CN106801687B - Rotating injection booster after a kind of autoexcitation - Google Patents
Rotating injection booster after a kind of autoexcitation Download PDFInfo
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- CN106801687B CN106801687B CN201710042657.8A CN201710042657A CN106801687B CN 106801687 B CN106801687 B CN 106801687B CN 201710042657 A CN201710042657 A CN 201710042657A CN 106801687 B CN106801687 B CN 106801687B
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- booster
- autoexcitation
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- suction chamber
- chamber
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- 238000002347 injection Methods 0.000 title claims abstract description 18
- 239000007924 injection Substances 0.000 title claims abstract description 18
- 239000012530 fluid Substances 0.000 claims abstract description 33
- 150000001875 compounds Chemical class 0.000 claims abstract description 12
- 238000009792 diffusion process Methods 0.000 claims description 21
- 230000008859 change Effects 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 claims description 2
- 238000013016 damping Methods 0.000 claims description 2
- 230000004907 flux Effects 0.000 claims description 2
- 230000001939 inductive effect Effects 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 6
- 238000007596 consolidation process Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000009711 regulatory function Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 239000010410 layer Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010612 desalination reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
- F04F5/46—Arrangements of nozzles
- F04F5/461—Adjustable nozzles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
- F04F5/48—Control
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
Rotating injection booster after a kind of autoexcitation belongs to fluid injection pressurization field.The injection booster includes internal rectifier stack and scaling shape working chamber.Core is to induce three-momentum gradient using booster mixing chamber front end autoexcitation back spin circulation, thickens compound boundary layer, becomes unidirectional momentum-exchange as multidimensional momentum-exchange, improve fluid mixing efficiency, and rectifies support ring after cooperating and recycle tangential energy；Complete set design is in parallel using more set boosting jet devices, consolidation system regulatory function.The booster utilizes the disturbance of autoexcitation rotor, has thickened compound boundary layer, can effectively reduce length of mixing；Drive adjustable nozzle area of passage, more sets and with can effective enhancement device operating flexibility.Integral device structure is simple, easy to maintenance, is widely used in the pressurization of single-phase or heterogeneous fluid.
Description
Technical field
The present invention relates to injection boosters rotating after a kind of autoexcitation, belong to fluid jet supercharging technology field.
Background technique
Injector carries out mass transfer and momentum-exchange using the jet action draws low pressure fluid of high-pressure fluid, thus complete
At the supercharging effect of low-pressure gas.Injector has many advantages, such as that structure is simple, convenient for disassembly and assembly, safe and reliable, physical life is long, can
It is widely used in fluid pressurized and vacuum drawn, to flammable explosive gas, the complex working conditions such as impurity are insensitive.Currently, injection
Device is widely used in the technical fields such as refrigeration, metallurgy, aviation, natural gas centralized procurement, sea water desalination, sewage treatment.
However, conventional injector booster mixing chamber is substantially carried out axial momentum exchange, momentum-exchange low efficiency mixes side
Interlayer is thin and grows, and injection charging efficiency is low, and adjustable range is small, and operating flexibility is low, and injector length is long, in numerous areas application
It is limited.Presently, there are the strong vortex lead jetting device (CN201510286589.0) of dynamic realize that strong eddy flow draws using external excitation mode
It penetrates, structure is complicated and has seal request.Structure can effectively be simplified using autoexcitation back spin circulation, develop a kind of rear rotating increasing
Pressure injector realizes multidimensional momentum-exchange, reduces size and improves operating flexibility necessary.
Summary of the invention
To improve current injector charging efficiency, operating flexibility is widened, the present invention proposes rotating injection after a kind of autoexcitation
Booster, by the circulation son rotation of fluid driven autoexcitation back spin, enhancing booster mixing chamber gas disturbance thickens compound boundary
Layer, and then enhance momentum-exchange, complete equipment is on the other hand improved by area of passage adjustable column and more set injector parallel connections
Operating flexibility.
The technical solution adopted by the present invention is that: rotating injection booster after a kind of autoexcitation, including internal rectifier stack and
Scale shape working chamber, the internal rectifier stack is by preceding rectification support ring, area of passage adjustable column, the circulation of autoexcitation back spin are sub,
Back support rod and rear rectification support ring connect and compose from beginning to end from top to bottom, rectify support ring before described and are embedded in driving spray nozzle front end
In interior grooves, centering support and flow straightening grid are served as, the rear support ring that rectifies is fixed on booster diffusion room front end interior grooves
In, in addition to having supporting role, while stagnation tangential momentum completes energy recovery function；Area of passage adjustable column, back support rod
It is threadedly coupled respectively with preceding rectification support ring and rear rectification support ring, area of passage adjustable column cross-sectional area is adjustable, passes through replacement
The first area of passage adjustable column, the second area of passage adjustable column, the third area of passage adjustable column of different types change driving spray
Flow at mouth, back support rod front end eddy flow rotor slot inlay wear-resisting inner core；Autoexcitation back spin circulation is adjusted by area of passage
Column and back support rod complete the axially position of centralized positioning and booster mixing chamber front end, and inducing fluid disturbance is freely rotated, increases
Thick compound boundary layer realizes Spatial Multi-Dimensional momentum-exchange；The scaling shape working chamber includes driving nozzle carrier, driving nozzle, increases
Chamber seamlessly transits in depressor mixing chamber and booster diffusion room, booster mixing chamber and booster diffusion room；It drives nozzle carrier, drive
Dynamic nozzle, booster mixing chamber and booster diffusion room are coaxially arranged, constitute working chamber with suction chamber cylinder.
Rotating injection booster is using rotating injection booster parallel connection structure after more set autoexcitations after a kind of autoexcitation
At complexes, complexes include that integrated suction chamber, fluid cushion tank and revolving speed transducer controller, the integrated suction chamber are
Cylindrical shell structure, including suction chamber cylinder, suction chamber upper end cover, suction chamber lower cover and suction chamber suction inlet, suction chamber upper end
Lid realizes centralized positioning, bolt presses using taper fit with driving nozzle carrier；Suction chamber lower cover and booster mixing chamber spiral shell
Line connection realizes centralized positioning using taper fit；Fluid cushion tank is connect with each booster diffusion room terminal stud；Revolving speed becomes
It send controller to connect respectively with each booster mixing chamber in chamber external screw thread, completes self-excitation using magnetic flux change, magnetic resistance damping characteristics
Encourage the pick-up and control and regulation of back spin circulation rotor speed.
The beneficial effects of the present invention are:
1, as a kind of fluid pressurized equipment, by rotor rotating after autoexcitation, enhance mixing chamber flow disturbance, thicken it is mixed
Boundary layer is closed, strengthens multidimensional momentum-exchange, improves induction efficiency, shortens injector size, overcomes the friendship of conventional injector momentum
The problem of changing low efficiency, integrated operation poor flexibility, there is preferable market prospects.
2, using rotor rotating after autoexcitation, for the strong vortex lead jetting device of external excitation, structure is simple, without external
Ancillary equipment can work, while also can adjust revolving speed by revolving speed transducer controller.
3, area of passage adjusting column diameter is adjustable, and rotating rotor simultaneously, passes through and changes driving nozzle after fixed autoexcitation
Operating parameter is adjusted in fluid area of passage, enhances operating flexibility, widens ejector applications range, also optimizes and transports for injector
Row design offer condition.
4, mostly set injector is integrated, is equipped with outfit.Reply processing can be promoted by the selection of injector usage quantity
The ability for measuring variation, it is little to overcome the problems, such as that static equipment treating capacity changes.Fluid cushion tank, the anti-fluctuation energy of consolidation system are set
Power.
5, support ring stagnation tangential momentum is rectified afterwards, can be played the role of energy regenerating, be reduced energy dissipation.
The above advantage make after autoexcitation rotating injection booster refrigeration, metallurgy, aviation, natural gas centralized procurement, sea water desalination,
There is preferable application prospect in the fields such as sewage treatment.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is a kind of overall structure figure of rotating injection booster after autoexcitation.
Fig. 2 is mixed zone enlarged drawing and common compound boundary layer schematic diagram.
Fig. 3 is the structural schematic diagram of the first area of passage adjustable column.
Fig. 4 is the structural schematic diagram of the second area of passage adjustable column.
Fig. 5 is the structural schematic diagram of third area of passage adjustable column.
Fig. 6 is more set injector parallel connection schematic diagrames.
Fig. 7 is the structure drawing in side sectional elevation of preceding rectification support ring.
Fig. 8 rectifies the structure drawing in side sectional elevation of support ring after being.
In figure: 1, booster diffusion room, 2, rectify support ring, 3, booster mixing chamber, 4, back support rod, 5, self-excitation afterwards
Encourage back spin circulation, 6, driving nozzle, 7, area of passage adjustable column, 7-1, the first area of passage adjustable column, 7-2, the second overcurrent
Area adjustable column, 7-3, third area of passage adjustable column, 8, preceding rectification support ring, 9, driving nozzle carrier, 10, suction chamber upper end
Lid, 11, suction chamber cylinder, 12, revolving speed transducer controller, 13, suction chamber suction inlet, 14, suction chamber lower cover, 15, fluid it is slow
Rush tank, 16, wear-resisting inner core, 17, common compound boundary floor signal area.
Specific embodiment
Fig. 1,2,3,4,5,6,7,8 show a kind of structure chart with boosting jet device rotating after autoexcitation.Injector
Including scaling shape working chamber and internal rectifier stack.Exocoel is scaled to be sprayed by driving nozzle carrier 9, public suction chamber cylinder 11, driving
Mouth 6, booster mixing chamber 3 and booster diffusion room 1 are sequentially connected.Internal rectifier stack is by preceding rectification support ring 8, rear rectification branch
Pushing out ring 2 is fixed on driving 6 front end of nozzle and 1 front end of booster diffusion room to whole fixing internal rectifier stack, area of passage
Adjustable column 7 is threadedly coupled with preceding rectification support ring 8, and back support rod 4 is threadedly coupled with rear rectification support ring 2, eddy flow after autoexcitation
Rotor 5 is fixed in the rotor slot of area of passage adjustable column 7, back support rod 4, and back support rod rotor slot inlays wear-resisting inner core 16.
Design for Complete Equipment includes more set injector parallel connection designs, seven groups of injector parallel connection assembly, driving nozzle carrier 9 and suction chamber upper end
Lid 10 is bolted, and booster mixing chamber 3 is threadedly coupled with suction chamber lower cover 14.Fluid cushion tank 15 and each booster diffusion
Room 1 is bolted.12 screw thread of revolving speed transducer controller is installed in 3 cavity of booster mixing chamber.
Embodiment 1
Fig. 1 shows a kind of overall structure figure of rotating boosting jet device after autoexcitation.Rotating boosting jet after autoexcitation
Device high pressure power stream is entered by driving nozzle carrier 9, and premenstrual rectify after support ring 8 is rectified is depressurized by 6 speedup of driving nozzle,
Mixed zone front end forms low-pressure area, drives fluid sucking booster mixing chamber 3 in suction chamber cylinder 11 to be mixed, usually sprays
Common compound boundary floor illustrates area 17 to device compound boundary floor as shown in Figure 2, in this region setting autoexcitation back spin circulation 5, stream
Body flowing drives autoexcitation back spin circulation 5 to rotate, and generates disturbance, thickens compound boundary thickness degree, enhances momentum-exchange.Mixing
Fluid then flows through 1 rear support collector ring 2 of booster diffusion room, carries out energy regenerating, pressure recovery.Then in booster diffusion
Continue diffusion in room 1, finally flows into fluid cushion tank 15.
Fig. 3,4,5 show the structural schematic diagram of different-diameter support column, different area of passage adjustable columns 7 and driving nozzle 6
Mouth constitutes fluid area of passage difference, passes through the first area of passage adjustable column 7-1, the second area of passage tune for replacing different types
Segmented column 7-2, third area of passage adjustable column 7-3 change the flow at driving nozzle, can effectively adjust operating parameter.Before Fig. 7 is
Support ring 8 and rear rectification 2 concrete structure schematic diagram of support ring are rectified, plays support current stabilization for preceding rectification support ring 8, Fig. 8 is
Rectification support ring 2 plays stagnation tangential momentum afterwards, plays a part of to recover energy.
Embodiment 2
Fig. 6 shows rotating boosting jet device parallel connection practical set situation after 7 sets of autoexcitations, and multiple groups injector is in parallel in annulus
Arrangement, is independent of each other independently of each other, can voluntarily select to open quantity.Suction chamber covers equipment more and shares, suction chamber cylinder 11 or so
Two sides are symmetrically welded two suction chamber suction inlets 13, are low-pressure fluid suction inlet.Suction chamber upper end cover 10 and suction chamber lower cover
14 connect with 11 flange bolt of suction chamber cylinder, gasket seal, constitute integral sealing low-pressure fluid suction chamber.It is rotating after autoexcitation
Boosting jet device driving nozzle carrier 9 is bolted with suction chamber upper end cover 10, booster mixing chamber 3 and 14 spiral shell of suction chamber lower cover
Line connection guarantees the positioning assembly of rotating boosting jet device after autoexcitation.The booster of rotating boosting jet device expands after autoexcitation
It dissipates room 1 to be bolted with fluid cushion tank 15, the boosting jet devices that cover share same surge tank, relieving system fluctuation more.
Using above-mentioned technical solution, rotating injection booster includes scaling shape working chamber and internal rectification group after autoexcitation
Part.It scales working chamber and is similar to common emitter construction, driving nozzle, booster mixing chamber and booster diffusion room successively connect
Connect, suction chamber cylinder more cover it is public, at Analysis of Nested Design.Internal rectifier stack include preceding rectification support ring, area of passage adjustable column, from
Excitation back spin circulation son, back support rod and after rectify support ring.It is three leaf Flapper types, preceding rectification that front and back, which rectifies supporting ring structure,
Support ring is assemblied in driving spray nozzle front end groove, inside has screw thread to connect with area of passage adjustable column, centering support area of passage
Adjustable column plays rectified action, and the rear support ring that rectifies is assemblied in the groove of booster diffusion room front end, plays support diffusion action, and
It is rectified at support ring afterwards and belongs to booster diffusion room range.Area of passage adjustable column is the adjustable metal cylinder of middle section sectional area,
By the selection of different-diameter area of passage adjustable column, the area of passage at driving nozzle is adjusted, completes operating parameter and adjusts.
Autoexcitation back spin circulation is located at booster mixing chamber front end, and fluid overcurrent drives rotor rotation, causes flow disturbance, can reach
Compound boundary layer is thickened, the purpose of momentum-exchange is enhanced.Rotor is by area of passage adjustable column and back support rod support positioning.After prop up
Strut is located in booster mixing chamber, is threadedly coupled with rear rectification support ring, and back support rod front end rotor slot inlays wear-resisting inner core,
Reduce fretting wear.
It is that more set equipment are in parallel that complexes, which design core,.Injector shares a low pressure suction chamber, is circular layout.Low pressure
Suction chamber is column type structure, and sealing uses gasket seal, and suction chamber upper end cover is bolted with driving nozzle base, suction chamber
Lower cover is threadedly coupled with booster mixing chamber, and suction chamber cylinder lateral wall sets two suction inlet sucking low-pressure fluids.Under injector
End is bolted with fluid cushion tank, and the effect of fluid cushion tank is collection buffer fluid.Booster mixing chamber exocoel recess spiral shell
Line installs revolving speed transducer controller, observes pick-up rotor speed in real time, is also equipped with the condition of control rotor speed.
The working principle of rotating boosting jet device is to motivate mixing chamber eddy flow rotor to rotate using fluid after autoexcitation, is promoted
Fluid momentum exchange, thickens compound boundary layer, can shorten axial dimension and improve performance.Integral spray device structure is simple, applicable
Property is strong, can operate with the various pressurization operating conditions such as gas-gas, solution-air, liquid-liquid, liquid-gas.
Claims (2)
1. rotating injection booster after a kind of autoexcitation, including internal rectifier stack and scaling shape working chamber, it is characterized in that: described
Internal rectifier stack is by preceding rectification support ring (8), area of passage adjustable column (7), the circulation of autoexcitation back spin sub (5), back support rod
(4) it is connected and composed from beginning to end from top to bottom with rear rectification support ring (2), rectifies support ring (8) before described and be embedded in driving nozzle (6)
In the interior grooves of front end, centering support and flow straightening grid are served as, before booster diffusion room (1) is fixed in rectification support ring (2) afterwards
It holds in interior grooves, in addition to having supporting role, while stagnation tangential momentum completes energy recovery function；Area of passage adjustable column
(7), back support rod (4) is threadedly coupled with preceding rectification support ring (8) and rear rectification support ring (2) respectively, area of passage adjustable column
(7) cross-sectional area is adjustable, by the first area of passage adjustable column (7-1), the second area of passage adjustable column of replacing different types
(7-2), third area of passage adjustable column (7-3) change the flow at driving nozzle, back support rod (4) front end eddy flow rotor slot edge
Embedding wear-resisting inner core (16)；Autoexcitation back spin circulation sub (5) is completed center by area of passage adjustable column (7) and back support rod (4) and is determined
The axially position of position and booster mixing chamber (3) front end is freely rotated inducing fluid disturbance, thickens compound boundary layer, realizes empty
Between multidimensional momentum-exchange；The scaling shape working chamber includes driving nozzle carrier (9), driving nozzle (6), booster mixing chamber (3)
With booster diffusion room (1), booster mixing chamber (3) and the smooth transition of booster diffusion room (1) inner cavity；Driving nozzle carrier (9),
It drives nozzle (6), booster mixing chamber (3) and booster diffusion room (1) coaxially arranged, constitutes work with suction chamber cylinder (11)
Chamber.
2. rotating injection booster complexes after a kind of autoexcitation, it is characterized in that: using autoexcitation described in more set claims 1
Rotating injection booster parallel connection constitutes complexes afterwards, and complexes include integrated suction chamber, fluid cushion tank (15) and revolving speed
Transducer controller (12), the integrated suction chamber are cylindrical shell structure, including suction chamber cylinder (11), suction chamber upper end cover
(10), suction chamber lower cover (14) and suction chamber suction inlet (13), suction chamber upper end cover (10) and driving nozzle carrier (9) utilize cone
Centralized positioning, bolt presses are realized in shape cooperation；Suction chamber lower cover (14) is threadedly coupled with booster mixing chamber (3), utilizes cone
Centralized positioning is realized in shape cooperation；Fluid cushion tank (15) is connect with each booster diffusion room (1) terminal stud；The control of revolving speed pick-up
Device (12) is connect with each booster mixing chamber (3) in chamber external screw thread respectively, completes self-excitation using magnetic flux change, magnetic resistance damping characteristics
Encourage the pick-up and control and regulation of sub (5) revolving speed of back spin circulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710042657.8A CN106801687B (en) | 2017-01-20 | 2017-01-20 | Rotating injection booster after a kind of autoexcitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710042657.8A CN106801687B (en) | 2017-01-20 | 2017-01-20 | Rotating injection booster after a kind of autoexcitation |
Publications (2)
| Publication Number | Publication Date |
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| CN106801687A CN106801687A (en) | 2017-06-06 |
| CN106801687B true CN106801687B (en) | 2018-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710042657.8A Active CN106801687B (en) | 2017-01-20 | 2017-01-20 | Rotating injection booster after a kind of autoexcitation |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236759B (en) * | 2018-10-30 | 2020-06-09 | 中国航天空气动力技术研究院 | Supersonic ejector with multi-unit honeycomb combined structure |
| CN109277223A (en) * | 2018-11-19 | 2019-01-29 | 吴忠飞 | A kind of vacuum injector |
| CN112240316B (en) * | 2019-07-17 | 2022-09-23 | 中国石油化工股份有限公司 | Adjustable ejector |
| CN112058526B (en) * | 2020-09-09 | 2021-06-22 | 中国空气动力研究与发展中心高速空气动力研究所 | Distributed circumferential seam ejector device |
| CN116538156B (en) * | 2023-07-06 | 2023-09-22 | 中国空气动力研究与发展中心高速空气动力研究所 | Spatially distributed circular seam injector device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1420215A (en) * | 1972-03-09 | 1976-01-07 | British Gas Corp | Jet boosters |
| CN102297165A (en) * | 2010-06-23 | 2011-12-28 | 中国农业大学 | Guide vane type rotary spraying jet pump |
| CN102865256A (en) * | 2012-09-19 | 2013-01-09 | 上海大学 | Self-oscillation pulsed liquid-gas jet pump |
| CN103233924A (en) * | 2013-04-23 | 2013-08-07 | 武汉大学 | Adjustable annular jet pump |
| CN203750435U (en) * | 2014-04-10 | 2014-08-06 | 北京大学 | Self-excitation dithering jet flow mixer |
| CN104863904B (en) * | 2015-05-30 | 2017-03-08 | 大连理工大学 | One kind dynamically strong vortex lead jetting device |
| CN104907195B (en) * | 2015-06-10 | 2017-02-22 | 中国石油大学(华东) | Rotational flow injection nozzle |
-
2017
- 2017-01-20 CN CN201710042657.8A patent/CN106801687B/en active Active
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