CN110186644A - A kind of rotating cylindrical hydrodynamic experiment test device - Google Patents
A kind of rotating cylindrical hydrodynamic experiment test device Download PDFInfo
- Publication number
- CN110186644A CN110186644A CN201910446046.9A CN201910446046A CN110186644A CN 110186644 A CN110186644 A CN 110186644A CN 201910446046 A CN201910446046 A CN 201910446046A CN 110186644 A CN110186644 A CN 110186644A
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- rotating cylindrical
- sensor
- test device
- rotary shaft
- experiment test
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
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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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
A kind of rotating cylindrical hydrodynamic experiment test device, belongs to field of fluid mechanics.The side of square tube of the present invention is connect with L-type wave suppression plate, the lower section of square tube is successively connected with sensor, sensor connecting plate, motor support frame, two sensor levels are disposed vertically, servo motor is installed above motor support frame, bearing block is fixed with below motor support frame, and fixed straight line bearing in bearing block, the output shaft of servo motor are successively connected with shaft coupling, rotary shaft, rotary shaft pass through bearing block and with linear bearing smooth engagement.The present invention be capable of precise measurement rotating cylindrical resistance and lift when go through curve；The revolving speed of rotating cylindrical can automatically or manually be adjusted；By the connecting hole in rotary shaft, can replace different form according to experiment demand includes the rotating cylindrical for changing draw ratio, shape or surface roughness etc., to carry out a series of Experimental comparison's research；The interference that rotating cylindrical test can be generated to avoid water surface wave making.
Description
Technical field
The invention belongs to field of fluid mechanics, and in particular to a kind of rotating cylindrical hydrodynamic experiment test device.
Background technique
It is a very important research direction, the either liter of rotating cylindrical in hydrodynamics research that rotating cylindrical, which streams,
The change for form that power problem was still vortexed fall off and eddy frequency characteristic are all up for further studying.Rotating cylindrical generates
The principle of lift is Magnus effect: when rotational angular velocity vector and the object forward speed vector of a rotating object do not weigh
When conjunction, a transverse direction will be generated on the direction perpendicular with the plane of rotational angular velocity vector and translation velocity vector composition
The phenomenon that power, object advance track deflects under the action of this cross force.It is cylinder that periodically vortex, which falls off, in wake flow
The important feature streamed, the rotation of cylinder substantially change wake flow mesoscale eddies form, show flow field with stationary cylindrical obviously not
Same flow characteristics, therefore more there is realistic meaning in practice in research and engineering.The accurate water of rotating cylindrical in order to obtain
Power numerical value, invention rotating cylindrical hydrodynamic experiment test device.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of rotating cylindrical hydrodynamic experiment test devices.
To achieve the above object, a kind of rotating cylindrical hydrodynamic experiment test device, the side of square tube 4 and L-type wave suppression plate 3
Connection, the lower section of square tube 4 successively with first sensor connecting plate 5, the first tension sensor 8, second sensor connecting plate 6, the
Two tension sensors 9,3rd sensor connecting plate 7, motor support frame 2 are connected, the first tension sensor 8 and the second pull sensing
9 horizontal vertical of device is placed, and is equipped with servo motor 1 above motor support frame 2, the motor support with 1 corresponding position of servo motor
A bearing block 12, and fixed straight line bearing 13 in bearing block 12 are fixed by two bolts 10 below frame 2, servo motor 1
Output shaft is successively connected with shaft coupling 11, rotary shaft 14, rotary shaft 14 pass through bearing block 12 and with 13 smooth engagement of linear bearing.
The L-type wave suppression plate 3 is fixed in square tube 4, and is only contacted with square tube 4.
14 lower end of rotary shaft opens up connecting hole 15, is connected with various forms of rotating cylindricals.
First tension sensor 8, the second tension sensor 9 are S type structure, the first sensor connecting plate 5,
Second sensor connecting plate 6,3rd sensor connecting plate 7 are provided with a small stair in corner, only pass with the first pulling force
Sensor 8 or the contact of the end surface of the second tension sensor 9.
The revolving speed of the rotary shaft 14 is adjusted by servo motor 1 and its revolution speed control system automatic or manual.
The L-type wave suppression plate 3 is located at the water surface.
The beneficial effects of the present invention are:
A kind of rotating cylindrical hydrodynamic experiment test device provided by the invention, is capable of the resistance of precise measurement rotating cylindrical
With lift when go through curve, the hydrodynamic performance of rotating cylindrical is analyzed；It can by servo motor and revolution speed control system
Automatically or manually to adjust the revolving speed of rotating cylindrical according to certain regular such as SIN function；By in rotary shaft 14
Connecting hole 15, it includes changing the rotation of draw ratio, shape or surface roughness etc. that different form can be replaced according to experiment demand
Cylinder, to carry out a series of Experimental comparison's research；L-type wave suppression plate is located at the water surface, can be to avoid water surface wave making to rotational circle
The interference that column test generates.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is front view of the invention.
Fig. 3 is top view of the invention.
Fig. 4 is side view of the invention.
Fig. 5 is the detail view of second sensor connecting plate of the present invention.
Fig. 6 is the detail view of first sensor connecting plate of the present invention, 3rd sensor connecting plate.
Fig. 7 is the first tension sensor, the detail view of the second tension sensor.
Specific embodiment:
The present invention will be further described with reference to the accompanying drawing:
Embodiment 1
The present invention relates to rotating cylindrical hydrodynamic experiment test devices.It is specifically a kind of to be suitable for circulating water chennel
Or the rotating cylindrical hydrodynamic experiment test device of towing basin.The purpose of the present invention is to provide one kind to be readily produced manufacture,
Using with it is easy to operate, be capable of the device of precise measurement rotating cylindrical hydrodynamic performance.
The invention patent uses following technical proposal:
Rotating cylindrical hydrodynamic experiment test device, including tension sensor (8,9), sensor connecting plate (5,6,7), L
The main components such as type wave suppression plate (3), servo motor (1) and revolution speed control system.Wherein, tension sensor includes measurement incoming flow
The tension sensor I (8) of direction resistance and measurement can be surveyed accurately perpendicular to the tension sensor II (9) of direction of flow lift
Measure rotating cylindrical resistance and lift when go through curve, the hydrodynamic performance of rotating cylindrical is analyzed.Pass through servo motor
Turning for rotating cylindrical can be automatically or manually adjusted according to certain rule (such as SIN function) with revolution speed control system
Speed.By the connecting hole (15) on rotary shaft (14), can according to experiment demand replacement different form (including change draw ratio,
Shape or surface roughness etc.) rotating cylindrical, to carry out a series of Experimental comparison's research.L-type wave suppression plate is located at the water surface,
The interference that rotating cylindrical test can be generated to avoid water surface wave making.
Referring to Fig.1,2,3,4, whole device can be fixed on the wall surface of circulating water chennel by square tube (4) (or towing water
On the trailer in pond).L-type wave suppression plate (3) is fixed in square tube, and is only contacted with square tube, equal wide-bore at other positions.Under square tube
End successively with sensor connecting plate A (5), tension sensor I (8), sensor connecting plate B (6), tension sensor II (9), sensing
Device connecting plate C (7) is connected with motor support frame (2).The connected servo motor (1) of the other end of motor support frame, and pass through
Two bolts (10) fix a bearing block (12).The output shaft of servo motor passes through shaft coupling (11) phase with rotary shaft (14)
Even.A linear bearing (13), rotary shaft (14) and linear bearing (13) smooth engagement are fixed in bearing block (12).Rotary shaft
(14) lower end opens up connecting hole (15), the rotational circle with different form (including changing draw ratio, shape or surface roughness etc.)
Column is connected.
Referring to Fig. 5,6,7, since tension sensor is S type structure, by strain measurement pulling force, therefore three sensors connect
Fishplate bar is provided with a small stair in corner, only contacts with the end surface of tension sensor, to prevent from generating dynamometry
Interference.
Embodiment 2
The present invention is to provide rotating cylindrical hydrodynamic experiment test device, including tension sensor, sensor connecting plate,
The main components such as L-type wave suppression plate, servo motor and revolution speed control system.Pass through the tension sensor of two vertical direction, energy
The resistances of enough precise measurement rotating cylindricals and lift when go through curve, the hydrodynamic performance of rotating cylindrical is analyzed.Pass through
Servo motor and revolution speed control system can automatically or manually adjust rotation according to certain rule (such as SIN function)
The revolving speed of cylinder.L-type wave suppression plate is located at the water surface, the interference that can be generated to avoid water surface wave making to rotating cylindrical test.Pass through
Connecting hole in rotary shaft (including can change draw ratio, shape or surface roughness according to experiment demand replacement different form
Deng) rotating cylindrical, to carry out a series of Experimental comparison's research.The configuration of the present invention is simple, it is easy to manufacture and convenient for peace
Dress, can be applied in circulating water chennel or towing basin, carry out rotating cylindrical hydrodynamic experiment.
Rotating cylindrical hydrodynamic experiment test device, including tension sensor, sensor connecting plate, L-type wave suppression plate, servo
The main components such as motor and revolution speed control system.
By the tension sensor of two vertical direction, be capable of precise measurement rotating cylindrical resistance and lift when go through song
Line analyzes the hydrodynamic performance of rotating cylindrical.
By the connecting hole in rotary shaft, draw ratio, shape (including can be changed according to experiment demand replacement different form
Or surface roughness etc.) rotating cylindrical, to carry out a series of Experimental comparison's research.
It can be according to certain rule (such as SIN function) Lai Zidong or hand by servo motor and revolution speed control system
The revolving speed of rotating cylindrical is adjusted dynamicly.
Present invention could apply to carry out rotating cylindrical hydrodynamic experiment in circulating water chennel or towing basin.
L-type wave suppression plate is located at the water surface, the interference that can be generated to avoid water surface wave making to rotating cylindrical test.
Three sensor connecting plates are provided with a small stair in corner, only connect with the end surface of tension sensor
Touching, to prevent from generating interference to dynamometry.
Claims (6)
1. a kind of rotating cylindrical hydrodynamic experiment test device, it is characterised in that: the side and L-type wave suppression plate (3) of square tube (4) are even
Connect, the lower section of square tube (4) successively with first sensor connecting plate (5), the first tension sensor (8), second sensor connecting plate
(6), the second tension sensor (9), 3rd sensor connecting plate (7), motor support frame (2) are connected, the first tension sensor (8)
It is placed with the second tension sensor (9) horizontal vertical, servo motor (1) is installed above motor support frame (2), with servo motor
(1) bearing block (12), and bearing block (12) are fixed by two bolts (10) below the motor support frame (2) of corresponding position
Interior fixed straight line bearing (13), the output shaft of servo motor (1) are successively connected with shaft coupling (11), rotary shaft (14), rotary shaft
(14) pass through bearing block (12) and with linear bearing (13) smooth engagement.
2. a kind of rotating cylindrical hydrodynamic experiment test device according to claim 1, it is characterised in that: the L-type pressure
Wave plate (3) is fixed on square tube (4), and is only contacted with square tube (4).
3. a kind of rotating cylindrical hydrodynamic experiment test device according to claim 1, it is characterised in that: the rotary shaft
(14) lower end opens up connecting hole (15), is connected with various forms of rotating cylindricals.
4. a kind of rotating cylindrical hydrodynamic experiment test device according to claim 1, it is characterised in that: described first draws
Force snesor (8), the second tension sensor (9) are S type structure, and the first sensor connecting plate (5), second sensor connect
Fishplate bar (6), 3rd sensor connecting plate (7) are provided with a small stair in corner, only with the first tension sensor (8) or
The end surface of second tension sensor (9) contacts.
5. a kind of rotating cylindrical hydrodynamic experiment test device according to claim 1, it is characterised in that: the rotary shaft
(14) revolving speed is adjusted by servo motor (1) and its revolution speed control system automatic or manual.
6. a kind of rotating cylindrical hydrodynamic experiment test device according to claim 1, it is characterised in that: the L-type pressure
Wave plate (3) is located at the water surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910446046.9A CN110186644B (en) | 2019-05-27 | 2019-05-27 | Rotating cylinder hydrodynamic experiment testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910446046.9A CN110186644B (en) | 2019-05-27 | 2019-05-27 | Rotating cylinder hydrodynamic experiment testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110186644A true CN110186644A (en) | 2019-08-30 |
| CN110186644B CN110186644B (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910446046.9A Active CN110186644B (en) | 2019-05-27 | 2019-05-27 | Rotating cylinder hydrodynamic experiment testing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113670573A (en) * | 2021-09-03 | 2021-11-19 | 哈尔滨工程大学 | Wind-force boosting rotor aerodynamic characteristic experimental apparatus |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62215839A (en) * | 1986-03-18 | 1987-09-22 | Mitsui Eng & Shipbuild Co Ltd | Experimental water tank |
| JP2009264772A (en) * | 2008-04-22 | 2009-11-12 | Nikon Corp | Flow evaluation apparatus and flow evaluation method |
| CN102279085A (en) * | 2011-05-31 | 2011-12-14 | 上海交通大学 | Simulation test device for vortex-induced vibration of deep-sea vertical pipe array model under conditions of uniform defluxion and pretension |
| CN204855129U (en) * | 2015-05-28 | 2015-12-09 | 浙江海洋学院 | Six -component balance measures cylinder and streams hydrodynamic force experimental frame |
| CN105509996A (en) * | 2015-12-29 | 2016-04-20 | 西南石油大学 | Device and method for measuring resistance coefficient and lift coefficient of flow around marine riser |
-
2019
- 2019-05-27 CN CN201910446046.9A patent/CN110186644B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62215839A (en) * | 1986-03-18 | 1987-09-22 | Mitsui Eng & Shipbuild Co Ltd | Experimental water tank |
| JP2009264772A (en) * | 2008-04-22 | 2009-11-12 | Nikon Corp | Flow evaluation apparatus and flow evaluation method |
| CN102279085A (en) * | 2011-05-31 | 2011-12-14 | 上海交通大学 | Simulation test device for vortex-induced vibration of deep-sea vertical pipe array model under conditions of uniform defluxion and pretension |
| CN204855129U (en) * | 2015-05-28 | 2015-12-09 | 浙江海洋学院 | Six -component balance measures cylinder and streams hydrodynamic force experimental frame |
| CN105509996A (en) * | 2015-12-29 | 2016-04-20 | 西南石油大学 | Device and method for measuring resistance coefficient and lift coefficient of flow around marine riser |
Non-Patent Citations (1)
| Title |
|---|
| 张宾等: "旋转圆柱绕流的动力模态分析", 《河北工业大学学报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113670573A (en) * | 2021-09-03 | 2021-11-19 | 哈尔滨工程大学 | Wind-force boosting rotor aerodynamic characteristic experimental apparatus |
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| Publication number | Publication date |
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| CN110186644B (en) | 2021-03-30 |
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