北方车辆研究所 | Full flow field measurement system suitable for dynamic system |
| CN114018541B (en) * | 2021-09-26 | 2023-09-19 | 中国北方车辆研究所 | Full flow field measurement system suitable for dynamic system |
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Application publication date: 20190222 |