CN107727360A - A kind of flow pattern generator - Google Patents
A kind of flow pattern generator Download PDFInfo
- Publication number
- CN107727360A CN107727360A CN201711069460.XA CN201711069460A CN107727360A CN 107727360 A CN107727360 A CN 107727360A CN 201711069460 A CN201711069460 A CN 201711069460A CN 107727360 A CN107727360 A CN 107727360A
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- flow pattern
- flow
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- inlet
- gas
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- 239000007788 liquid Substances 0.000 claims abstract description 45
- 239000012530 fluid Substances 0.000 claims abstract description 38
- 238000002347 injection Methods 0.000 claims abstract description 30
- 239000007924 injection Substances 0.000 claims abstract description 30
- 238000005259 measurement Methods 0.000 claims abstract description 19
- 238000002474 experimental method Methods 0.000 abstract description 15
- 239000000835 fiber Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 6
- 238000011160 research Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000002224 dissection Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 210000003934 vacuole Anatomy 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 241000197194 Bulla Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 208000002352 blister Diseases 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
Abstract
The invention belongs to hydrodynamics experimental rig technical field, disclose a kind of flow pattern generator, the gradually wealthy bore that is connected including liquid inlet, with liquid inlet, the first flange with gradually wealthy bore is connected, the flow pattern generation area being connected with first flange, the flow pattern observation measurement pipe of the second flange, one end and the second flange connection that are connected with flow pattern generation area and the end cap that is connected with the flow pattern observation measurement pipe other end, flow pattern generation area is provided with liquid injection port and gas main-inlet, and end cap is provided with fluid exit port and gas outflow port.The technical program is simply compact, cost is low, workable, meets laboratory for numerous requirement of experiment such as bubble flow, slug flow, block stream, the annular flow with fiber, annular flow.
Description
Technical field
Patent of the present invention is related to hydrodynamics experimental rig technical field, more particularly to a kind of flow pattern generator.
Background technology
In multiple industrial departments such as the energy, power, nuclear reactor, petrochemical industry, metallurgy, environmental protection and Aero-Space,
Multiphase flow is all widely used.The distribution situation of each phase medium of multiphase flow is referred to as flow pattern, and flow pattern is different, the stream of multiphase flow
The performances such as dynamic, heat transfer, mass-transfer performance, electric shock imaging are different.The research of each flow pattern performance depends on polyphase fluid experimental research dress
The performance of flow pattern generator is put, therefore in Simulation of Multiphase Flow process of experimental, produces flow pattern needed for experiment to greatest extent
It is most important.In Simulation of Multiphase Flow device, flow pattern generator is the core component of the device most critical, and its performance directly affects
The generation quality of each flow pattern of polyphase fluid experimental.Therefore, rationally high-quality flow pattern generating means is the important set of flow pattern experimental study
Into part, and effective flow pattern generator should can to greatest extent, as comprehensive as possible produce flow pattern needed for experiment.
Flow pattern generating mode in existing flow pattern generator is roughly divided into three kinds, i.e. mechanical dissection mixed phase, fluid eddy flow mixes
Conjunction and spray dispersion.Mechanical dissection mode, due to block cause poromerics from playing one's part to the full, along with inflation or
(pressure) increase can directly contribute bubble, the increase of vacuole size when injecting liquid；Fluid mixed-forming was mixed using air-liquid
Journey premixes liquid, gas is ground into bubble, and its Air Bubble Size depends primarily on liquid turbulence level and lasting incorporation time, and most
Reach eventually and maximum system energy state phase.The mode of this generation flow pattern is relatively easy, but during mixing, it is not easy to
The morphological feature of the reverberation liquid such as bubble, vacuole in fluid is held, is not easy to the descriptions such as the accurate qualitative, observation of flow pattern；Jet
Shaping is then that liquid is first become dispersed phase, then progressively becomes continuous phase with the increase of pressure, gas is then continuous by
Mutually progressively it is dispersed into microvesicle.Compared compared with first two fluid molding mode, the above two experienced by fluid mixing and bulla is broken
The process of vesicle is broken into, and the latter is then by directly mixing fully dispersed directly formation Stable Manifold.But the generation pair of flow pattern
Requiring higher in laboratory equipment, forming process is relative complex, while generating process is extremely complex, generation flow pattern is relatively single,
It is unfavorable for laboratory research work.
The modes such as the experiment direct-injection of flow pattern generating means use, jet, both modes are higher to Laboratory Request, i.e.,
Need larger experimental site can not minimize arable land change, be unable to reach preferable requirement.Generating process is extremely complex,
Generation flow pattern is relatively single, is unfavorable for the development of laboratory research work.
The content of the invention
The present invention is according to the deficiencies in the prior art, there is provided a kind of flow pattern generator, is realized by following scheme.
A kind of flow pattern generator, including liquid inlet, be connected with liquid inlet gradually wealthy bore, be connected with gradually wealthy bore
First flange, the flow pattern generation area being connected with first flange, the second flange being connected with flow pattern generation area, one end and second
The flow pattern observation measurement pipe of flange connection and the end cap being connected with the flow pattern observation measurement pipe other end, flow pattern generation area is provided with liquid
Body inlet and gas main-inlet, end cap are provided with fluid exit port and gas outflow port.Fluid entry section is using gradually
Wealthy mode, can smooth transition influent, to greatest extent reduce fluid bore change to injection liquid caused by as backflow,
Rank flow-disturbing etc. influences afterwards；The flow of selection injection gas, the quantity of flow velocity simultaneous selection inlet as needed, are easy to maximum tune
Section injection gaseous state, position etc., gas outlet end can change shape, be easy to different shape bubble to produce；Popular generating unit
Fluid infusion ports are assigned, produce miscible fluids, adjust speed, shape etc. caused by fluid；Flange connects and in each several part
Footpath is consistent, and reduces observation, influence of the measurement pipe broken-line for flow pattern to greatest extent, flange can dismantle as needed,
Installation, very big limit add installation and the flexibility of regulation and the generality of application of flow pattern generator；Multiple gas injection ports
Different port, varying number can be selected as needed, are reserved mixed phase liquid injection port, are easy to test.
Preferably, it is equipped with card between end cap and flow pattern observation measurement pipe, between second flange and flow pattern observation measurement pipe
Mouthful.
Preferably, gas inlet is closer to the distance away from inlet, liquid injection port apart from liquid inlet farther out.
Preferably, gas inlet and liquid injection port be dismountable, can be with ginsengs such as flexible design its shape, sizes
Number, is easy to the hypothesis of laboratory items experimental condition.
Preferably, flow pattern generator is tubular structure.
Preferably, the gas outflow port on end cap has four, and is uniformly distributed.
Flow pattern generator includes three parts：Fluid entry section；Part occurs for flow pattern；Outlet measurement part.
Fluid entry section includes liquid inlet, and liquid enters via entrance, via gradually wealthy bore, enters flow pattern
Region.Main flow liquid is injected into flow pattern generator by entrance, and gradually wealthy bore reaches and flow pattern generator same inner diameter process.Stream
After body flows into through entrance, pipe stream internal diameter is progressively extended into the identical chi of flow pattern generator by the way of water conservancy internal diameter flaring
Very little, intake section is occurred part with flow pattern and is connected in the form of flange.
Flow pattern generating unit point includes gas inlet, liquid injection port, gas outflow port, fluid exit port.Experiment
During, gas enters flow pattern through four inlets and part occurs, and gas injection here can select single port to inject, can also
Four bores of selection inject simultaneously, and the gas injection speed of each bore also can adjust.Injection gas is flowed into inside generator, is passed through
Air outlet flows out, and the bore of air outlet, shape etc. can carry out installation tune according to needs such as actual flow pattern, flow, flow velocitys
Section.Liquid injects by inlet, and liquid injection port here can need to select injection different fluid according to actual tests, also may be used
The operations such as closing injection are done as needed.Inject fluid to enter in flow pattern generator, flowed out by fluid outlet, liquid outflow
Bore, shape etc. can do regulation according to experiment demand, flow pattern state etc. and produce multiphase mixing flow pattern.
Outlet measurement portion point includes miscible fluids through flange junction, flows into flow pattern observation, measurement pipeline section.Miscible fluids passes through
Flange-interface, flow-pattern observation pipeline section is flowed into, the fluid caliber needs of part occur for flow pattern here and observation measuring section internal diameter is kept
Unanimously, while observe the bayonet socket of pipeline section and need good closure, adapt to all kinds of experiment demands under different pressures.More than
Flow pattern obtained by three parts is produced flow pattern in flow pattern generator, and then meets experiment demand.
Flow pattern generator needs to use in vertical pipeline, and four gas outlet ends will be in the same horizontal position, in uniform
The form of distribution；Fluid exit port is located at gas outflow port top, and part, outlet occur for liquid injection port part, flow pattern
The blue connection of part use installation of modular generation easy to disassemble is measured, each several part junction fluid internal diameter size is consistent.
The technical program can realize a variety of examinations such as bubble flow, slug flow, block stream, the annular flow with fiber, annular flow
Test required flow pattern；Flow pattern generating means design simultaneously is simple, light to be easily installed, less to the dependence of the conditions such as laboratory equipment,
Tested suitable for laboratory flow pattern, it is principle for testing equipment performance to meet laboratory to greatest extent, with testing equipment
Miniaturization, summary, cost degradation, it is workable for the purpose of；Meet laboratory for bubble flow, slug flow, block stream,
Needed for the experiment such as annular flow, annular flow with fiber.Meet that flow pattern generating means requires relatively low to test site, process is small-sized
Change, modularized processing, be adapted under various working for the simulated test of flow pattern.
Brief description of the drawings
Fig. 1：A kind of front view of flow pattern generator for multiphase flow experiment device of the invention；
Fig. 2：A kind of top view of flow pattern generator for multiphase flow experiment device of the invention.
Wherein：1. liquid inlet；2. gradually wealthy bore；3. first flange；4. flow pattern generation area；5. liquid injection port；6.
Gas inlet；7. second flange；8. flow pattern observes measurement pipe；9. bayonet socket；10. gas flow outlet；11. liquid flowing outlet；12.
End cap.
Embodiment
With reference to accompanying drawing 1-2, the technical program is described further.
A kind of flow pattern generator, including liquid inlet 1, be connected with liquid inlet 1 gradually wealthy bore 2, connect with gradually wealthy bore 2
The first flange 3 that connects, the flow pattern generation area 4 being connected with first flange 3, the second flange 7 being connected with flow pattern generation area 4,
The flow pattern that one end is connected with second flange 7 observes measurement pipe 8 and the end cap 12 being connected with the flow pattern observation other end of measurement pipe 8, stream
Type generation area 4 is provided with liquid injection port 5 and gas main-inlet 6, and end cap 12 is provided with fluid exit port 11 and gas flows out
Port 10.
Fluid entry section includes liquid inlet 1, and liquid enters via entrance, via gradually wealthy bore 2, enters flow pattern hair
Raw region 4.Main flow liquid is injected into flow pattern generator by entrance, and gradually wealthy bore 2 reaches identical with flow pattern generator interior to process
Footpath.After fluids through inlet ports flow into, pipe stream internal diameter is progressively extended into flow pattern generator phase by the way of water conservancy internal diameter flaring
Same size, intake section are occurred part with flow pattern and are connected in the form of flange.
Flow pattern generating unit point includes gas inlet 6, liquid injection port 5, gas outflow port 10, fluid exit port
11.During experiment, gas enters flow pattern through four inlets and part occurs, and gas injection here can select single port to note
Enter, four bores can also be selected while injected, the gas injection speed of each bore also can adjust.Injection gas is flowed into generator
Inside, flowed out by air outlet, the bore of air outlet, shape etc. can be needed according to actual flow pattern, flow, flow velocity etc. into
Row installation and adjustment.Liquid injects by inlet, and liquid injection port here can need to select injection different according to actual tests
Fluid, the operations such as closing injection can be also done as needed.Inject fluid to enter in flow pattern generator, pass through fluid outlet stream
Go out, liquid flowing outlet footpath, shape etc. can do regulation according to experiment demand, flow pattern state etc. and produce multiphase mixing flow pattern.
Outlet measurement portion point includes miscible fluids through flange junction, flows into flow pattern observation, measurement pipeline section.Miscible fluids passes through
Flange-interface, flow-pattern observation pipeline section is flowed into, the fluid caliber needs of part occur for flow pattern here and observation measuring section internal diameter is kept
Unanimously, while observe the bayonet socket of pipeline section and need good closure, adapt to all kinds of experiment demands under different pressures.More than
Flow pattern obtained by three parts is produced flow pattern in flow pattern generator, and then meets experiment demand.
Flow pattern generator needs to use in vertical pipeline, and four gas outlet ends will be in the same horizontal position, in uniform
The form of distribution；Fluid exit port is located at gas outflow port top, and part, outlet occur for liquid injection port part, flow pattern
The blue connection of part use installation of modular generation easy to disassemble is measured, each several part junction fluid internal diameter size is consistent.
Embodiment only illustrates technical scheme, rather than carries out any restrictions to it；Although with reference to the foregoing embodiments
The present invention is described in detail, for the person of ordinary skill of the art, still can be to previous embodiment institute
The technical scheme of record is modified, or carries out equivalent substitution to which part technical characteristic；And these modifications or substitutions, and
The essence of appropriate technical solution is not set to depart from the spirit and scope of claimed technical solution of the invention.
Claims (6)
- A kind of 1. flow pattern generator, it is characterised in that：The gradually wealthy bore that is connected including liquid inlet, with liquid inlet, with it is gradually wealthy Bore connection first flange, be connected with first flange flow pattern generation area, be connected with flow pattern generation area second flange, The flow pattern that one end is connected with second flange observes measurement pipe and the end cap being connected with the flow pattern observation measurement pipe other end, and flow pattern occurs Region is provided with liquid injection port and gas main-inlet, and end cap is provided with fluid exit port and gas outflow port.
- A kind of 2. flow pattern generator according to claim 1, it is characterised in that：Between end cap and flow pattern observation measurement pipe, Bayonet socket is equipped between second flange and flow pattern observation measurement pipe.
- A kind of 3. flow pattern generator according to claim 1, it is characterised in that：Gas inlet away from inlet distance compared with Closely, liquid injection port apart from liquid inlet farther out.
- 4. according to a kind of any described flow pattern generators of claim 1-3, it is characterised in that：Gas inlet and liquid injection Mouth is dismountable.
- 5. according to a kind of any described flow pattern generators of claim 1-3, it is characterised in that：Flow pattern generator is tubular knot Structure.
- A kind of 6. flow pattern generator according to claim 1, it is characterised in that：Gas outflow port on end cap has four It is individual, and be uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711069460.XA CN107727360A (en) | 2017-11-03 | 2017-11-03 | A kind of flow pattern generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711069460.XA CN107727360A (en) | 2017-11-03 | 2017-11-03 | A kind of flow pattern generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107727360A true CN107727360A (en) | 2018-02-23 |
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ID=61222389
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711069460.XA Pending CN107727360A (en) | 2017-11-03 | 2017-11-03 | A kind of flow pattern generator |
Country Status (1)
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| CN (1) | CN107727360A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110514399A (en) * | 2019-08-15 | 2019-11-29 | 北京理工大学 | A kind of controllable single-phase flow flow field generating device of array |
| WO2021109797A1 (en) * | 2019-12-04 | 2021-06-10 | 山东省科学院海洋仪器仪表研究所 | Multiphase flow experiment device |
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