CN206339364U - A kind of dynamic observation device of pin hole injecting type two phase flow - Google Patents
A kind of dynamic observation device of pin hole injecting type two phase flow Download PDFInfo
- Publication number
- CN206339364U CN206339364U CN201720020999.5U CN201720020999U CN206339364U CN 206339364 U CN206339364 U CN 206339364U CN 201720020999 U CN201720020999 U CN 201720020999U CN 206339364 U CN206339364 U CN 206339364U
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- Prior art keywords
- pin hole
- hole injecting
- injecting type
- control valve
- flow
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Abstract
The utility model discloses a kind of dynamic observation device of pin hole injecting type two phase flow, belong to the dynamic observation technology field of two phase flow, including constant pressure gas cylinder, pressure-reducing valve, liquid storage tank, liquid pump, first pressure table, first control valve, second control valve, pin hole injecting type two-phase simulated flow device and camera, constant pressure gas cylinder is sequentially connected pressure-reducing valve, first pressure table and the first control valve, liquid storage tank is sequentially connected liquid pump and the second control valve, second control valve and the first control valve connection pin hole injecting type two-phase simulated flow device, place camera in the side of pin hole injecting type two-phase simulated flow device；Pin hole injecting type two-phase simulated flow device includes two sheet glass and at least two clearance gauges being disposed between two sheet glass, and the opposite sides of each clearance gauge is close to two sheet glass；Adjacent two clearance gauges and two sheet glass formation microchannel.The utility model can simulate the flow condition of biphase gas and liquid flow, and can directly observe and record in real time the dynamic flow pattern of biphase gas and liquid flow.
Description
【Technical field】
The utility model is related to the dynamic observation technology field of two phase flow, more particularly to a kind of pin hole injecting type two phase flow dynamic
Observation device.
【Background technology】
Interaction between the characteristics of motion of biphase gas and liquid flow and the form and other motion morphologies is two-phase fluid
One of main research of mechanics.For biphase gas and liquid flow research with industrial technology the need for and grow up,
Particularly in 21 century, due to chemical industry, metallurgy, Aero-Space, Thermal Power Engineering, hydraulic engineering, or even nuclear energy engineering, environmental protection
Deng the rise and development in field, the research of biphase gas and liquid flow is increasingly paid attention to, thus promote to be formed as one it is complete should
Use basic subject.But it is due to the limitation of the intrinsic complexity of biphase gas and liquid flow problem, diversity and method of testing, so
It is so far also fully aware of for flow pattern formation, flow mechanism, drag characteristic, momentum and the energy transmission of biphase gas and liquid flow etc.,
And there is more difference to the analysis of many correlated phenomenas.Therefore, the research to flow pattern of gas-liquid two-phase flow is very crucial, is
The top priority of two phase flow research.In addition, flow pattern of gas-liquid two-phase flow research also has important application value in engineering.
The theory analysis of two phase flow is more much more difficult than single-phase flow, and the general differential equation group of description two phase flow is not yet built so far
It is vertical.A large amount of theoretical works use two class simplified models-homogeneous model and phase-separation model；Homogeneous model is to see two-phase medium
Into a kind of mixture for mixing highly uniform, and assume that the concept and method that handle single-phase flow stand good in two-phase
Stream, while stilling need also to make rational hypothesis to its physical property and hereditary property；And phase-separation model thinks single-phase flow
Concept and method can be used in each phase of binary system, and also need while considering the interaction between two-phase.Although more than
All also there are many difficulties in the application of two kinds of models, but with the development of computing technique, its application has also been in progress.
Compared with the theory analysis of two phase flow, the experimental study of two phase flow is then the basic skills for grasping two phase flow rule.
Be widely used at present optical method (including light absorbs, scattering, interference, refraction etc.), other radiation absorptions and scattering method, trace method with
And electric capacity and conductance method etc. determine the important parameter in two phase flow, such as pressure, voidage, average film thickness, liquid-drop diameter, motion speed
The parameters such as degree.And in the sense, to two phase flow rule deeper into understanding, more depend on the progress of experimental technique.
【Utility model content】
In view of the above, it is necessary to provide a kind of pin hole injecting type two phase flow dynamic observation device, the pin hole injecting type
Two phase flow dynamic observation device can directly observe the dynamic flow pattern of biphase gas and liquid flow, and carry out captured in real-time note to the flow pattern
Record, consequently facilitating dynamic analysis and static analysis to biphase gas and liquid flow.
To reach above-mentioned purpose, the technical scheme that the utility model is used is：A kind of pin hole injecting type two phase flow dynamic
Observation device, including constant pressure gas cylinder, pressure-reducing valve, liquid storage tank, liquid pump, first pressure table, the first control valve, the second control valve, pin
Hole injecting type two-phase simulated flow device and camera, the constant pressure gas cylinder are sequentially connected pressure-reducing valve, first pressure table and first
Valve is controlled, the liquid storage tank is sequentially connected liquid pump and the second control valve, and the second control valve connects jointly with the first control valve again
Pin hole injecting type two-phase simulated flow device is connect, the photography dress is placed in the side of the pin hole injecting type two-phase simulated flow device
Put, and the camera camera lens towards pin hole injecting type two-phase simulated flow device；
The pin hole injecting type two-phase simulated flow device includes two sheet glass and at least two clearance gauges, and two sheet glass are parallel and phase
To setting, all clearance gauges are disposed between two sheet glass, and the opposite sides of each clearance gauge is close to two sheet glass；Phase
One microchannel of adjacent two clearance gauges and two sheet glass formation, all microchannels are not connected mutually, and each microchannel has what is communicated with the external world
Arrival end and the port of export, the arrival end connection first control valve and the second control valve.
Further, clearance gauge be arranged in parallel two-by-two；Each clearance gauge is identical along the size on the microchannel circulating direction.
Further, the pin hole injecting type two-phase simulated flow device includes holding down assembly；It is described to hold down assembly including two
Compression bar and tight latch fitting, two compression bars set up separately on two sheet glass, and side is relative with side where clearance gauge where each compression bar；
Two compression bars are also oppositely arranged with same clearance gauge；The two ends of each compression bar are extended on the outside of sheet glass, and are located at two ends
The tight latch fitting that two compression bars are interconnected is installed on the part on the outside of sheet glass.
Further, the quantity of the setting that holds down assembly is equal to the quantity that clearance gauge is set.
Further, hollow V-type needle apparatus is set at the arrival end of each microchannel, and the needle apparatus has two
Entrance point and ejection end, two entrance points are respectively communicated with the first control valve and the second control valve, and the ejection end stretches into micro- logical
In road.
Further, the liquid pump is peristaltic pump.
Further, the first control valve and the second control valve are magnetic valve.
Further, at where the camera lens of the camera towards microchannel；The camera is high-speed camera,
And be connected with computer equipment.
Further, the dynamic observation device of the pin hole injecting type two phase flow also includes trigger switch, the trigger switch
Connection first simultaneously controls valve, the second control valve and camera.
Further, the dynamic observation device of the pin hole injecting type two phase flow also includes illumination apparatus, the illumination apparatus
It is placed on pin hole injecting type two-phase simulated flow device side.
The utility model has the advantages that：
1. the utility model provides the passage of gas liquid two-phase flow-micro- logical by pin hole injecting type two-phase simulated flow device
Road, and its building block is constituted using the sheet glass of transparent material in the pin hole injecting type two-phase simulated flow device, so that
It is easy to experimenter to observe the flow regime of gas-liquid two-phase through sheet glass, the observation is more directly perceived, and the accuracy of observation and can
Row is preferable；In addition, the utility model is also provided and conveyed gas by the setting of constant pressure gas cylinder, pressure-reducing valve etc., and with by
The fluid pipeline of the compositions such as liquid storage tank, liquid pump coordinates, and provides gas and liquid jointly for pin hole injecting type two-phase simulated flow device,
So that the simulation biphase gas and liquid flow that entirely observation device can be complete；The utility model overall structure is simple and reliable, scheme
It is practical.
2. the camera that the utility model is set in pin hole injecting type two-phase simulated flow device side can captured in real-time simultaneously
Record process of the test gas-liquid two-phase flow regime, and then be conducive to experimenter's later stage biphase gas and liquid flow is entered Mobile state analysis and
Static analysis.
【Brief description of the drawings】
Fig. 1 is a kind of structure diagram of the dynamic observation device of pin hole injecting type two phase flow of the utility model.
Fig. 2 is the Structure explosion diagram of pin hole injecting type two-phase simulated flow device in Fig. 1.
Fig. 3 is the structural representation of pin hole injecting type two-phase simulated flow device in Fig. 1.
Main element symbol description
In figure, constant pressure gas cylinder 1, pressure-reducing valve 2, the control of first pressure table 3, first valve 4, liquid storage tank 5, liquid pump 6, the
Two pressure gauges 7, second control valve 8, pin hole injecting type two-phase simulated flow device 9, sheet glass 91, clearance gauge 92, hold down assembly
93rd, compression bar 931, microchannel 94, needle apparatus 95, trigger switch 10, camera 20, computer equipment 30, illumination
Device 40.
Following embodiment will further illustrate the utility model with reference to above-mentioned accompanying drawing.
【Embodiment】
Fig. 1 to Fig. 3 is referred to, in a kind of better embodiment of the present utility model, a kind of pin hole injecting type two phase flow
Dynamic observation device, including a constant pressure gas cylinder 1, a pressure-reducing valve 2, a liquid storage tank 5, a liquid pump 6, a first pressure table 3, one first
Valve 4, one second control valve 8, a pin hole injecting type two-phase simulated flow device 9 and a camera 20 are controlled, constant pressure gas cylinder 1 is successively
Pressure-reducing valve 2, the control valve 4 of first pressure table 3 and first are connected, liquid storage tank 5 is sequentially connected the control valve 8 of liquid pump 6 and second, the second control
Valve 8 processed connects pin hole injecting type two-phase simulated flow device 9, pin hole injecting type two-phase simulated flow dress jointly with the first control valve 4 again
Camera 20 is placed in the side for putting 9, and camera 20 camera lens towards pin hole injecting type two-phase simulated flow device 9；Pin hole
Injecting type two-phase simulated flow device 9 includes two sheet glass 91 and at least two clearance gauges 92, and two sheet glass 91 are parallel and are oppositely arranged, institute
There is clearance gauge 92 to be disposed between two sheet glass 91, and the opposite sides of each clearance gauge 92 is close to two sheet glass 91；Phase
Adjacent one microchannel 94 of two clearance gauges 92 and two sheet glass 91 formation, all microchannels 94 are not connected mutually, each microchannel 94 with
Arrival end and the port of export that the external world is communicated, wherein, arrival end connection first controls the control valve 8 of valve 4 and second.
The flowing that the utility model forms biphase gas and liquid flow by designing pin hole injecting type two-phase simulated flow device 9 is led to
Road-microchannel 94, and mobility status when by setting camera 20 shooting and record Liquid Flow in the microchannel 94,
Consequently facilitating dynamic analysis and static analysis of experimenter's later stage to biphase gas and liquid flow；In pin hole injecting type two-phase simulated flow dress
Put in 9, the sheet glass 91 set by it is transparent material, experimenter can be beneficial to and come captured in real-time, record using camera 20
The flow regime of biphase gas and liquid flow, at the same can also be easy to experimenter more intuitively observation experiment process Liquid Flow when stream
Dynamic state；And the gas used in process of the test is then provided by constant pressure gas cylinder 1, and by with subtracting that constant pressure gas cylinder 1 is connected
The gas pipeline that pressure valve 2, the control valve 4 of first pressure table 3 and first are formed is flowed into microchannel 94, and liquid is then by liquid storage tank
5 provide, the liquid storage tank 5 and liquid pump 6 and second the control formation fluid pipeline of valve 8, liquid by after the fluid pipeline with flue
The gas flowed out in road is together spurted into microchannel 94, forms the form of biphase gas and liquid flow.
In the present embodiment, constant pressure gas cylinder 1 used is CO2Constant pressure gas cylinder 1, can be pin hole injecting type two phase flow mould
Intend the CO that device 9 provides constant air pressure2Gas；Pressure-reducing valve 2 is used for the pressure for adjusting the gas flowed out from constant pressure gas cylinder 1, with suitable
Answer requirement of the experimenter to gas pressure；First pressure table 3 is used for the pressure for detecting the gas in gas pipeline after pressure-reducing valve 2
Power, in order to which experimenter checks the pressure of gas, and when will appreciate that liquid communication in fluid pipeline for the ease of experimenter
Pressure condition, the utility model is also provided with a pressure gauge i.e. second pressure table 7 on fluid pipeline, preferably by the second pressure table
7 are arranged between the control valve 8 of liquid pump 6 and second；First control valve 4 and second control valve 8 be respectively used to control gas pipeline and
The break-make of fluid pipeline.
Further, refer in Fig. 2 and Fig. 3, pin hole injecting type two-phase simulated flow device 9, put down two-by-two between clearance gauge 92
Row is set, and each clearance gauge 92 is identical along the size on the circulating direction of microchannel 94, to form regular microchannel 94, reduces gas-liquid
Flow process makes the possibility that Liquid Flow is undergone mutation because passage changes, and then more accurately divides beneficial to experimenter
The mobility status of gassing liquid two-phase；Preferably, sheet glass 91 is along the size on the circulating direction of microchannel 94 and clearance gauge 92 along micro-
Size on the circulating direction of passage 94 is identical.In addition, in the present embodiment, the quantity of clearance gauge 92 is two, but this practicality is new
The quantity of type clearance gauge 92 is not limited to two, and pin hole injecting type two-phase simulated flow device 9 is made with the setting by many clearance gauges 92
With multiple microchannels 94, consequently facilitating experimenter carries out the comparative study of multiple biphase gas and liquid flows simultaneously.
In the utility model, in order to ensure that clearance gauge 92 connects with sheet glass 91 in pin hole injecting type two-phase simulated flow device 9
Connect the sealing at place, pin hole injecting type two-phase simulated flow device 9 is also provided with holding down assembly 93.Hold down assembly 93 include two compressions
Bar 931 and tight latch fitting, two compression bars 931 set up separately on two sheet glass 91, and the place side of each compression bar 931 with the institute of clearance gauge 92
It is relative in side；Two compression bars 931 are also oppositely arranged with same clearance gauge 92；Extend sheet glass in the two ends of each compression bar 931
91 outsides, and it is located at the tight latch fitting installed on the part in the outside of sheet glass 91 and interconnect two compression bars 931 at two ends, to pass through
Two compression bars 931 are covered in the opposite sides of clearance gauge 92 and tight latch fitting assign the thrust of compression bar 931 realize clearance gauge 92 with
Being mutually close between sheet glass 91, so as to ensure the sealing between clearance gauge 92 and sheet glass 91, reduce Liquid Flow process
The possibility of gas-liquid leakage.Preferably, the quantity that tight component is set is equal to the quantity that clearance gauge 92 is set, so that 92 pairs of each clearance gauge
One should be set to hold down assembly 93, it is ensured that the sealing of microchannel 94.
In addition, referring to Fig. 1, the utility model sets a hollow v type needle head at the arrival end of each microchannel 94
Device 95 so that gas and liquid are mixed into microchannel 94 after being sufficiently mixed, the needle apparatus 95 have two entrance points and
One ejection end, two entrance points are respectively communicated with the first control valve 4 and the second control valve 8, i.e. two entrance points are said with flue respectively
Mouth, fluid pipeline outlet, ejection end are stretched into microchannel 94, will be in the mixed gas-liquid injection of ejection end to microchannel
In 94.
Preferably, liquid pump 6 of the present utility model selects peristaltic pump, to adjust in process of the test the flow velocity of liquid and make liquid
Smoothly it is delivered in microchannel 94, improves the stability and the accuracy of experiment during biphase gas and liquid flow flowing.
Preferably, at where the camera lens of camera 20 towards microchannel 94, in order to which camera 20 is preferably shot
The flow condition of biphase gas and liquid flow in microchannel 94.Further, in order to improve the transient state high speed observing capacity of camera 20,
Camera 20 of the present utility model uses high-speed camera, and the high-speed camera is connected into computer equipment 30, with logical
Liquid Flow situation in the apparent shooting microchannel 94 of high-speed camera is crossed, and it is real-time in process of the test beneficial to computer equipment 30
Monitoring with observation microchannel 94 in biphase gas and liquid flow mobility status, and the later stage to the image captured by high-speed camera at
Reason and analysis.Wherein, computer equipment 30 is soft by being arranged on matlab on computer equipment 30 when handling image
Part is handled, and the processing is RGB image to be split based on thresholding method and Boundary Extraction analyzes image, and it has
Running body process is as follows：First, the image/video captured by high-speed camera is read in, and searches the frame of the image video files
Number, and image/video is converted into single image；Then the RGB image obtained is converted into gray level image, and to gray value
Equalized；Rank scanning image, row threshold division is entered to image again；Image after segmentation is subjected to binaryzation, and to two
Image zooming-out border after value, and to carrying out white filling in border；Range shorter is carried out to processing image, removed many in figure
Remaining white point, you can.
Further, please continue to refer to Fig. 1, in order that the shooting of camera 20 and biphase gas and liquid flow in microchannel 94
Synchronous to carry out, the dynamic observation device of pin hole injecting type two phase flow of the present utility model also includes a trigger switch 10, and the triggering is opened
Close 10 connections first simultaneously and control the control valve 8 of valve 4, second and camera 20, and it is preferably new as this practicality from magnetic valve
The first control control valve 8 of valve 4 and second of type, realizes that the first control valve 4 and second controls valve 8 in the form of by magnetic valve
Automatically control.
In the utility model, the dynamic observation device of the pin hole injecting type two phase flow also includes an illumination apparatus 40, should
Illumination apparatus 40 is placed on the side of pin hole injecting type two-phase simulated flow device 9, to improve pin hole in biphase gas and liquid flow process of the test
The intensity of illumination of injecting type two-phase simulated flow device 9, and then improve the quality that camera 20 is shot.
The operation principle of the dynamic observation device of the pin hole injecting type two phase flow is：First, constant pressure gas cylinder 1 is opened, and is adjusted
The aperture of pressure valve 2 is reduced, while the pressure reading on first pressure table 3 is observed, when the pressure reading of first pressure table 3 is equal to gas
When pressing preset value, stop the aperture of regulation pressure-reducing valve 2, and maintain the aperture size of now pressure-reducing valve 2；Meanwhile, open liquid storage tank
5, and the aperture of peristaltic pump is adjusted, while the flow velocity reading on peristaltic pump is observed, when the flow velocity reading on peristaltic pump is equal to liquid
During flow velocity preset value, stop the aperture of regulation peristaltic pump, and maintain the aperture size of now peristaltic pump；Then, triggering is pressed to open
10 are closed, the first control valve 4, second control valve 8 and camera 20 are opened simultaneously, and gas and liquid pass through needle apparatus 95 respectively
Into in microchannel 94, meanwhile, camera 20 is also begun to record a video to microchannel 94, and video recording situation is generated in electricity in real time
Brain equipment 30, until observation experiment terminates.
The utility model is dynamically observed to realize the automation of observation experiment process in the pin hole injecting type two phase flow
Controller is also provided with device, the controller connects constant pressure gas cylinder 1, pressure-reducing valve 2, first pressure table 3, peristaltic pump and touched respectively
Hair switch 10, sets a gas preset value and the preset value with flow rate of liquid in it, can receive the detection gas of first pressure table 3 and lead to
Liquid real-time flow rate in road measured by the pressure value and peristaltic pump of gas, when the gas pressure value that controller is received is equal to gas
During body preset value, controller control pressure-reducing valve 2 stops regulation aperture, when the liquid real-time flow rate that controller is received is equal to liquid
During the preset value of flow velocity, controller control peristaltic pump stops regulation aperture, when pressure-reducing valve 2 and peristaltic pump stop adjusting aperture
When, controller sends out code to trigger switch 10.Preferably, controller is integrated in computer equipment 30.
Now, the control principle of the dynamic observation device process of the test of the pin hole injecting type two phase flow is as follows：
1) controller control constant pressure gas cylinder 1 is opened, while adjusting pressure-reducing valve 2, the aperture of peristaltic pump；
2) first pressure table 3 detection gas passage in gas pressure value, and by the gas pressure value signal of generation send out in
Controller；Meanwhile, peristaltic pump detects the real-time flow rate of its exit liquid, and generate corresponding liquid real-time flow rate signal send out in
Controller；
3) controller comparative analysis gas pressure value and the interior gas preset value set, when result shows that gas pressure value is equal to
During gas preset value, controller stops the aperture of regulation pressure-reducing valve 2, and enters step 4)；Conversely, into step 4)；
4) preset value of controller comparative analysis liquid real-time flow rate and the interior flow rate of liquid set, when result shows that liquid is real
When flow velocity when being not equal to the preset value of flow rate of liquid, return to step 2)；Conversely, controller stops the aperture of regulation peristaltic pump, and
Into step 5)；
5) when controller comparative analysis structure shows that gas pressure value is equal to gas preset value and liquid real-time flow rate is equal to
During the preset value of flow rate of liquid, controller control trigger switch 10 is closed；Conversely, return to step 2).
Described above is to be directed to the detailed description of the preferable possible embodiments of the utility model, but embodiment is not limited to
The equal change or modification completed under patent claim of the present utility model, the technical spirit suggested by all the utility model
Change, all should belong to the utility model and cover the scope of the claims.
Claims (10)
1. a kind of dynamic observation device of pin hole injecting type two phase flow, it is characterised in that：Including constant pressure gas cylinder, pressure-reducing valve, liquid storage tank,
Liquid pump, first pressure table, the first control valve, the second control valve, pin hole injecting type two-phase simulated flow device and camera, it is described
Constant pressure gas cylinder is sequentially connected pressure-reducing valve, first pressure table and the first control valve, and the liquid storage tank is sequentially connected liquid pump and the second control
Valve processed, the second control valve connects pin hole injecting type two-phase simulated flow device, the pin hole spray jointly with the first control valve again
The camera is placed in the side for penetrating formula two-phase simulated flow device, and the camera camera lens towards pin hole injecting type two
Phase flow field simulation device；
The pin hole injecting type two-phase simulated flow device includes two sheet glass and at least two clearance gauges, and two sheet glass are parallel and set relatively
Put, all clearance gauges are disposed between two sheet glass, and the opposite sides of each clearance gauge is close to two sheet glass；Adjacent two
One microchannel of clearance gauge and the formation of two sheet glass, all microchannels are not connected mutually, and each microchannel has the entrance communicated with the external world
End and the port of export, the arrival end connection first control valve and the second control valve.
2. the dynamic observation device of pin hole injecting type two phase flow as claimed in claim 1, it is characterised in that：Clearance gauge is parallel two-by-two sets
Put；Each clearance gauge is identical along the size on the microchannel circulating direction.
3. the dynamic observation device of pin hole injecting type two phase flow as claimed in claim 1, it is characterised in that：The pin hole injecting type
Two-phase simulated flow device includes holding down assembly；Described to hold down assembly including two compression bars and tight latch fitting, two compression bars set up separately two
On sheet glass, and side is relative with side where clearance gauge where each compression bar；Two compression bars are also oppositely arranged with same clearance gauge；Often
The two ends of one compression bar are extended on the outside of sheet glass, and are installed at two ends on the part on the outside of sheet glass by two compression bars
The tight latch fitting of interconnection.
4. the dynamic observation device of pin hole injecting type two phase flow as claimed in claim 3, it is characterised in that：Described hold down assembly sets
The quantity put is equal to the quantity that clearance gauge is set.
5. the dynamic observation device of pin hole injecting type two phase flow as claimed in claim 1, it is characterised in that：Each microchannel enters
Hollow V-type needle apparatus is set at mouth end, and the needle apparatus has two entrance points and ejection end, and two entrance points are respectively communicated with
The first control valve and the second control valve, the ejection end are stretched into microchannel.
6. the dynamic observation device of pin hole injecting type two phase flow as claimed in claim 1, it is characterised in that：The liquid pump is wriggling
Pump.
7. the dynamic observation device of pin hole injecting type two phase flow as claimed in claim 1, it is characterised in that：The first control valve
Magnetic valve is with the second control valve.
8. the dynamic observation device of pin hole injecting type two phase flow as claimed in claim 1, it is characterised in that：The camera
At where camera lens towards microchannel；The camera is high-speed camera, and is connected with computer equipment.
9. the dynamic observation device of pin hole injecting type two phase flow as described in claim 1-8 is any, it is characterised in that：Also include touching
Hair switch, the trigger switch connects first and controls valve, the second control valve and camera simultaneously.
10. the dynamic observation device of pin hole injecting type two phase flow as described in claim 1-8 is any, it is characterised in that：Also include
Illumination apparatus, the illumination apparatus is placed on pin hole injecting type two-phase simulated flow device side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720020999.5U CN206339364U (en) | 2017-01-09 | 2017-01-09 | A kind of dynamic observation device of pin hole injecting type two phase flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720020999.5U CN206339364U (en) | 2017-01-09 | 2017-01-09 | A kind of dynamic observation device of pin hole injecting type two phase flow |
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| Publication Number | Publication Date |
|---|---|
| CN206339364U true CN206339364U (en) | 2017-07-18 |
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ID=59304816
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720020999.5U Expired - Fee Related CN206339364U (en) | 2017-01-09 | 2017-01-09 | A kind of dynamic observation device of pin hole injecting type two phase flow |
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| CN (1) | CN206339364U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768843A (en) * | 2017-01-09 | 2017-05-31 | 广西大学 | A kind of pin hole injecting type two phase flow dynamic observation device |
| CN113899777A (en) * | 2021-09-06 | 2022-01-07 | 西安电子科技大学 | Micro-channel experiment system for inducing two-phase flow |
-
2017
- 2017-01-09 CN CN201720020999.5U patent/CN206339364U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768843A (en) * | 2017-01-09 | 2017-05-31 | 广西大学 | A kind of pin hole injecting type two phase flow dynamic observation device |
| CN113899777A (en) * | 2021-09-06 | 2022-01-07 | 西安电子科技大学 | Micro-channel experiment system for inducing two-phase flow |
| CN113899777B (en) * | 2021-09-06 | 2022-07-01 | 西安电子科技大学 | Micro-channel experiment system for inducing two-phase flow |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20170718 Termination date: 20180109 |