CN108918080A - Propeller wake field measuring system under a kind of multi-state - Google Patents
Propeller wake field measuring system under a kind of multi-state Download PDFInfo
- Publication number
- CN108918080A CN108918080A CN201810188710.XA CN201810188710A CN108918080A CN 108918080 A CN108918080 A CN 108918080A CN 201810188710 A CN201810188710 A CN 201810188710A CN 108918080 A CN108918080 A CN 108918080A
- Authority
- CN
- China
- Prior art keywords
- cross bar
- connecting rod
- propeller
- laser
- bar
- 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)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The purpose of the present invention is to provide propeller wake field measuring systems under a kind of multi-state, including sink, push up cross bar, middle cross bar, bottom cross bar, first stepper motor, second stepper motor, left side above sink is installed by the first guide rail, right side above slot is installed by the second guide rail, first trailer is installed on the first guide rail, second trailer is installed on the second guide rail, the first upper connecting rod is fixed above first trailer, the second upper connecting rod is fixed above second trailer, top cross bar is fixed on first upper connecting rod and the second upper connecting rod, push up cross bar in being arranged below cross bar, middle cross bar lower part is fixedly connected with the first lower connecting rod and the second lower connecting rod, the bottom of first lower connecting rod and the second lower connecting rod is fixedly connected with bottom cross bar, sink side is fixed with fixed top plate, fixed top plate is connected with support rod, reflective mirror is housed on support rod.The present invention is applicable not only to the measurement of tail flow field under propeller dynamic motion, while being also applied for the conventional propeller wake flow field measurement of no peculair motion form.
Description
Technical field
The present invention relates to a kind of flow field survey systems, specifically propeller wake field measuring system.
Background technique
Propeller promotes the main propulsion mode as current ship, is the emphasis of scholars' research.The tail of propeller
It flows because itself and propeller cavitation, noise and structure problem etc. are related, also the research hotspot of always major research institution.With
Requirement of the people to propeller motion performance under actual working conditions is higher and higher, predicts that propeller is dynamic with shipping under full-scale condition
Such as heave and the requirement of hydrodynamic performance when steering state by it is further proposed that.Fluid Mechanics Computation (CFD) is because having into
This is low, speed is fast, complete information and the advantage of uniqueness such as a variety of different operating conditions of analog and gain great popularity, however it calculates and ties
The integrity problem of fruit is also than more prominent.PIV (Particle Image Velocimetry, particle image velocimetry) technology because
It measures the characteristics of the noiseless of flow field, transient state and whole audience tachometric survey, is concerned in recent years.The powerful reality as PIV
Test measuring technology, can be used as existing computation model Shortcomings or on the basis of lack model for verifying model or work
For the important tool for finding new physical phenomenon.At present both at home and abroad about the tail flow field PIV measurement under propeller off-design behaviour
Record it is very rare.
Summary of the invention
The purpose of the present invention is to provide propeller wake field measuring systems under a kind of multi-state based on PIV technology.
The object of the present invention is achieved like this：
Propeller wake field measuring system under a kind of multi-state of the present invention, it is characterized in that：Including sink, top cross bar, middle cross
The first guide rail is installed in bar, bottom cross bar, the first stepper motor, second stepper motor, the left side above sink, the right side peace above slot
The second guide rail is filled, the first trailer is installed on the first guide rail, the second trailer is installed on the second guide rail, fixes first above the first trailer
Upper connecting rod, the second trailer top fix the second upper connecting rod, it is horizontal that top are fixed on the first upper connecting rod and the second upper connecting rod
Bar pushes up and installs the first stepper motor on cross bar, and the first stepping motor bottom connects lead screw, cross bar in setting below the cross bar of top, in
Threaded hole is set in the middle part of cross bar, and the both ends of middle cross bar are respectively provided with circular hole, and lead screw passes through threaded hole and closes with corresponding threaded holes, first
Upper connecting rod and the second upper connecting rod are each passed through the circular hole at middle cross bar both ends, and the side of middle cross bar is fixed with connecting plate, connection
Board bottom portion is fixed with connection sheet, and the first slide bar, the second slide bar are installed in connection sheet lower part respectively, and the first slide bar passes through laser base
Laser is installed, for the second slide bar by camera pedestal installation camera, middle cross bar lower part is fixedly connected with the first lower connecting rod and the
The bottom of two lower connecting rods, the first lower connecting rod and the second lower connecting rod is fixedly connected with bottom cross bar, setting angle instrument on the cross bar of bottom,
Second stepper motor to be installed above inclinometer, connects propeller system below inclinometer, sink side is fixed with fixed top plate, Gu
Determine top plate lower part and be connected with support rod, support rod lower end is fixed on the fixed base, and reflective mirror is housed on support rod.
The present invention can also include：
1, laser base can rotate on the first slide bar, and camera pedestal can rotate on the second slide bar.
2, reflective mirror can cooperate the rotation of laser to rotate around support rod.
3, when measuring propeller wake field transversal cross-section flow field, the polishing angle parallel of laser is in propeller disk；
When measuring propeller wake field longitudinal cross-section flow field, in laser polishing to reflective mirror, the angle of reflective mirror is adjusted, using anti-
Light microscopic reflects the laser light to the different longitudinal cross-section positions of propeller wake field.
Advantage of the invention is that：The form that the present invention uses encoder to combine with stepper motor, realizes model
Dynamic motion (including heave movement and steering campaign), structure is simple, easy to operate.Middle cross bar in the present invention is cleverly by rail
Acting trailer system on road has been connected on together with camera-laser apparatus, and the complete of measuring device and model to be measured may be implemented
It moves synchronously.The rotation of camera-laser apparatus adjusts angle function, the multi-faceted whole flow field measurement of multi-angle may be implemented, greatly
The big saving time cost of replacement and commissioning device improves measurement efficiency, and structure simple possible is high.Using coding
Device-stepper motor-screw rod special construction cleverly realizes the heave movement form of propeller system.The present invention is not only applicable in
The measurement of tail flow field under propeller dynamic motion, while being also applied for no peculair motion form and (being not required to open encoder and step
Into motor) conventional propeller wake flow field measurement.The present invention maximumlly realizes the utilization rate of device, is greatly saved into
This, and measurement efficiency easy to operate is high, easy to process and popularization, can effectively solve complicated wake flow under propeller off-design behaviour
The PIV of field measures problem, while also can solve the problem of comprehensive flow field survey in propeller wake field PIV measurement.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is partial schematic diagram of the invention；
Fig. 3 is measurement laser optical path schematic diagram.
Specific embodiment
It illustrates with reference to the accompanying drawing and the present invention is described in more detail：
In conjunction with Fig. 1-3, the present invention includes cuboid sink 1, and sink 1 is made of the preferable organic glass of translucency, thereon
Square left side is equipped with guide rail 2, and right side is equipped with guide rail 16, trailer 7 and trailer 14 are housed on two side rails, and acting trailer system passes through controllable
Gear motor reaches scheduled towed speed.6 upper connecting rod of upper connecting rod has been respectively fixedly connected with above trailer 7 and trailer 14
15, upper connecting rod top is fixedly connected with top cross bar 5, pushes up and is connected with stepper motor 3 on cross bar 5, equipped with coding on stepper motor 3
Device 4,3 bottom of stepper motor are connected with screw rod 31, and middle cross bar 30 is housed on screw rod 31, is equipped with threaded hole and two among middle cross bar 30
End is respectively equipped with the smooth circular hole across upper connecting rod, and middle cross bar 30 can be on upper connecting rod without Frictional Slipping.Propeller system
Encoder 4 is written in 24 heave movement form by way of input motion equation, and encoder 4 controls stepper motor 3, stepping electricity
Machine 3 passes through the speed of rotation of control screw rod 31, the heave movement form of cross bar 30 in realization.Middle 30 side of cross bar is fixedly connected with
Connecting plate 8,8 bottom of connecting plate are fixedly connected with connection sheet 9, and 9 lower part of connection sheet is equipped with slide bar 18 and slide bar 19, fills on slide bar 18
There is laser base 23, laser 22 is installed on laser base 23, laser base 23 can rotate on slide bar 18, thus
Realize different laser polishing angles.Camera pedestal 20 is housed on slide bar 19, camera 21, camera are installed in camera pedestal 20
Pedestal 20 can rotate on slide bar 19, to realize different camera shooting angles.Middle 30 lower part of cross bar is fixedly connected with lower company
Extension bar 17 and lower connecting rod 29, lower connecting rod bottom are fixedly connected with bottom cross bar 25, inclinometer 26, angle are housed on bottom cross bar 25
Stepper motor 27 is housed above instrument 26, encoder 28 is housed on stepper motor 27, is connected with propeller system below inclinometer 26
24, propeller system 24 includes propeller, cabin and bracket, and inclinometer 26 with real-time display and can monitor propeller system 24
Helm angle.Encoder 28 is written in the steering forms of motion of propeller system 24 by way of input motion equation, coding
Device 28 controls stepper motor 27, to realize the steering campaign of propeller system 24.1 one end of sink is fixed equipped with fixed top plate
10, fixed 10 lower part of top plate is connected with support rod 12, and 12 lower end of support rod is fixed on firm banking 13, is equipped on support rod 12
Reflective mirror 11, reflective mirror 11 can be rotated around support rod 12, cooperate the rotation of laser 22, to reflect swashing for different angle
Light realizes the screw current field measurement to different vertical sections.All measuring devices being connected with wherein the middle cross bar 30 are equal in figure
Heave movement can be done with middle cross bar 30, all measuring devices being directly or indirectly connected with trailer can be with trailer system in figure
Movement is unified, it should be noted that the motor and measurement airscrew thrust of control revolution speed of propeller of the present invention and torsion
The dynamometry day chessboard of square is all contained in the cabin of propeller system 24.
This measuring system can both measure the transversal cross-section flow field of propeller wake field, can also measure propeller wake field
Longitudinal cross-section flow field.This measuring system can carry out the screw current field measurement under different operating conditions simultaneously, including：Sail through to shape
Screw current field measurement and heave under conventional propeller wake flow field measurement, steering state when state under difference advanced coefficient
Screw current field measurement under motion state.When measuring propeller wake field transversal cross-section flow field, the polishing angle of laser 22
Degree should be parallel to propeller disk；When measuring propeller wake field longitudinal cross-section flow field, laser 22 should polishing to anti-
On light microscopic 11, the angle of reflective mirror 11 is adjusted, the difference for reflecting the laser light to propeller wake field using reflective mirror 11 is longitudinal to cut
Face position.The explanation of method is measured for measuring the propeller wake field under heave movement state below.Root first
According to the selected section for needing to measure of Test Cycle, the calibration of system is measured.Camera 21 and laser 22 are adjusted to suitable
Measurement position and measurement angle, open laser 22.The motor of starting control revolution speed of propeller, revolution speed of propeller is transferred to pre-
The heave movement rule of model to be measured is written by way of input motion equation encoder 4, starts stepper motor 3 by definite value,
Model to be measured is set to carry out heave movement according to certain rules.Start acting trailer system, and travelled by certain speed of a ship or plane, to trailer system
The system speed of a ship or plane is opened camera 21 after stablizing and is shot, and stops closing camera 21 to trailer, closes laser 22.Acting trailer system
Refund original place.New measurement section is selected according to new Test Cycle, while adjusting 22 corresponding angle of camera 21 and laser,
It repeats to test.
The technical solution adopted by the present invention to solve the technical problems is：Including cuboid sink, the sink is by light transmission
Property preferable organic glass be made, the top left and right sides is respectively arranged with guide rail, and acting trailer system, acting trailer system are housed on two side rails
Reach scheduled towed speed by controllable gear motor.A pair of of upper connecting rod has been respectively fixedly connected on the trailer of two sides,
The upper connecting rod top is fixedly connected with top cross bar, is connected with stepper motor on the top cross bar, fills on the stepper motor
There is encoder, the stepper motor bottom is connected with screw rod, and middle cross bar is housed on the screw rod, is equipped with spiral shell among wherein the middle cross bar
Pit and both ends are respectively equipped with the smooth circular hole across upper connecting rod, and middle cross bar can be on upper connecting rod without Frictional Slipping.Spiral
The encoder is written in the heave movement form of oar system by way of input motion equation, and the encoder controls the step
Into motor, the stepper motor passes through the speed of rotation for controlling the screw rod, the heave movement form of cross bar in realization.In described
Cross bar side is fixedly connected with connecting plate, and the connecting plate bottom is fixedly connected with connection sheet, and the connection sheet lower part is equipped with two
A slide bar is equipped with laser base on one of slide bar, is equipped with laser, the laser bottom on the laser base
Seat can rotate on slide bar, to realize different laser polishing angles；Camera pedestal, the phase are housed on another slide bar
Camera is installed, camera pedestal can rotate on slide bar, to realize different camera shooting angles on machine base.Wherein the middle cross
Bar lower part is fixedly connected there are two lower connecting rod, and the lower connecting rod bottom is fixedly connected with bottom cross bar, fills on the bottom cross bar
Angled instrument, the inclinometer top are equipped with stepper motor, encoder are housed on the stepper motor, is connected below the inclinometer
It is connected to propeller system, the propeller system includes propeller, cabin and bracket, and the inclinometer can be with real-time display simultaneously
Monitor the helm angle of propeller system.The steering forms of motion of the propeller system is write by way of input motion equation
Enter encoder, the encoder controls the stepper motor, to realize the steering campaign of propeller system.Described sink one end
It is fixed that equipped with fixed top plate, the fixed top plate lower part is connected with support rod, and the support rod lower end is fixed on the fixed base,
Reflective mirror is housed, the reflective mirror can be rotated around the support rod, cooperate the rotation of laser, to reflect on the support rod
The laser of different angle out realizes the measurement to different vertical section propeller wake fields.All surveys being connected with wherein the middle cross bar
Amount equipment can do heave movement with middle cross bar, and all measuring devices being directly or indirectly connected with trailer can be with trailer
System moves together, it should be noted that it is of the present invention control revolution speed of propeller motor and measurement airscrew thrust and
The force balance of torque is all contained in the cabin of propeller system.
The technical solution adopted by the present invention to solve the technical problems is：Include the following steps：
1, according to the selected section for needing to measure of Test Cycle, measures the calibration of system.
Camera and laser are adjusted to suitable measurement position and measurement angle by 2, open laser.
The motor of 3 starting control revolution speed of propeller, is transferred to predetermined value for revolution speed of propeller.
Encoder, starting stepping electricity is written in the heave movement rule of model to be measured by 4 by way of input motion equation
Machine makes model to be measured carry out heave movement according to certain rules.
5 starting acting trailer systems, and travelled by certain speed of a ship or plane, camera, which is opened, after stablizing to the acting trailer system speed of a ship or plane carries out
Shooting.
6 stop closing camera to trailer, close laser.
7 acting trailer systems refund original place, and new measurement section is selected according to new Test Cycle, while adjusting camera and swashing
Light device corresponding angle repeats to test.
Cuboid sink is made of the preferable organic glass of translucency.Sink one end is fixed equipped with fixed top plate, fixed top
Plate lower part is connected with support rod, and support rod lower end is fixed on the fixed base, reflective mirror is housed, reflective mirror can be around institute on support rod
Support rod rotation is stated, the rotation of laser is cooperated, to reflect the laser of different angle, is realized to different vertical section propellers
The measurement of tail flow field.Acting trailer system is located on the guide rail of the left and right sides, and acting trailer system reaches predetermined by controllable gear motor
Towed speed, all measuring devices being directly or indirectly connected with acting trailer system can move with acting trailer system.Trailer
A pair of of upper connecting rod is respectively fixedly connected in system, upper connecting rod top is fixedly connected with top cross bar, pushes up and is connected on cross bar
Stepper motor, encoder is equipped on stepper motor, and stepper motor bottom is connected with screw rod, middle cross bar, middle cross bar are housed on screw rod
Centre is equipped with threaded hole and both ends are respectively equipped with the smooth circular hole across upper connecting rod, and middle cross bar can be on upper connecting rod without friction
Sliding.The encoder, encoder control is written in the heave movement form of propeller system by way of input motion equation
The stepper motor, stepper motor by controlling the speed of rotation of the screw rod, thus in realizing cross bar heave movement form.
Middle cross bar side is fixedly connected with connecting plate, and connecting plate bottom is fixedly connected with connection sheet, and connection sheet lower part is filled there are two slide bar,
Laser base is housed on one of slide bar, laser is installed on laser base, laser base can turn on slide bar
It is dynamic, to realize different laser polishing angles；Camera pedestal is housed on another slide bar, phase is installed in camera pedestal
Machine, camera pedestal can rotate on slide bar, to realize different camera shooting angles.There are two middle cross bar lower part is fixedly connected
Lower connecting rod, lower connecting rod bottom are fixedly connected with bottom cross bar, and inclinometer is housed on the cross bar of bottom, stepping electricity is housed above inclinometer
Machine is equipped with encoder on stepper motor, is connected with propeller system below inclinometer, propeller system includes propeller, cabin
Body and bracket.Inclinometer with real-time display and can monitor the helm angle of propeller system.The steering campaign shape of propeller system
Encoder is written in formula by way of input motion equation, and encoder controls the stepper motor, to realize propeller system
Steering campaign.All measuring devices being connected with wherein the middle cross bar can do heave movement with middle cross bar.
Claims (5)
1. propeller wake field measuring system under a kind of multi-state, it is characterized in that：It is horizontal including sink, top cross bar, middle cross bar, bottom
The first guide rail is installed in bar, the first stepper motor, second stepper motor, the left side above sink, the right side installation second above slot
Guide rail installs the first trailer on the first guide rail, and the second trailer is installed on the second guide rail, fixes on first and connects above the first trailer
The second upper connecting rod is fixed in bar, the second trailer top, and top cross bar is fixed on the first upper connecting rod and the second upper connecting rod, and top is horizontal
First stepper motor is installed, the first stepping motor bottom connects lead screw, cross bar in setting below the cross bar of top, in the middle part of middle cross bar on bar
Threaded hole is set, and the both ends of middle cross bar are respectively provided with circular hole, and lead screw passes through threaded hole and closes with corresponding threaded holes, the first upper connecting rod
The circular hole at middle cross bar both ends is each passed through with the second upper connecting rod, the side of middle cross bar is fixed with connecting plate, and connecting plate bottom is solid
Surely there is connection sheet, the first slide bar, the second slide bar are installed in connection sheet lower part respectively, and the first slide bar installs laser by laser base
Device, the second slide bar install camera by camera pedestal, and middle cross bar lower part is fixedly connected with the first lower connecting rod and the second lower connection
The bottom of bar, the first lower connecting rod and the second lower connecting rod is fixedly connected with bottom cross bar, setting angle instrument on the cross bar of bottom, on inclinometer
Side's installation second stepper motor, inclinometer lower section connect propeller system, and sink side is fixed with fixed top plate, fix under top plate
Portion is connected with support rod, and support rod lower end is fixed on the fixed base, and reflective mirror is housed on support rod.
2. propeller wake field measuring system under a kind of multi-state according to claim 1, it is characterized in that：Laser base
It can be rotated on the first slide bar, camera pedestal can rotate on the second slide bar.
3. propeller wake field measuring system under a kind of multi-state according to claim 1 or 2, it is characterized in that：Reflective mirror
The rotation of laser can be cooperated to rotate around support rod.
4. propeller wake field measuring system under a kind of multi-state according to claim 1 or 2, it is characterized in that：Work as measurement
When propeller wake field transversal cross-section flow field, the polishing angle parallel of laser is in propeller disk；When measurement screw current
When the longitudinal cross-section flow field of field, in laser polishing to reflective mirror, the angle of reflective mirror is adjusted, is reflected the laser light to using reflective mirror
The different longitudinal cross-section positions of propeller wake field.
5. propeller wake field measuring system under a kind of multi-state according to claim 3, it is characterized in that：When measurement spiral
When paddle tail flow field transversal cross-section flow field, the polishing angle parallel of laser is in propeller disk；When measurement propeller wake field is vertical
When to section flow field, in laser polishing to reflective mirror, the angle of reflective mirror is adjusted, reflects the laser light to spiral using reflective mirror
The different longitudinal cross-section positions of paddle tail flow field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810188710.XA CN108918080B (en) | 2018-03-08 | 2018-03-08 | Propeller wake field measurement system under multiplex condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810188710.XA CN108918080B (en) | 2018-03-08 | 2018-03-08 | Propeller wake field measurement system under multiplex condition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108918080A true CN108918080A (en) | 2018-11-30 |
| CN108918080B CN108918080B (en) | 2020-05-15 |
Family
ID=64402934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810188710.XA Active CN108918080B (en) | 2018-03-08 | 2018-03-08 | Propeller wake field measurement system under multiplex condition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108918080B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109799019A (en) * | 2019-02-18 | 2019-05-24 | 哈尔滨工程大学 | A kind of off-axis formula of modularization changeable fluid is from the instrument that navigates |
| 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 |
| CN110118626A (en) * | 2019-05-14 | 2019-08-13 | 大连海事大学 | Bottom-sitting type turns round hydrodynamic measurement system and its measurement method |
| CN110702370A (en) * | 2019-09-10 | 2020-01-17 | 武汉大学 | Detachable towing tank test bed |
| CN110823507A (en) * | 2019-11-07 | 2020-02-21 | 哈尔滨工程大学 | Propeller dynamometer and air test platform for propeller ice in cutting state |
| CN112611541A (en) * | 2020-10-28 | 2021-04-06 | 南京航空航天大学 | Underwater navigation body propeller cavitation observation device |
| CN114397006A (en) * | 2022-02-15 | 2022-04-26 | 西南交通大学 | Propeller flow noise measurement system under oscillation and steering motion |
| CN114414205A (en) * | 2022-01-21 | 2022-04-29 | 中山大学 | Load and flow field integrated and measuring device |
| CN114705395A (en) * | 2022-06-08 | 2022-07-05 | 威海海洋职业学院 | Ship propulsion blade power testing device |
| CN114739628A (en) * | 2022-04-01 | 2022-07-12 | 西南交通大学 | Flow field measuring system |
| US11692908B2 (en) | 2020-07-30 | 2023-07-04 | Ge Energy Power Conversion Technology Limited | External loading test apparatus having a test subsystem for applying a force to simulate loading |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201680957U (en) * | 2010-05-19 | 2010-12-22 | 中国船舶重工集团公司第七〇二研究所 | Laggard PIV testing device of towing tank |
| CN203324298U (en) * | 2013-07-15 | 2013-12-04 | 中国船舶重工集团公司第七○二研究所 | Vehicle-following particle sowing device for PIV flow field measurement |
| KR101453212B1 (en) * | 2013-10-15 | 2014-10-23 | 한국해양과학기술원 | Apparatus for Measuring Propeller Wake in Towing Tank |
| CN104215426A (en) * | 2014-09-22 | 2014-12-17 | 中国船舶工业集团公司第七〇八研究所 | Measuring device and measuring method of internal flow field and external characteristic of water-jet propeller |
| CN107290130A (en) * | 2017-06-23 | 2017-10-24 | 吉林大学 | A kind of propeller blade External airflow field particle image velocimetry experimental rig |
| CN107389973A (en) * | 2017-08-22 | 2017-11-24 | 哈尔滨工程大学 | A kind of underwater PIV measuring tables for obtaining catheter propeller interior flow field |
-
2018
- 2018-03-08 CN CN201810188710.XA patent/CN108918080B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201680957U (en) * | 2010-05-19 | 2010-12-22 | 中国船舶重工集团公司第七〇二研究所 | Laggard PIV testing device of towing tank |
| CN203324298U (en) * | 2013-07-15 | 2013-12-04 | 中国船舶重工集团公司第七○二研究所 | Vehicle-following particle sowing device for PIV flow field measurement |
| KR101453212B1 (en) * | 2013-10-15 | 2014-10-23 | 한국해양과학기술원 | Apparatus for Measuring Propeller Wake in Towing Tank |
| CN104215426A (en) * | 2014-09-22 | 2014-12-17 | 中国船舶工业集团公司第七〇八研究所 | Measuring device and measuring method of internal flow field and external characteristic of water-jet propeller |
| CN107290130A (en) * | 2017-06-23 | 2017-10-24 | 吉林大学 | A kind of propeller blade External airflow field particle image velocimetry experimental rig |
| CN107389973A (en) * | 2017-08-22 | 2017-11-24 | 哈尔滨工程大学 | A kind of underwater PIV measuring tables for obtaining catheter propeller interior flow field |
Non-Patent Citations (3)
| Title |
|---|
| 吴铁成等: "基于水下ＳＰＩＶ的船体与推进器流场测量应用与研究", 《第十四届全国水动力学学术会议暨第二十八届全国水动力学研讨会文集》 * |
| 杨金超等: "螺旋桨梢部及尾部流场特性的细节研究", 《中国水运》 * |
| 王晓强等: "PIV技术在某驳船模型强迫横摇水动力测试中的应用", 《中国舰船研究》 * |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109799019A (en) * | 2019-02-18 | 2019-05-24 | 哈尔滨工程大学 | A kind of off-axis formula of modularization changeable fluid is from the instrument that navigates |
| 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 |
| CN110118626A (en) * | 2019-05-14 | 2019-08-13 | 大连海事大学 | Bottom-sitting type turns round hydrodynamic measurement system and its measurement method |
| CN110702370A (en) * | 2019-09-10 | 2020-01-17 | 武汉大学 | Detachable towing tank test bed |
| CN110823507A (en) * | 2019-11-07 | 2020-02-21 | 哈尔滨工程大学 | Propeller dynamometer and air test platform for propeller ice in cutting state |
| US11692908B2 (en) | 2020-07-30 | 2023-07-04 | Ge Energy Power Conversion Technology Limited | External loading test apparatus having a test subsystem for applying a force to simulate loading |
| CN112611541A (en) * | 2020-10-28 | 2021-04-06 | 南京航空航天大学 | Underwater navigation body propeller cavitation observation device |
| CN112611541B (en) * | 2020-10-28 | 2022-01-04 | 南京航空航天大学 | Underwater navigation body propeller cavitation observation device |
| CN114414205A (en) * | 2022-01-21 | 2022-04-29 | 中山大学 | Load and flow field integrated and measuring device |
| CN114397006A (en) * | 2022-02-15 | 2022-04-26 | 西南交通大学 | Propeller flow noise measurement system under oscillation and steering motion |
| CN114739628A (en) * | 2022-04-01 | 2022-07-12 | 西南交通大学 | Flow field measuring system |
| CN114705395A (en) * | 2022-06-08 | 2022-07-05 | 威海海洋职业学院 | Ship propulsion blade power testing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108918080B (en) | 2020-05-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108918080A (en) | Propeller wake field measuring system under a kind of multi-state | |
| CN107870079B (en) | Flow field survey system and measurement method under a kind of model pitching movement | |
| CN107097901B (en) | A kind of ice formation ship model experiment towing gear | |
| CN107022955B (en) | Apparent mass rotary electric magnetic damper vibration absorbing device for staying cables of bridge and design method | |
| CN105334019B (en) | Multi-angle object enters water and wave making exercise testing device | |
| CN107607292B (en) | A kind of high speed joining WTO effect experimental rig | |
| CN103837322B (en) | A kind of water surface flying device hydrodynamic performance test method | |
| CN206990215U (en) | Aircraft engine test stand frame | |
| CN203629784U (en) | Automatic foldable rudder unfolding apparatus | |
| CN105173127A (en) | Six-freedom-degree zero-gravity simulation system based on combination of hoisting and air-suspending | |
| CN204008060U (en) | Aircraft engine model wind tunnel test becomes attack angle mechanism | |
| CN112781501B (en) | Bridge displacement measuring device is used in traffic construction bridge construction | |
| CN102967429B (en) | Device for simulating bidirectional self-oscillation under mutual interference of two stand column models under uniform flow | |
| CN105151331A (en) | Zero gravity simulation system and using method thereof | |
| CN110836760A (en) | Ship attitude dynamic simulation system for wind tunnel test and working method thereof | |
| CN104019959A (en) | Variable attack angel apparatus for wind tunnel test of aircraft engine model | |
| CN110082064A (en) | Slide rail type propeller jet flow and shipping agency wave disturbance imitative experimental appliance and analogy method | |
| CN106005458A (en) | Self-stabilizing platform for high-attitude shooting of unmanned aerial vehicle | |
| CN104359658A (en) | Load test board with sail stress simulation function | |
| CN105258918A (en) | Underwater multi-wing linked mechanical tester | |
| Knapp et al. | The hydrodynamics laboratory of the California Institute of Technology | |
| CN206804273U (en) | Torque converter blades boundary layer flow measurement apparatus | |
| CN205120339U (en) | Mechanics of multiple wing linkage under water testing arrangement | |
| CN102980732A (en) | Testing apparatus of simulating lateral self-excited vibration of evenly flow-down deep-sea stand pipe | |
| CN2580558Y (en) | Music instrument frame with lift device |
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 |