CN109580167A - A kind of high-speed camera suitable for moving boundary flow field and PIV synchronized measurement system - Google Patents
A kind of high-speed camera suitable for moving boundary flow field and PIV synchronized measurement system Download PDFInfo
- Publication number
- CN109580167A CN109580167A CN201811579277.9A CN201811579277A CN109580167A CN 109580167 A CN109580167 A CN 109580167A CN 201811579277 A CN201811579277 A CN 201811579277A CN 109580167 A CN109580167 A CN 109580167A
- Authority
- CN
- China
- Prior art keywords
- piv
- camera
- speed camera
- mouth
- flow field
- 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.)
- Granted
Links
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Abstract
A kind of high-speed camera suitable for moving boundary flow field disclosed by the invention and PIV synchronized measurement system, belong to hydrodynamic calculations technical field.The present invention includes computer, drive control device, driving device, water tunnel test section, synchronous measuring apparatus, PIV camera, laser generator, high-speed camera.Realize that PIV camera carries out laser particle image speed measurement to tested hydrofoil flow field by the perspective effect of single plane fluoroscopy mirror, realize that high-speed camera carries out whole flow field shooting to tested hydrofoil flow field by the reflection effect of single plane fluoroscopy mirror, to realize high-speed camera and PIV synchro measure.It is maintained in same shafting by the way that the camera lens of PIV camera and PIV are shot mouth, camera lens and high-speed camera the shooting mouth of high-speed camera are maintained in same shafting, to guarantee the accuracy of synchro measure.The present invention can be realized the synchro measure of moving boundary Flow Field high-speed camera Yu laser particle image speed measurement, and then improve measurement efficiency, and can be improved Data Processing in Experiment precision by synchro measure.
Description
Technical field
The present invention relates to a kind of high-speed cameras suitable for moving boundary flow field and PIV synchronized measurement system, belong to fluid force
Learn experimental technique field.
Background technique
In aerospace field, in order to avoid flutter and resonance in power stall, structure, the dynamic characteristic of Oscillating Airfoil by
Pay attention to more and more.In hydraulic research, the additional forces of generation and the disturbance of sound component are rotated to rapids
Stream process, the development in boundary layer, fluidal texture spatial and temporal distributions have important influence, the flow field phase of nonrotational/rotatable parts
The physical mechanism mutually interfered is always the key points and difficulties studied.In propeller, turbine pump, hydraulic turbine start and stop, fly ease, increase and decrease
In the transient processes such as load, transient process transient flow can make the effective angle of attack of lifting surface change, and internal flow is complicated
It is changeable, show strong unstability.Therefore, understand the change of object unstable state hydrodynamic load and vibration under dynamic change
Change, to hydraulic transient process Unsteady Flow Mechanism and dynamic characteristics is understood, the design of Optimum Hydraulic machinery improves waterpower
Performance has great significance.
Basic unit of the hydrofoil as structure of hydraulic machinery studies often by as basic moving boundaries circumferential motion problem
Object.Experimental study is the basic methods for seeking physical mechanism, and wherein high-speed fluid visualization is widely used in fluid
It tests in measuring study.The working principle of high-speed fluid visualization mainly claps flow phenomenon using high speed camera
It takes the photograph, and carries out qualitative analysis for shooting picture.At the same time, laser particle image velocimetry (PIV) due to the whole audience,
The features such as non-cpntact measurement, is also widely used in fluid experiment measuring study.PIV technology is applied to the stream of moving boundaries
Admittedly coupling in flow field survey experimental study, it can obtain solid structure Boundary motion information, instantaneous whole audience speed can also be obtained
Vector is spent, the limitation of spot measurement is overcome.The information such as solids movement rule, velocity field, Vorticity Field that synchronous acquisition obtains,
The transient state coupling process of this kind of challenge of fluid structurecoupling can be helped to further investigate.However for high-speed fluid visualization
And PIV technology often mostly measures respectively, it is difficult to guarantee the synchronism of the two, and then flow field relevant information is caused to be analyzed
It is difficult.It is studied especially for moving boundary circumferential motion problem, in order to analyze non-stable diffusion and hydrodynamic load under dynamic change
Variation, the synchro measure of the two is particularly important.Therefore, it is badly in need of proposing a kind of high-speed camera suitable for moving boundary flow field
With PIV synchronized measurement system.
Summary of the invention
Exist to solve the prior art for moving boundary Flow Field high-speed camera and PIV (laser particle image speed measurement)
Can not synchro measure the problem of, a kind of high-speed camera suitable for moving boundary flow field disclosed by the invention and PIV synchro measure system
System technical problems to be solved are: realize the synchro measure of moving boundary Flow Field high-speed camera and laser particle image speed measurement,
And then it improves moving boundary Flow Field and tests measurement efficiency, and Data Processing in Experiment precision can be improved by synchro measure.
Object of the present invention is to what is be achieved through the following technical solutions.
A kind of high-speed camera suitable for moving boundary flow field disclosed by the invention and PIV synchronized measurement system, including calculate
Machine, drive control device, driving device, water tunnel test section, synchronous measuring apparatus, PIV camera, laser generator, high-speed camera.
Driving device is installed on rear side of the water tunnel test section, tested hydrofoil is equipped between the driving device and the water tunnel test section；
The driving device is connect by the drive control device with the computer.The water tunnel test section other side is laid with PIV
Laser generator is laid in the hydrofoil underface of camera, the water tunnel test section, between the PIV camera and the water tunnel test section
Synchronous measuring apparatus is laid, the synchronous measuring apparatus is laid with PIV shooting mouth, high-speed camera shooting mouth, sync pulse jamming mouth；Institute
It states PIV shooting mouth and is parallel to the sync pulse jamming mouth, the high-speed camera shooting mouth is perpendicular to the sync pulse jamming mouth；It is described
PIV shoots and is equipped with single plane fluoroscopy mirror inside mouth, high-speed camera shooting mouth and the sync pulse jamming mouth three.In the PIV
Shooting mouth leads on the direction of the sync pulse jamming mouth, and the single plane fluoroscopy mirror is lens；Lead to institute in the sync pulse jamming mouth
On the direction for stating PIV shooting mouth, the single plane fluoroscopy mirror is reflective mirror.The PIV camera, the high-speed camera pass through conducting wire
It is connect with the computer.Optical path between the water tunnel test section and laser generator is laid convenient for the transparent of laser projection
Plate.Optical path between the water tunnel test section and synchronous measuring apparatus lays the transparent panel convenient for shooting.
Preferentially, the computer is taken the photograph for controlling the drive control device, and for the PIV camera and the high speed
It triggers to camera and is acquired with data.
Preferentially, the synchronous measuring apparatus shape is three-way device, and further preferably, shape is threeway cylinder unit.
Preferentially, the camera lens of the PIV camera is co-axially mounted with PIV shooting mouth, the camera lens of the high-speed camera
It is co-axially mounted with high-speed camera shooting mouth.
The working method of a kind of high-speed camera suitable for moving boundary flow field disclosed by the invention and PIV synchronized measurement system
Are as follows: the kinematic parameter of tested hydrofoil is set by computer 1 first, drive control device 2 is sent an instruction to, to control driving
Device 3 drives tested hydrofoil movement.Then water tunnel test section 4 is illuminated by laser generator 7, opens PIV camera 6 and high speed
Video camera 8.In test, it in the installed in front synchronous measuring apparatus 5 of PIV camera 6, is equipped with inside synchronous measuring apparatus 5 single
To photoscope 5.4, while guaranteeing that the camera lens of PIV camera 6 and PIV shooting mouth 5.1 keep on the same axis, guaranteeing high-speed camera
Camera lens and high-speed camera the shooting mouth 5.2 of machine 8 keep on the same axis, realizing by the reflection effect of single plane fluoroscopy mirror 5.4
High-speed camera 8 carries out whole flow field shooting to tested hydrofoil flow field, realizes PIV phase by the perspective effect of single plane fluoroscopy mirror 5.4
Machine 6 carries out laser particle image speed measurement to tested hydrofoil flow field, to realize synchronous with high-speed camera to PIV measurement.With this
Meanwhile triggering and data acquisition control are carried out to PIV camera 6 and high-speed camera 8 by computer 1, realize moving boundary
Flow Field high-speed camera with laser particle image speed measurement synchro measure, and then raising moving boundary Flow Field test measurement effect
Rate, and experimental data processing precision can be improved by synchro measure.
The utility model has the advantages that
1, a kind of high-speed camera and PIV synchronized measurement system suitable for moving boundary flow field disclosed by the invention, by setting
Single plane fluoroscopy mirror is set, realizes that PIV camera carries out laser particle figure to tested hydrofoil flow field by the perspective effect of single plane fluoroscopy mirror
Realize that high-speed camera carries out whole flow field bat to tested hydrofoil flow field as testing the speed, while by the reflection effect of single plane fluoroscopy mirror
It takes the photograph, to realize high-speed camera and PIV synchro measure.
2, a kind of high-speed camera and PIV synchronized measurement system suitable for moving boundary flow field disclosed by the invention, pass through by
Camera lens and PIV the shooting mouth of PIV camera are maintained in same shafting, and camera lens and high-speed camera the shooting mouth of high-speed camera are kept
In same shafting, to guarantee the accuracy of synchro measure.
3, a kind of high-speed camera and PIV synchronized measurement system suitable for moving boundary flow field disclosed by the invention, by setting
Computer and driving device are set, intelligently can easily realize the control to the movement of tested hydrofoil；It realizes simultaneously and PIV is shot
And synchronous triggering and the rapid data collection of high-speed camera data, realize moving boundary Flow Field high-speed camera and laser particle
Image speed measurement ground synchro measure, and then improve moving boundary Flow Field and test measurement efficiency, and can be improved by synchro measure
Experimental data processing precision.
4, a kind of high-speed camera and PIV synchronized measurement system suitable for moving boundary flow field disclosed by the invention, PIV phase
Machine, high-speed camera are realization telemeasurement, do not influence experimentation, therefore, are suitable for static conditions and various dynamic
Synchronous experiments are streamed on boundary.
Detailed description of the invention
Fig. 1 is the work of a kind of high-speed camera suitable for moving boundary flow field disclosed by the invention Yu PIV synchronized measurement system
Make schematic diagram；
It is same with PIV synchronized measurement system that Fig. 2 is a kind of high-speed camera suitable for moving boundary flow field disclosed by the invention
Walk the cross-sectional view of measuring device；
It is same with PIV synchronized measurement system that Fig. 3 is a kind of high-speed camera suitable for moving boundary flow field disclosed by the invention
Walk the 3-D view of measuring device；
Wherein, 1- computer, 2- drive control device, 3- driving device, 4- water tunnel test section, 5- synchronous measuring apparatus, 6-
PIV camera, 7- laser generator, 8- high-speed camera, 5.1-PIV shoot mouth, and 5.2- high-speed camera shoots mouth, and 5.3- is synchronous to be clapped
Take the photograph mouth, 5.4- single plane fluoroscopy mirror.
Specific embodiment
With reference to the accompanying drawing, a specific embodiment of the invention is illustrated.
Embodiment 1
As shown in Figure 1, Figure 2, Figure 3 shows, which includes computer 1, drive control device 2, driving device 3, water tunnel test section
4, synchronous measuring apparatus 5, PIV camera 6, laser generator 7, high-speed camera 8.Driving device is installed on rear side of water tunnel test section 4
3, tested hydrofoil is equipped between driving device 3 and water tunnel test section 4；The driving device 3 passes through drive control device 2 and computer
1 connection.4 other side of water tunnel test section is laid with PIV camera 6, lays laser generator 7 immediately below the hydrofoil of water tunnel test section 4,
Synchronous measuring apparatus 5 is laid between PIV camera 6 and water tunnel test section 4, synchronous measuring apparatus 5 is laid with PIV shooting mouth 5.1, height
Fast photography mouth 5.2, sync pulse jamming mouth 5.3；PIV shooting mouth 5.1 is parallel to sync pulse jamming mouth 5.3, and high-speed camera shoots mouth
5.2 perpendicular to sync pulse jamming mouth 5.3；PIV is shot inside mouth 5.1, high-speed camera shooting mouth 5.2 and 5.3 three of sync pulse jamming mouth
Equipped with single plane fluoroscopy mirror 5.4.Lead on the direction of sync pulse jamming mouth 5.3 in PIV shooting mouth 5.1, single plane fluoroscopy mirror 5.4 is
Mirror；On the direction that sync pulse jamming mouth 5.3 leads to PIV shooting mouth 5.1, single plane fluoroscopy mirror 5.4 is reflective mirror.PIV camera 6, height
Fast video camera 8 is connect by conducting wire with computer 1.Optical path between water tunnel test section 4 and laser generator 7 is laid to swash
The transparent panel of light projection.Optical path between water tunnel test section 4 and synchronous measuring apparatus 5 lays the transparent panel convenient for shooting.It calculates
Machine 1 is acquired for controlling drive control device 2, and for PIV camera 6 and the triggering of 8 ground of high-speed camera and data.
As shown in Figure 1, the camera lens of PIV camera 6 and PIV shooting mouth 5.1 are maintained in same shafting, high-speed camera 8
Camera lens and high-speed camera shooting mouth 5.2 are maintained in same shafting.As shown in Fig. 2, 5 shape of synchronous measuring apparatus is threeway cylinder
Device.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of high-speed camera suitable for moving boundary flow field and PIV disclosed in the present embodiment are same
Walk the working method of measuring system are as follows: the kinematic parameter of tested hydrofoil is set by computer 1 first, sends an instruction to driving
Controller 2, so that controlling driving device 3 drives tested hydrofoil movement.Then water tunnel test section 4 is illuminated by laser generator 7,
Open PIV camera 6 and high-speed camera 8.In test, in the installed in front synchronous measuring apparatus 5 of PIV camera 6, in synchronization
It is equipped with single plane fluoroscopy mirror 5.4 inside measuring device 5, while guaranteeing that the camera lens of PIV camera 6 is maintained at same with PIV shooting mouth 5.1
On axis, guarantee that the camera lens of high-speed camera 8 and high-speed camera shooting mouth 5.2 keep on the same axis, passing through single plane fluoroscopy
The reflection effect of mirror 5.4 realizes that high-speed camera 8 carries out whole flow field shooting to tested hydrofoil flow field, passes through single plane fluoroscopy mirror 5.4
Perspective effect realize PIV camera 6 to tested hydrofoil flow field carry out laser particle image speed measurement, thus realize to PIV measurement with
The synchronization of high-speed camera.At the same time, triggering and data are carried out to PIV camera 6 and high-speed camera 8 by computer 1
Acquisition control, with realizing moving boundary Flow Field high-speed camera and laser particle image speed measurement synchro measure, and then the dynamic side of raising
Boundary's Flow Field test measurement efficiency, and experimental data processing precision can be improved by synchro measure.
Above-described specific descriptions have carried out further specifically the purpose of invention, technical scheme and beneficial effects
It is bright, it should be understood that the above is only a specific embodiment of the present invention, the protection model being not intended to limit the present invention
It encloses, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the present invention
Protection scope within.
Claims (5)
1. a kind of high-speed camera suitable for moving boundary flow field and PIV synchronized measurement system, it is characterised in that: including computer
(1), drive control device (2), driving device (3), water tunnel test section (4), synchronous measuring apparatus (5), PIV camera (6), laser hair
Raw device (7), high-speed camera (8)；Driving device (3) are installed on rear side of the water tunnel test section (4), the driving device (3) with
Tested hydrofoil is equipped between the water tunnel test section (4)；The driving device (3) by the drive control device (2) with it is described
Computer (1) connection；Water tunnel test section (4) other side is laid with PIV camera (6), the hydrofoil of the water tunnel test section (4)
Laser generator (7) are laid in underface, lay synchronous measuring apparatus between the PIV camera (6) and the water tunnel test section (4)
(5), the synchronous measuring apparatus (5) is laid with PIV shooting mouth (5.1), high-speed camera shooting mouth (5.2), sync pulse jamming mouth
(5.3)；PIV shooting mouth (5.1) is parallel to the sync pulse jamming mouth (5.3), and high-speed camera shooting mouth (5.2) is vertical
In the sync pulse jamming mouth (5.3)；PIV shooting mouth (5.1), the high-speed camera shoot mouth (5.2) and the synchronous bat
It takes the photograph inside mouth (5.3) three and is equipped with single plane fluoroscopy mirror (5.4)；Lead to the sync pulse jamming mouth in PIV shooting mouth (5.1)
(5.3) on direction, the single plane fluoroscopy mirror (5.4) is lens；Lead to the PIV shooting in the sync pulse jamming mouth (5.3)
On the direction of mouth (5.1), the single plane fluoroscopy mirror (5.4) is reflective mirror；The PIV camera (6), the high-speed camera (8)
It is connect by conducting wire with the computer (1)；Optical path between the water tunnel test section (4) and laser generator (7) is laid
Convenient for the transparent panel of laser projection；Optical path between the water tunnel test section (4) and synchronous measuring apparatus (5) is laid convenient for shooting
Transparent panel；The computer (1) is used for the PIV camera (6) and the height for controlling the drive control device (2)
It triggers to fast video camera (8) and is acquired with data.
2. a kind of high-speed camera suitable for moving boundary flow field as described in claim 1 and PIV synchronized measurement system, feature
Be: synchronous measuring apparatus (5) shape is three-way device.
3. a kind of high-speed camera suitable for moving boundary flow field as claimed in claim 2 and PIV synchronized measurement system, feature
Be: synchronous measuring apparatus (5) shape is threeway cylinder unit.
4. a kind of high-speed camera suitable for moving boundary flow field as claimed in claim 1 or 2 and PIV synchronized measurement system,
Be characterized in that: the camera lens of the PIV camera (6) is co-axially mounted with PIV shooting mouth (5.1), the high-speed camera (8)
Camera lens is co-axially mounted with high-speed camera shooting mouth (5.2).
5. a kind of high-speed camera suitable for moving boundary flow field as claimed in claim 1 or 2 and PIV synchronized measurement system,
Be characterized in that: working method is that the kinematic parameter of tested hydrofoil is arranged by computer (1) first, sends an instruction to driving
Controller (2), so that controlling driving device (3) drives tested hydrofoil movement；Then water hole examination is illuminated by laser generator (7)
It tests section (4), opens PIV camera (6) and high-speed camera (8)；In test, in the same pacing of installed in front of PIV camera (6)
Measure device (5), be equipped with single plane fluoroscopy mirror (5.4) inside the synchronous measuring apparatus (5), at the same guarantee the camera lens of PIV camera (6) with
PIV shoots mouth (5.1) and the camera lens for guaranteeing high-speed camera (8) on the same axis and high-speed camera shooting mouth (5.2) is kept to protect
Hold on the same axis, by the reflection effect of single plane fluoroscopy mirror (5.4) realize high-speed camera (8) to tested hydrofoil flow field into
The shooting of row whole flow field realizes that PIV camera (6) swash tested hydrofoil flow field by the perspective effect of single plane fluoroscopy mirror (5.4)
Light particle image speed measurement, to realize synchronous with high-speed camera to PIV measurement；At the same time, by computer (1) to PIV
Camera (6) and high-speed camera (8) carry out triggering and data acquisition control, realize moving boundary Flow Field high-speed camera with
Laser particle image speed measurement ground synchro measure, and then moving boundary Flow Field test measurement efficiency is improved, and pass through synchro measure
It can be improved experimental data processing precision.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811579277.9A CN109580167B (en) | 2018-12-24 | 2018-12-24 | High-speed camera shooting and PIV synchronous measurement system suitable for dynamic boundary flow field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811579277.9A CN109580167B (en) | 2018-12-24 | 2018-12-24 | High-speed camera shooting and PIV synchronous measurement system suitable for dynamic boundary flow field |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109580167A true CN109580167A (en) | 2019-04-05 |
| CN109580167B CN109580167B (en) | 2020-05-19 |
Family
ID=65931461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811579277.9A Active CN109580167B (en) | 2018-12-24 | 2018-12-24 | High-speed camera shooting and PIV synchronous measurement system suitable for dynamic boundary flow field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109580167B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110456098A (en) * | 2019-08-28 | 2019-11-15 | 北京工业大学 | It is a kind of to avoid reflective retaining device for PIV experiment |
| CN110930835A (en) * | 2019-12-26 | 2020-03-27 | 哈尔滨工程大学 | PIV teaching test device |
| CN111458532A (en) * | 2020-04-17 | 2020-07-28 | 东北电力大学 | System and method for synchronously measuring speed field and density field |
| CN112067309A (en) * | 2020-09-10 | 2020-12-11 | 北京航空航天大学 | PIV full flow field synchronous automatic measurement system based on rotary experiment table |
| CN112924138A (en) * | 2021-01-27 | 2021-06-08 | 西北工业大学 | Multifunctional bionic hydrodynamic test platform |
| CN113125801A (en) * | 2021-04-23 | 2021-07-16 | 南京工业大学 | Anti-reflection device for limiting incident laser path and customizing shooting area in PIV experiment and using method |
| CN113358312A (en) * | 2021-06-04 | 2021-09-07 | 北京理工大学 | Vortex-induced vibration synchronous measurement method based on high-speed cavitation water tunnel |
| CN113916493A (en) * | 2021-09-26 | 2022-01-11 | 南京航空航天大学 | Device and method for measuring specific area flow field and global flow field of airfoil under variable attack angle |
| CN114414205A (en) * | 2022-01-21 | 2022-04-29 | 中山大学 | Load and flow field integrated and measuring device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009264772A (en) * | 2008-04-22 | 2009-11-12 | Nikon Corp | Flow evaluation apparatus and flow evaluation method |
| CN102445321A (en) * | 2011-10-10 | 2012-05-09 | 南京航空航天大学 | PIV (Peak Inverse Voltage) detection device used for total flow field of streaming flow field cross section |
| KR101453212B1 (en) * | 2013-10-15 | 2014-10-23 | 한국해양과학기술원 | Apparatus for Measuring Propeller Wake in Towing Tank |
| CN107015022A (en) * | 2017-06-14 | 2017-08-04 | 西华大学 | Particle image velocimetry device and particle picture method of testing |
| CN108760234A (en) * | 2018-06-05 | 2018-11-06 | 哈尔滨工程大学 | A kind of fluid flowing and solids movement synchronizing information test method and device based on PIV and PTV technologies |
| CN108896783A (en) * | 2018-05-14 | 2018-11-27 | 中国人民解放军战略支援部队航天工程大学 | A kind of particle image velocimetry device, method and system |
-
2018
- 2018-12-24 CN CN201811579277.9A patent/CN109580167B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009264772A (en) * | 2008-04-22 | 2009-11-12 | Nikon Corp | Flow evaluation apparatus and flow evaluation method |
| CN102445321A (en) * | 2011-10-10 | 2012-05-09 | 南京航空航天大学 | PIV (Peak Inverse Voltage) detection device used for total flow field of streaming flow field cross section |
| KR101453212B1 (en) * | 2013-10-15 | 2014-10-23 | 한국해양과학기술원 | Apparatus for Measuring Propeller Wake in Towing Tank |
| CN107015022A (en) * | 2017-06-14 | 2017-08-04 | 西华大学 | Particle image velocimetry device and particle picture method of testing |
| CN108896783A (en) * | 2018-05-14 | 2018-11-27 | 中国人民解放军战略支援部队航天工程大学 | A kind of particle image velocimetry device, method and system |
| CN108760234A (en) * | 2018-06-05 | 2018-11-06 | 哈尔滨工程大学 | A kind of fluid flowing and solids movement synchronizing information test method and device based on PIV and PTV technologies |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110456098A (en) * | 2019-08-28 | 2019-11-15 | 北京工业大学 | It is a kind of to avoid reflective retaining device for PIV experiment |
| CN110930835A (en) * | 2019-12-26 | 2020-03-27 | 哈尔滨工程大学 | PIV teaching test device |
| CN111458532A (en) * | 2020-04-17 | 2020-07-28 | 东北电力大学 | System and method for synchronously measuring speed field and density field |
| CN112067309A (en) * | 2020-09-10 | 2020-12-11 | 北京航空航天大学 | PIV full flow field synchronous automatic measurement system based on rotary experiment table |
| CN112924138A (en) * | 2021-01-27 | 2021-06-08 | 西北工业大学 | Multifunctional bionic hydrodynamic test platform |
| CN112924138B (en) * | 2021-01-27 | 2023-03-10 | 西北工业大学 | Multifunctional bionic hydrodynamic test platform |
| CN113125801A (en) * | 2021-04-23 | 2021-07-16 | 南京工业大学 | Anti-reflection device for limiting incident laser path and customizing shooting area in PIV experiment and using method |
| CN113358312A (en) * | 2021-06-04 | 2021-09-07 | 北京理工大学 | Vortex-induced vibration synchronous measurement method based on high-speed cavitation water tunnel |
| CN113358312B (en) * | 2021-06-04 | 2023-01-10 | 北京理工大学 | Vortex-induced vibration synchronous measurement method based on high-speed cavitation water tunnel |
| CN113916493A (en) * | 2021-09-26 | 2022-01-11 | 南京航空航天大学 | Device and method for measuring specific area flow field and global flow field of airfoil under variable attack angle |
| CN113916493B (en) * | 2021-09-26 | 2022-09-20 | 南京航空航天大学 | Device and method for measuring specific area flow field and global flow field of airfoil under variable attack angle |
| CN114414205A (en) * | 2022-01-21 | 2022-04-29 | 中山大学 | Load and flow field integrated and measuring device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109580167B (en) | 2020-05-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109580167A (en) | A kind of high-speed camera suitable for moving boundary flow field and PIV synchronized measurement system | |
| CN106644353B (en) | A kind of PIV wind tunnel test methods for Ship Air flow field survey | |
| CN107333046B (en) | Collecting method and Tunnel testing vehicle | |
| CN103048114B (en) | Testing device and method for three-dimensional PIV (Particle Image Velocimetry) internal flow field testing system of hydraulic retarder | |
| CN103197095B (en) | Hierarchical synchronization three dimensional particles image speed measurement method and apparatus | |
| CN2606895Y (en) | Digital particle image velocity measurement system | |
| CN104215795B (en) | Large scale particle image velocimetry method based on sky control surface flow field computational algorithm | |
| JP3718686B2 (en) | Plane and space time-series fluid velocity measurement system | |
| Brücker | 3-D scanning-particle-image-velocimetry: technique and application to a spherical cap wake flow | |
| CN110988391A (en) | Experimental method for measuring unsteady cavitation flow field velocity | |
| CN109724765B (en) | Shooting system and method for high-speed wind tunnel serialization flow image | |
| CN104360101A (en) | Flow velocity and flow direction automatic measuring instrument and measuring method thereof | |
| CN109459582A (en) | Laser particle image speed measurement data processing method based on moving boundary self-identifying | |
| CN115901178A (en) | System and method for measuring and analyzing wave resonance flow field characteristics among multi-body marine structures | |
| CN104569482A (en) | Surface speed measurement device and method for high-speed liquid jet | |
| Lawson et al. | Measurement of deformation of rotating blades using digital image correlation | |
| CN102980520A (en) | Double-pulse digital speckle transient measuring device and method | |
| CN206832432U (en) | Multi-section synchronous images filming apparatus based on the scattering of nanometer tracer planar laser | |
| Matsuuchi et al. | Investigation of the unsteady mechanism in the generation of propulsive force while swimming using a synchronized flow visualization and motion analysis system | |
| CN209559144U (en) | Bullet train dynamic clearance measuring system | |
| Chen et al. | Synchronization and calibration of a stereo vision system | |
| CN207133315U (en) | Utilize the device of PIV technologies measurement fish body tail vorticity field | |
| CN107505323A (en) | A kind of Solid-fluid Two-phase Flow observation system | |
| CN104156920A (en) | Method for processing impeller flow field images of centrifugal pump | |
| Neubert et al. | Analysis of in-cylinder air motion in a fully optically accessible 2V-diesel engine by means of conventional and time resolved PIV |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |