CN107063194A - A kind of experimental provision for being used to observe vacuole growth - Google Patents
A kind of experimental provision for being used to observe vacuole growth Download PDFInfo
- Publication number
- CN107063194A CN107063194A CN201710259743.4A CN201710259743A CN107063194A CN 107063194 A CN107063194 A CN 107063194A CN 201710259743 A CN201710259743 A CN 201710259743A CN 107063194 A CN107063194 A CN 107063194A
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- Prior art keywords
- transparent vessel
- vacuole
- experimental provision
- observe
- ultrasonic transmitter
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
- G01C11/36—Videogrammetry, i.e. electronic processing of video signals from a single source or from different sources to give parallax or range information
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Signal Processing (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention discloses a kind of experimental provision for being used to observe vacuole growth, including test platform, the test platform is provided with ultrasonic transmitter, transparent vessel is placed with above the ultrasonic transmitter, the transparent vessel is located at the lubricating oil containing certain volume in the surface of ultrasonic transmitter emission port, transparent vessel；Also include the video camera that focal length is aligned on transparent vessel；Wherein, the transmission power of the ultrasonic transmitter is 30W, and launch time is 2~8min.Experimental provision of the present invention is simple in construction, it is big using lubricating oil viscosity, the characteristics of vacuole is grown up and rises slow, it more can accurately photograph the process of vacuole growth, while the frequency by adjusting ultrasonic transmitter, quantity to vacuole in container carries out active control, so as to further increase the observation degree of accuracy.
Description
Technical field
The present invention relates to a kind of experimental provision for being used to observe vacuole growth, belong to hydrodynamics technology field.
Background technology
So-called cavitation, when referring in liquid that local pressure is reduced, steam or gas on liquid internal or the solid interface of liquid
The formation in hole (vacuole), the phenomenon for developing and crumbling and fall.The flowing of modern project technology cavitation frequently occurs in advanced equipments of high grade and precision
Micro-flow path in because the generation of cavitation phenomenon, the stability and reliability of the work of original pure liquid lubrication equipment can all be sent out
Changing.Especially in rotating machinery, the bearing capacity of sliding bearing and the characteristic of lubricating oil are closely bound up.To in order to deeply grind
The mechanism and process of cavitation are studied carefully, except theory analysis, in addition it is also necessary to by visualizing means, observe the developmental process of cavitation, with
Just theoretical research is modified and instructed.The visualization of current vacuole is carried out primarily directed to the flowing of liquid water in blank pipe,
Because the viscosity of water is low and vacuolization speed fast, observation error is larger.In traditional observation process, to expect that vacuole is needed
Runner is depressurized, heated or is arranged, while in order to observe accurate phenomenon, the performance to high-speed motion picture camera has
High requirement, experimental provision is complicated, cost is higher.Present invention rely on the fact that, obtain it is a kind of can be used for observation vacuole into
The experimental provision of growth process.
The content of the invention
Goal of the invention：The technical problems to be solved by the invention are to provide a kind of reality that can be used for observing vacuole developmental process
Experiment device, the device using supersonic cavity principle and shooting collection it is hollow to lubricating oil soak growth process carry out visualization grind
Study carefully.
In order to solve the above technical problems, the technical solution adopted in the present invention is：
A kind of experimental provision for being used to observe vacuole growth, including test platform, the test platform are provided with ultrasonic wave
Transparent vessel is placed with above transmitter, the ultrasonic transmitter, the transparent vessel is launched positioned at ultrasonic transmitter
Lubricating oil containing certain volume in the surface of mouth, transparent vessel；Also include the video camera that focal length is aligned on transparent vessel；
Wherein, the transmission power of the ultrasonic transmitter is 30W, and launch time is 2~8min；Lubricating oil corresponds to dynamic viscosity
10cP~60cP, can observe more careful in such range of viscosities.
Wherein, lubricating oil is No. 32 steam turbine oils.
Wherein, the cuboid of transparent vessel both ends open above and below.
Wherein, the transparent vessel is perspex transparent container.
Wherein, the volume of lubricating oil is the 1/5~1/3 of transparent vessel volume in the transparent vessel.
Wherein, the transmission power of the ultrasonic transmitter is 100W, and launch time is 2~8min.
Wherein, the transmission power of the ultrasonic transmitter is 300W, and launch time is 2~8min.
Compared with prior art, technical solution of the present invention have the advantage that for：
Experimental provision of the present invention is simple in construction, big using lubricating oil viscosity, the characteristics of vacuole is grown up and rises slow, Neng Gougeng
Accurately to photograph the process of vacuole growth, while the frequency by adjusting ultrasonic transmitter, to the number of vacuole in container
Amount carries out active control, so that the observation degree of accuracy is further increased, reduction observation cost, and and then can preferably study bubble
Law of development, improves Bubble dynamics theoretical.
Brief description of the drawings
Fig. 1 is used for the systematic schematic diagram for observing vacuole growth experimental provision for the present invention；
Fig. 2 is used for the flow chart for observing vacuole growth experimental provision for the present invention.
Embodiment
Technical scheme is described further below in conjunction with accompanying drawing, but the scope of protection of present invention is simultaneously
It is not limited to this.
As shown in Fig. 1~2, the present invention is used for the experimental provision for observing vacuole growth, including test platform 1, test platform 1
Ultrasonic transmitter 2 is provided with, the top of ultrasonic transmitter 2 is placed with transparent vessel 3, and transparent vessel 3 is that lucite is saturating
Bright container, transparent vessel 3 in up and down both ends open cuboid, transparent vessel 3 be located at the emission port of ultrasonic transmitter 2 just on
Side；The volume of lubricating oil 4 is the volume of transparent vessel 3 in lubricating oil 4 containing certain volume in transparent vessel 3, transparent vessel 3
1/5~1/3；The experimental provision that the present invention is used to observe vacuole growth also includes the video camera that focal length is aligned on transparent vessel 3
5, video camera 5 is placed on the tripod 6 on the side of test platform 1.
Ultrasonic transmitter 2 is opened, its power is adjusted to 30W, now supersonic generator 2 is opened i.e. it can be seen that bubble
Produce, first launch time will be set as 2min, by naked eyes it can be seen that bubble growth and polymerization process, bubble growth and
In uphill process, there are multiple minute bubbles and be polymerized to an air pocket process, and when bubble reaches the wall of transparent vessel 3 and lubrication
It during oily 4 liquid level, will not immediately rupture, but first adhere to and free, then rupture, whole process naked eyes are high-visible；Ultrasonic wave
Transmitter 2 continues to launch bubble, opens the video camera 5 focused on transparent vessel 3 and is shot, by ultrasonic transmitter 2
The transmitting working time is set as 8min, records the change of bubble in transparent vessel 3 during this；The gas that video camera 6 is photographed
Bubble figure is analyzed with image analysis software.
The transmission power of ultrasonic transmitter 2 is adjusted to 100W, first launch time will be set as 2min, is seen by naked eyes
Growth and the polymerization process of bubble are examined, the video camera 6 focused on transparent vessel 3 is then opened again and is shot, now will be super
The transmitting working time of pinger 2 is set as 8min, records the change of bubble in transparent vessel 3 during this；Will shooting
The bubble figure that machine 6 is photographed is analyzed with image analysis software.
The transmission power of ultrasonic transmitter 2 is adjusted to 300W, first launch time will be set as 2min, is seen by naked eyes
Growth and the polymerization process of bubble are examined, the video camera 6 focused on transparent vessel 3 is then opened again and is shot, now will be super
The transmitting working time of pinger 2 is set as 8min, records the change of bubble in transparent vessel 3 during this；Will shooting
The bubble figure that machine 6 is photographed is analyzed with image analysis software.
When the transmission power of ultrasonic transmitter 2 is 100W and 300W, it can be seen that transmission power is bigger, produce same
It is shorter the time required to the bubble of one order of magnitude.
Experimental provision of the present invention is much bigger using the ratio of viscosities water of lubricating oil 4, and the formation speed of its vacuole is slow, therefore visual
During change, the developmental process of bubble can be preferably observed；By adjust ultrasonic transmitter 2 can tranmitting frequency and hair
Penetrate the working time, thus it is possible to vary speed and quantity that vacuole is produced, the speed and quantity one for changing vacuole generation can bases
Different cameras produces speed from optimal vacuole, and vacuole generation is too fast to be unfavorable for record, and vacuole was produced slowly, the same time
The data of interior record are less to be unfavorable for analysis；Two can probe into quantitative effect of the ultrasonic wave to lubricating oil cavitation effect；May be used also
With by different vacuole generation rates, the vacuole behavior under comparative analysis difference vacuole quantity.
Obviously, above-described embodiment is only intended to clearly illustrate example of the present invention, and is not to the present invention
The restriction of embodiment.For those of ordinary skill in the field, it can also be made on the basis of the above description
Its various forms of changes or variation.There is no necessity and possibility to exhaust all the enbodiments.And these belong to this hair
Among the obvious changes or variations that bright spirit is extended out is still in protection scope of the present invention.
Claims (6)
1. a kind of experimental provision for being used to observe vacuole growth, it is characterised in that：Including test platform, set on the test platform
Have and transparent vessel is placed with above ultrasonic transmitter, the ultrasonic transmitter, the transparent vessel is sent out positioned at ultrasonic wave
Lubricating oil containing certain volume in the surface of emitter emission port, transparent vessel；Also it is aligned in including focal length on transparent vessel
Video camera；Wherein, the transmission power of the ultrasonic transmitter is 30W, and launch time is 2~8min；Lubricating oil pair used
It is 10cP~60cP to answer dynamic viscosity.
2. the experimental provision according to claim 1 for being used to observe vacuole growth, it is characterised in that：The transparent vessel is in
The cuboid of upper and lower ends opening.
3. the experimental provision according to claim 1 for being used to observe vacuole growth, it is characterised in that：The transparent vessel is
Perspex transparent container.
4. the experimental provision according to claim 1 for being used to observe vacuole growth, it is characterised in that：In the transparent vessel
The volume of lubricating oil is the 1/5~1/3 of transparent vessel volume.
5. the experimental provision according to claim 1 for being used to observe vacuole growth, it is characterised in that：The ultrasonic wave transmitting
The transmission power of device is 100W, and launch time is 2~8min.
6. the experimental provision according to claim 1 for being used to observe vacuole growth, it is characterised in that：The ultrasonic wave transmitting
The transmission power of device is 300W, and launch time is 2~8min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710259743.4A CN107063194A (en) | 2017-04-20 | 2017-04-20 | A kind of experimental provision for being used to observe vacuole growth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710259743.4A CN107063194A (en) | 2017-04-20 | 2017-04-20 | A kind of experimental provision for being used to observe vacuole growth |
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| Publication Number | Publication Date |
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| CN107063194A true CN107063194A (en) | 2017-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710259743.4A Pending CN107063194A (en) | 2017-04-20 | 2017-04-20 | A kind of experimental provision for being used to observe vacuole growth |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107782663A (en) * | 2017-11-27 | 2018-03-09 | 清华大学 | Facilitate easy-to-use controllable vacuole visual experimental apparatus and experimental method |
| CN108387363A (en) * | 2018-03-08 | 2018-08-10 | 重庆交大国科航科技有限公司 | A kind of water cavity pilot system |
Citations (5)
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| JP2007047056A (en) * | 2005-08-11 | 2007-02-22 | Nakamichi Tekko Kk | Ultrasonic leakage position detection device |
| CN102230898A (en) * | 2011-04-08 | 2011-11-02 | 河海大学常州校区 | Device and method for measuring ultrasonic cavitation effect based on image processing |
| US20130090579A1 (en) * | 2011-10-10 | 2013-04-11 | Charles A. Cain | Pulsed Cavitational Therapeutic Ultrasound With Dithering |
| CN105222833A (en) * | 2015-10-26 | 2016-01-06 | 上海理工大学 | The measuring method of Air Bubble Size, number and movement velocity in biphase gas and liquid flow |
| CN105334261A (en) * | 2014-07-11 | 2016-02-17 | 重庆海扶医疗科技股份有限公司 | Liquid oxygen content detection system and method |
-
2017
- 2017-04-20 CN CN201710259743.4A patent/CN107063194A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007047056A (en) * | 2005-08-11 | 2007-02-22 | Nakamichi Tekko Kk | Ultrasonic leakage position detection device |
| CN102230898A (en) * | 2011-04-08 | 2011-11-02 | 河海大学常州校区 | Device and method for measuring ultrasonic cavitation effect based on image processing |
| US20130090579A1 (en) * | 2011-10-10 | 2013-04-11 | Charles A. Cain | Pulsed Cavitational Therapeutic Ultrasound With Dithering |
| CN105334261A (en) * | 2014-07-11 | 2016-02-17 | 重庆海扶医疗科技股份有限公司 | Liquid oxygen content detection system and method |
| CN105222833A (en) * | 2015-10-26 | 2016-01-06 | 上海理工大学 | The measuring method of Air Bubble Size, number and movement velocity in biphase gas and liquid flow |
Non-Patent Citations (2)
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| 罗贤能: "《声空化气泡成长及破裂研究》", 《工程热物理学报》 * |
| 陈伟中: "《声空化泡动力学及其测量》", 《中国科学G辑：物理学、力学、天文学》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107782663A (en) * | 2017-11-27 | 2018-03-09 | 清华大学 | Facilitate easy-to-use controllable vacuole visual experimental apparatus and experimental method |
| CN108387363A (en) * | 2018-03-08 | 2018-08-10 | 重庆交大国科航科技有限公司 | A kind of water cavity pilot system |
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Application publication date: 20170818 |