CN207248765U - The experimental provision of non-smooth wall liquid film feature measurement - Google Patents
The experimental provision of non-smooth wall liquid film feature measurement Download PDFInfo
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- CN207248765U CN207248765U CN201720873026.6U CN201720873026U CN207248765U CN 207248765 U CN207248765 U CN 207248765U CN 201720873026 U CN201720873026 U CN 201720873026U CN 207248765 U CN207248765 U CN 207248765U
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- liquid film
- smooth wall
- experimental provision
- insulating box
- wall
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Abstract
The utility model discloses a kind of experimental provision of non-smooth wall liquid film feature measurement, the experimental provision is made of working substance supply system, device for generating liquid membrane, heating system, non-smooth wall tilt adjustment system, data acquisition and processing system, the suction that working medium passes through low noise circulating pump, constrain water tank is entered by filter again, stable, uniform liquid film will be formed on non-smooth wall by the effect of constrain water tank；Experiment body bottom is provided with insulating box, temperature control device control box house constant temperature, realizes the heating to wall bottom with this, heat is conducted to liquid film via wall again；Stroboscope is engaged with CCD camera, can measure the different parameters of liquid film, realizes the contactless observation to liquid film, and experimental result reliability is high；Non- smooth wall tilt adjustment system can adjust the angle of experiment body, measure the liquid film characteristic under different angle.
Description
Technical field
A kind of film thickness measurement device is the utility model is related to, particularly measures the experimental provision of wavy surface liquid film characteristic.
Background technology
At present, the method by the non-smooth wall liquid falling film characteristic of experimental study is very much, such as the method using conductance
Flow fluid film thickness is measured, using the characteristic of capacitance observation liquid film：Isolated wave velocity, frequency etc., but these experimental facilities exist
Interference can be produced to the regional area of liquid film, influence the precision of measurement result in measurement process.Influence flowing liquid membrane characteristic because
Plain very much, wherein influence of the temperature of the angle of inclination of wall and experimental section wall to liquid film characteristic is very big, is that can not ignore
Research direction.At present, also seldom to the experimental study of both conditions, only experimental study can not embody flowing comprehensively
The characteristic of liquid film.
Utility model content
In order to carry out experimental study to non-smooth wall liquid film characteristic, the utility model provides a kind of non-smooth wall liquid
The experimental provision of membrane property measurement, the non-smooth wall in the experimental provision can realize Inclination maneuver and heating.
A kind of experimental provision of non-smooth wall liquid film feature measurement provided by the utility model includes：Working substance supply system
System, device for generating liquid membrane, heating system, non-smooth wall tilt adjustment system, data acquisition and processing system.The working medium supplies
It is connected to the collection water tank in system with low noise circulating pump, the entry and exit of low noise circulating pump are connected using rubber tubing,
And filter both ends connect low noise circulating pump and constrain water tank respectively；The device for generating liquid membrane by experiment body entrance, every
Plate, narrow slit plug, non-smooth wall, experiment body export mixes, one cavity of experiment body entrance unicom, be disposed with cavity every
Plate, the cavity other end are narrow slit plug, and the outlet of narrow slit plug is directly connected to one section of non-smooth wall, and non-smooth wall afterbody is to test
Body exports；The heating system scribbles the closed box of resistive film for a bottom surface, and resistive film passes through conductor wire and intelligent temperature control
Device connects, and temperature element is carried on the conducting wire drawn on intelligent temperature controller, and the temperature of insulating box is switched by insulating box to be controlled；It is described
In non-smooth wall tilt adjustment system, the inclination angle of non-smooth wall is adjusted by push-pull rod, and the inclination angle number of degrees are by universal protractor
Measurement, push-pull rod and universal protractor are fixed on the riser of supporting table；Stroboscope is fixed on a certain distance from non-smooth side surface side
Place, CCD camera is fixed at a certain distance from wall opposite side, the two is connected with computer processing system, stroboscope with
CCD camera realizes synchronous triggering by synchronizer trigger, and then CCD camera shooting liquid film picture reaches data processor.
In the experimental provision of above-mentioned non-smooth wall liquid film feature measurement, non-smooth wall is groove structure, and wall
Material transparent, the light penetration that can send stroboscope.
The beneficial effects of the utility model are embodied in：Non- smooth wall tilt adjustment system can be realized to different angle
The measurement of thin film drainage characteristic on wall；When non-smooth wall is transparent material, stroboscope can just be collected with CCD camera
Experimental result, so non-smooth wall surface cannot add heating unit, and the utility model is used and controlled by intelligent temperature controller
Insulating box, exchange heat mode by air in heater box, then by hot-air to realize the mesh of wall heating to non-smooth wall
's；Using low noise circulating pump, the influence to experiment equipment can be reduced.
Brief description of the drawings
Fig. 1 is a kind of experimental provision schematic diagram of non-smooth wall liquid film feature measurement.
Fig. 2 is a kind of experiment body schematic diagram equipped with thermostat.
Fig. 3 is non-smooth side surface side face partial enlarged view.
1. collection water tank in figure, 2. low noise circulating pumps, 3. filters, 4. constrain water tanks, 5. experiment bodies, 6. graduated cylinders,
7. insulating box, 8. push-pull rods, 9. supporting tables, 10. risers, 11. universal protractors, 12.CCD cameras, 13. stroboscopes, 14. is same
Walk trigger, 15. data processors, 16. experiment body entrances, 17. partition plates, 18. narrow slit plugs, 19. liquid films, 20. non-flat walls
Face, the outlet of 21. experiment bodies, 22. resistive films, 23. insulating boxs switch, 24. conducting wires, 25. temperature elements, 26. conductor wires, 27.
Intelligent temperature controller, 28. power cords.
Embodiment
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of experimental provision of non-smooth wall liquid film feature measurement, in the experimental provision
Collect water tank 1 to be connected with low noise circulating pump 2, the entry and exit of low noise circulating pump 2 are connected using rubber tubing, working medium quilt
Low noise circulating pump 2 is extracted out from collection water tank 1, and is sent by filter 3 to constrain water tank 4, after constrain 4 voltage stabilizing of water tank
Working medium flow into experiment body 5 from narrow slit, fluid forms liquid film 19 in the experiment body 5, and by stroboscope 13 and CCD camera
12 gathered datas pass to data processor 15, and then liquid film 19 flows into graduated cylinder 6 from experiment body outlet 21, is finally discharged into collection water
Case 1.Experiment body 5 is installed on 7 top of insulating box, and 7 inner bottom surface of insulating box scribbles resistive film 22, and resistive film 22 passes through conductor wire
26 are connected with intelligent temperature controller 27, and temperature element 25, the temperature of insulating box 7 are carried on the conducting wire 24 drawn on intelligent temperature controller 27
By 23 control of insulating box switch.After power cord 28 powers on, the heat that resistive film 22 produces will pass to insulating box 7
Internal air, under the control of intelligent temperature controller 27, temperature remains in the maintenance level of demand in insulating box 7, non-flat
Under heating of the whole wall 20 by insulating box 7, heat can be conducted to liquid film 19, so as to observe heating wall to 19 characteristic of liquid film
Influence.Experiment body 5 is fixed on riser 10 by one end of insulating box 7, and insulating box 7 can be rotated around fixing point, fixed
Universal protractor 11 is installed at point.The inclination angle of non-smooth wall 20 is adjusted by push-pull rod 8 in experiment body 5, the inclination angle number of degrees
Measured by universal protractor 11, push-pull rod 8 and universal protractor 11 are fixed on the riser 10 of supporting table 9.Stroboscope 13 is fixed
At a certain distance from non-smooth 20 side of wall, CCD camera 12 is fixed at a certain distance from wall opposite side, the two with
Data processor 15 is connected.Stroboscope 13 sends subregion of the light projection of certain frequency on non-smooth wall 20, light
Line penetrates liquid film 19 and non-smooth wall 20, and stroboscope 13 realizes synchronous triggering with CCD camera 12 by synchronizer trigger 14,
Then 19 picture of liquid film that CCD camera 12 photographs reaches data processor 15.
As shown in Fig. 2, in 19 generation device of liquid film, working medium enters from experiment body entrance 16, by the resistance of partition plate 17
Non- smooth wall 20 is flowed into by the narrow slit of 18 bottom of narrow slit plug after suppression, and liquid film 19, liquid film are formed on non-burnishing surface 20
19 finally from 21 outflow of experiment body outlet of non-smooth 20 afterbody of wall.
As shown in figure 3, in the experimental provision of non-smooth wall liquid film feature measurement, non-smooth wall 20 for groove structure and
Wall surface material is transparent, the light penetration that can send stroboscope 13.
Claims (4)
1. the experimental provision of non-smooth wall liquid film feature measurement, in the experimental provision working medium by low noise circulating pump (2) from receipts
Extraction is sent to constrain water tank (4) by filter (3) in header tank (1), and the working medium after constrain water tank (4) voltage stabilizing flows into experiment originally
Body (5), and liquid film (19) is formed on non-smooth wall (20), stroboscope (13) passes through synchronous triggering with CCD camera (12)
Device (14) realizes synchronous triggering, and then CCD camera (12) shooting liquid film picture reaches data processor (15), and liquid film (19) is most
After be discharged into and collect water tank (1), it is characterized in that experiment body (5) is installed on insulating box (7) top, the painting of insulating box (7) inner bottom surface
There is heating resistor film (22), experiment body (5) is fixed on riser (10) by one end of insulating box (7), and insulating box (7) can be around
Fixing point rotation, fixed point is provided with universal protractor (11).
2. the experimental provision of non-smooth wall liquid film feature measurement according to claim 1, it is characterized in that described is non-flat
Whole wall (20) is groove structure.
3. the experimental provision of non-smooth wall liquid film feature measurement according to claim 1, it is characterized in that resistive film (22)
It is connected by conductor wire (26) with intelligent temperature controller (27), the temperature element (25) on conducting wire (24) is installed in insulating box (7).
4. the experimental provision of non-smooth wall liquid film feature measurement according to claim 1, it is characterized in that experiment body (5)
The inclination angle of upper non-smooth wall (20) is adjusted by push-pull rod (8), and the inclination angle number of degrees are measured by universal protractor (11), push-pull rod
(8) it is fixed on universal protractor (11) on the riser (10) of supporting table (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720873026.6U CN207248765U (en) | 2017-07-18 | 2017-07-18 | The experimental provision of non-smooth wall liquid film feature measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720873026.6U CN207248765U (en) | 2017-07-18 | 2017-07-18 | The experimental provision of non-smooth wall liquid film feature measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207248765U true CN207248765U (en) | 2018-04-17 |
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ID=61878370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720873026.6U Expired - Fee Related CN207248765U (en) | 2017-07-18 | 2017-07-18 | The experimental provision of non-smooth wall liquid film feature measurement |
Country Status (1)
| Country | Link |
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| CN (1) | CN207248765U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112082904A (en) * | 2020-09-18 | 2020-12-15 | 安徽工业大学 | Oil gas trace lubricating oil film formation and flow experiment measuring device |
| CN114323659A (en) * | 2021-12-28 | 2022-04-12 | 上海交通大学 | Temperature-controllable wall-hitting liquid film measuring device with replaceable wall surface |
-
2017
- 2017-07-18 CN CN201720873026.6U patent/CN207248765U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112082904A (en) * | 2020-09-18 | 2020-12-15 | 安徽工业大学 | Oil gas trace lubricating oil film formation and flow experiment measuring device |
| CN114323659A (en) * | 2021-12-28 | 2022-04-12 | 上海交通大学 | Temperature-controllable wall-hitting liquid film measuring device with replaceable wall surface |
| CN114323659B (en) * | 2021-12-28 | 2023-01-06 | 上海交通大学 | Temperature-controllable wall-hitting liquid film measuring device with replaceable wall surface |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180417 Termination date: 20210718 |
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| CF01 | Termination of patent right due to non-payment of annual fee |