CN109723569A - For studying the shearing rectangle nozzle device of plasma enhancing jet stream blending - Google Patents
For studying the shearing rectangle nozzle device of plasma enhancing jet stream blending Download PDFInfo
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- CN109723569A CN109723569A CN201811590461.3A CN201811590461A CN109723569A CN 109723569 A CN109723569 A CN 109723569A CN 201811590461 A CN201811590461 A CN 201811590461A CN 109723569 A CN109723569 A CN 109723569A
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Abstract
The present invention relates to a kind of shearing rectangle nozzle devices to belong to plasma flow control technical field applied to the experimental study of plasma enhancing jet stream blending.The spray nozzle device includes inner nozzle, outer nozzle and collection chamber.It is assembled in the collection chamber by drive end bearing bracket, rear end cap and intermediate isolating plate.The inner nozzle includes an inner nozzle bracket and two inner nozzle sidings, and the inner nozzle bracket is fixed on the intermediate isolating plate, and two inner nozzle sidings are each attached on inner nozzle bracket.The outer nozzle is grouped as by part and outer nozzle lower part on outer nozzle, and outer nozzle is fixed on the drive end bearing bracket.The present invention can be realized the laying and electric discharge of Plasma Actuator, carries out the blending research of plasma enhancing jet stream, has many kinds of parameters regulatory function.The apparatus structure of the application is compact simultaneously, the processing is simple for part, disassembly is easy to assembly, has very high reliability.
Description
Technical field
The present invention relates to a kind of shearing rectangle nozzle device, the experiment applied to the blending of plasma enhancing jet stream is ground
Study carefully, belongs to plasma flow control technical field.
Background technique
Jet stream has important answer in aerospace flight vehicle combustion chamber and exhaust outlet, chemical reactor and cooling system
With blending, developing characteristics and the improvement noise properties for improving jet stream have very important significance.It is put based on surface dielectric barrier
The plasma flow control technology of electricity is to improve the effective means of jet stream blending degree.Driver is as shown in Figure 1, by exposure electricity
Pole and implant electrode two parts composition, centre are located at the upper side and lower side of insulating medium layer by insulating medium layer barrier.Two
Apply high-frequency and high-voltage excitation between electrode, sufficiently large electric-force gradient can be generated above implant electrode dielectric layer, keeps air electric
From plasma, charged particle directed movement under electric field action is generated, induction air forms directed jet.
The domestic and international experimental study for having carried out the blending of plasma enhancing jet stream at present, but the mostly single group member of use,
The relatively simple plain nozzle configuration of structure, there is no exploitations dedicated for the nozzle of plasma discharge.Further, since structure
Fixed, the position for laying Plasma Actuator is limited, and layout type is single, is difficult to carry out diversified research in a deep going way.
Summary of the invention
The application be to solve above-mentioned existing nozzle experimental provision there are aiming at the problem that, a kind of research plasma is provided
Body enhances the shearing two-dimensional rectangle spray nozzle device of jet stream blending, realizes shearing jet stream, base by inside and outside twin-jet nozzle nested structure
In surface dielectric barrier discharge, copper foil electrode (i.e. Plasma Actuator) and apply high pressure on its structure different location
Electricity can form near wall plasma jet, realize pneumatic intervention of the plasma to shearing jet stream.Can realize simultaneously it is single or
Multiple Plasma Actuators different location (inner nozzle inner wall, outside wall surface and outer nozzle inner wall, outside wall surface) installation and
Be laid out at any angle and nozzle various features parameter (inner nozzle gap width, outer nozzle gap width, premix length)
It adjusts, different affecting factors can be investigated to carry out research abundant.
In order to solve the above technical problems, the application the technical solution adopted is that:
A kind of shearing rectangle nozzle device blended for studying plasma enhancing jet stream, including inner nozzle, outer spray
Mouth and collection chamber, the inner nozzle and outer nozzle stretch out inside the collection chamber, and the inner nozzle is out of described outer nozzle
Portion is stretched out；Wherein:
Drive end bearing bracket and rear end cap, the company of the drive end bearing bracket and rear end cap are respectively equipped in the front side of the collection chamber and rear side
It meets place and is equipped with intermediate isolating plate, the central area of the intermediate isolating plate is rectangular hollow region；Before the drive end bearing bracket is equipped with
End cap air inlet, the rear end cap are equipped with rear end cap air inlet；Collection chamber forms two individually collection using intermediate isolating plate
Headroom, drive end bearing bracket, rear end cap air inlet connect with parallel connection outside supply air line, respectively to outer nozzle, inner nozzle supply.
The inner nozzle includes an inner nozzle bracket and two inner nozzle sidings, and the inner nozzle bracket is fixed on described
On intermediate isolating plate, the inner nozzle bracket is equipped with ribs, and two inner nozzle sidings are each attached in the ribs simultaneously
It is combined into the inner nozzle；The inner nozzle siding initially passes through inner nozzle gasket, then the rectangular hollow from the intermediate isolating plate
Region is stretched out；The inner nozzle is realized by the rear end cap air inlet and is supplied；
The outer nozzle is grouped as by part and outer nozzle lower part on outer nozzle, and the outer nozzle is fixed on the drive end bearing bracket
On, and realized and supplied by the drive end bearing bracket air inlet.
Further, the drive end bearing bracket, rear end cap and intermediate isolating plate are equipped with bolt hole, interior hexagonal spiral shell in corresponding position
Bolt sequentially passes through drive end bearing bracket, intermediate isolating plate and bolt hole on rear end cap and fills drive end bearing bracket, rear end cap and intermediate isolating plate
With for collection chamber.
Further, the inner nozzle bracket includes bracket siding and ribs, and the ribs are perpendicular to bracket siding
Setting, the bracket siding are parallel to the intermediate isolating plate setting, and described two inner nozzle sidings are set perpendicular to bracket siding
It sets and is fixed in the ribs；The inner nozzle gasket is arranged between the bracket siding and intermediate isolating plate；It is described
Bracket siding, inner nozzle gasket and intermediate isolating plate are equipped with kidney slot in corresponding position, and hexagon socket head cap screw sequentially passes through bracket
The inner nozzle bracket is fixed on the intermediate isolating plate by the kidney slot of siding, inner nozzle gasket and intermediate isolating plate.
Further, part and part under outer nozzle are described outer including pedestal and outer nozzle siding on the outer nozzle
Nozzle siding is arranged perpendicular to the pedestal, and the pedestal is parallel to the drive end bearing bracket setting, the phase of two pedestals and drive end bearing bracket
Position is answered to be equipped with kidney slot, hexagon socket head cap screw sequentially passes through two pedestals and the kidney slot of drive end bearing bracket fixes the outer nozzle
On the drive end bearing bracket.
Further, the venthole of the inner nozzle and outer nozzle is rectangle, and the length-width ratio of the venthole is big
In 50；Inner nozzle siding two sides and outer nozzle siding two sides can lay Plasma Actuator or swash directly as plasma
Encourage the dielectric barrier of device；Two outer nozzle siding ends are also provided with location hole.
Further, the two sides of the inner nozzle gasket, intermediate isolating plate and the outer nozzle pedestal close to drive end bearing bracket are assembled
Face is provided with sealing rubber ring.
Further,
Two inner nozzle siding geometric parameters are identical, and are aligned respectively in length-width direction；
The outer nozzle siding includes planomural and the side wall positioned at planomural two sides, surrounds structure in " C " shape；It is sprayed outside two
The planomural thickness of mouth siding is identical, and the sidewall thickness of two outer nozzle sidings is also identical；The Sidewall Height of each outer nozzle siding
One is long and the other is short, and long side wall height is equal to the sum of short side wall height peace wall thickness, the short side wall of outer nozzle siding and another
The corresponding arrangement of the long side wall of outer nozzle siding, wherein there are slit on the outside of short side wall, slit width is identical as sidewall thickness；
It is hollow close to the outer nozzle base center region of drive end bearing bracket, for across another outer nozzle siding；Close to front end
The sum of the outer nozzle siding length of lid and its base thickness are equal to another outer nozzle siding length.
Further, the inner nozzle and outer nozzle are using ceramics and polytetrafluoroethylene (PTFE)；The collection chamber uses stainless steel
Material.
Further, the straight flange of the kidney slot is arranged in a vertical direction.
Further, the drive end bearing bracket is equipped with 5 drive end bearing bracket air inlets, the rear end cap be equipped with 4 rear end caps into
Stomata, the drive end bearing bracket air inlet and rear end cap air inlet are in lateral equidistant arranged, and with external supply air line
Connection.
The invention has the benefit that
1, above-mentioned collection chamber uses intermediate isolating plate, and is assembled with inner nozzle bracket, inner nozzle gasket, gas collection
Room is divided into two individually collection headrooms, connect respectively with outer nozzle, inner nozzle, so that two nozzles is had gas supply and individually adjusts function
Energy.
2, for the air inlet of above-mentioned collection chamber rear end cap, drive end bearing bracket using being laterally equally spaced, pipeline, should using being connected in parallel
Layout type can guarantee that nozzle different location flow is essentially identical, in addition, nozzle length-width ratio requires to be greater than 50, comprehensive described two
Point makes jet stream have good two-dimensional flow characteristic, i.e. jet flow field is transversely with uniformity.
3, above-mentioned inner nozzle, outer nozzle can be met using nonmetallic materials such as the good ceramics of insulating properties, polytetrafluoroethylene (PTFE)
The insulating properties requirement that Plasma Actuator discharges to carrier, the high-voltage electricity for preventing driver from applying and metal collection chamber and outside
It is connected, furthermore nozzle wall surface utilizes insulation characterisitic itself, can be directly as Plasma Actuator dielectric barrier.
4, two kinds of above-mentioned inner nozzle bracket, inner nozzle gasket part sizes can be at seriations, and nozzle wall surface material can be at being
Columnization may be selected corresponding part according to the influence that experimental study investigates different materials, dimensional parameters and be assembled.
5, above-mentioned inner nozzle, outer nozzle have been all made of the method that parts processing reassembles, and can first lay before unassembled
Plasma Actuator has very strong operation, it can be achieved that driver is convenient at an arbitrary position, quick laying in an experiment
Property.
Detailed description of the invention
Fig. 1 is SDBD exciter structure schematic diagram；
Fig. 2 is the isometric views of shearing rectangle nozzle device of the present invention；
Fig. 3 is the front view of shearing rectangle nozzle device of the present invention；
Fig. 4 is shearing rectangle nozzle device side view cutaway drawing of the present invention；
Fig. 5 is the assembly explosive view of shearing rectangle nozzle device of the present invention；
Fig. 6 is the inner nozzle support schematic diagram of shearing rectangle nozzle device of the present invention；
Fig. 7 is partial schematic diagram on the outer nozzle of shearing rectangle nozzle device of the present invention；
Fig. 8 is partial schematic diagram under the outer nozzle of shearing rectangle nozzle device of the present invention；
Wherein, 11. collection chamber；120. drive end bearing bracket；121. hexagon socket head cap screw；122. drive end bearing bracket air inlet；It is spaced in 130.
From plate；140. rear end cap；141. rear end cap air inlets；150. inner nozzle gaskets；21. inner nozzle；220. inner nozzle brackets；221.
Hexagon socket head cap screw；222. bracket sidings；223. ribs；224. kidney slot；230. inner nozzle sidings；31. outer nozzle；320. outer
Part under nozzle；321. pedestal；Part on 330. outer nozzles；331. hexagon socket head cap screw；332. long side wall；333. short side wall；
334. kidney slot；335. location hole；336. planomural.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
A kind of shearing rectangle nozzle device blended for studying plasma enhancing jet stream, with reference to Fig. 2~5, including
Inner nozzle 21, outer nozzle 31 and collection chamber 11, the inner nozzle 21 and outer nozzle 31 stretch out inside the collection chamber 11, institute
Inner nozzle 21 is stated to stretch out inside the outer nozzle 31.
Drive end bearing bracket 120 and rear end cap 140, the drive end bearing bracket 120 are respectively equipped in the front side of the collection chamber 11 and rear side
It is equipped with intermediate isolating plate 130 with the junction of rear end cap 140, the central area of the intermediate isolating plate 130 is rectangular hollow area
Domain, for across inner nozzle 21.Specifically, the drive end bearing bracket 120, rear end cap 140 and intermediate isolating plate 130 are equal in corresponding position
Equipped with bolt hole, hexagon socket head cap screw 121 sequentially passes through the bolt hole on drive end bearing bracket 120, intermediate isolating plate 130 and rear end cap 140
And drive end bearing bracket 120, rear end cap 140 and intermediate isolating plate 130 are assembled as collection chamber 11.It is empty that collection chamber is divided into two independent gas collections
Between, it is connect respectively with outer nozzle, inner nozzle, outer nozzle, inner nozzle is made to have the independent regulatory function of gas supply.
The inner nozzle 21 includes an inner nozzle bracket 220 and two inner nozzle sidings 230, the inner nozzle bracket
220 are fixed on the intermediate isolating plate 130, and the inner nozzle bracket 220 is equipped with ribs 223, two inner nozzle sidings
230 are each attached in the ribs 223 and are combined into the inner nozzle 21；The inner nozzle siding 230 initially passes through inner nozzle
Gasket 150, then stretched out from the rectangular hollow region of the intermediate isolating plate 130；The inner nozzle 21 is by rear end cap air inlet 141
Realize gas supply.
With reference to Fig. 2~6, the inner nozzle bracket 220 includes bracket siding 222 and ribs 223, the ribs 223
It is arranged perpendicular to bracket siding 222, the bracket siding 222 is parallel to the intermediate isolating plate 130 and is arranged, described two interior sprays
Mouth siding 230 is arranged perpendicular to bracket siding 222 and is fixed in the ribs 223.The setting of inner nozzle gasket 150 exists
Between the bracket siding 222 and intermediate isolating plate 130.The bracket siding 222, inner nozzle gasket 150 and intermediate isolating plate
130 are equipped with kidney slot in corresponding position, hexagon socket head cap screw 221 sequentially pass through bracket siding 222, inner nozzle gasket 150 and in
Between the kidney slot 224 of isolation board 130 the inner nozzle bracket 220 is fixed on the intermediate isolating plate 130.
With reference to Fig. 5,7~8, the outer nozzle 31 is made of part 320 under part 330 on outer nozzle and outer nozzle, described
Outer nozzle 31 is fixed on the drive end bearing bracket 120, and is realized and supplied by drive end bearing bracket air inlet 122.
Part 320 includes pedestal 321 and outer nozzle siding under part 330 and outer nozzle on the outer nozzle, described outer
Nozzle siding is arranged perpendicular to the pedestal 321, and the pedestal 321 is parallel to the drive end bearing bracket 120 and is arranged, two pedestals 321
It is equipped with kidney slot 334 with the corresponding position of drive end bearing bracket 120, hexagon socket head cap screw 331 sequentially passes through two pedestals 321 and drive end bearing bracket
The outer nozzle 31 is fixed on the drive end bearing bracket 120 by 120 kidney slot.
The drive end bearing bracket 120 is equipped with 5 drive end bearing bracket air inlets 122, the rear end cap 140 be equipped with 4 rear end caps into
Stomata 141, the drive end bearing bracket air inlet 122 and rear end cap air inlet 141 in laterally equidistant arranged, and with outside
Using being connected in parallel, which can guarantee the basic phase of nozzle different location flow for supply air line connection, i.e. supply air line
Together.In addition, the venthole of the inner nozzle 21 and outer nozzle 31 is rectangle, and length-width ratio is all larger than 50, the comprehensive two o'clock
Jet stream is set to have good two-dimensional flow characteristic, i.e. jet flow field is transversely with uniformity.
The two sides of the inner nozzle gasket 150, intermediate isolating plate 130 and the outer nozzle pedestal 321 close to drive end bearing bracket 120 fill
Sealing rubber ring is provided with face.
Two inner nozzle siding geometric parameters are identical, and are aligned respectively in length-width direction.
The outer nozzle siding includes planomural 336 and the side wall positioned at 336 two sides of planomural, surrounds structure in " C " shape；Two
336 thickness of planomural of a outer nozzle siding is identical, and the sidewall thickness of two outer nozzle sidings is also identical；Each outer nozzle siding
One is long and the other is short for Sidewall Height, and 332 height of long side wall is equal to the sum of 336 thickness of 333 height of short side wall and planomural, outer nozzle siding
The arrangement corresponding with the long side wall 332 of another outer nozzle siding of short side wall 333, wherein there are slits for the outside of short side wall 333, narrow
Slit width degree is identical as sidewall thickness；
It is hollow close to 321 central area of outer nozzle pedestal of drive end bearing bracket 120, for across another outer nozzle siding；Patch
Nearby the sum of the outer nozzle siding length of end cap 120 and its 321 thickness of pedestal are equal to another outer nozzle siding length.
The collection chamber 11 uses stainless steel material.The inner nozzle 21 and outer nozzle 31 use the good pottery of insulating properties
The nonmetallic materials such as porcelain, polytetrafluoroethylene (PTFE) can meet insulating properties requirement of the Plasma Actuator electric discharge to carrier, prevent from motivating
The high-voltage electricity that device applies is connected with metal collection chamber and outside, and furthermore nozzle siding utilizes insulation characterisitic itself, can be direct
As Plasma Actuator dielectric barrier.Two outer nozzle siding ends are also provided with location hole 335, and corresponding up and down
Setting.Inner nozzle siding two sides and outer nozzle siding two sides can lay Plasma Actuator or swash directly as plasma
Encourage the dielectric barrier of device.Above-mentioned inner nozzle, outer nozzle are all made of the method that parts processing reassembles, and are assembling the spray nozzle device
Before, first by dielectric barrier discharge plasma driver be laid in target position, it can be achieved that driver at an arbitrary position just
Prompt, quickly laying, has very strong operability in an experiment.Two kinds of inner nozzle bracket, inner nozzle gasket part sizes can be at
Seriation, inner nozzle siding material can investigate different materials according to experimental study, the influence of dimensional parameters may be selected at seriation
Corresponding part is assembled.
The straight flange of the kidney slot is arranged in a vertical direction.Part 320 is distinguished under part 330 and outer nozzle on outer nozzle
It can be adjusted upwards, downwards, realize the change of outer nozzle gap width.Simultaneously inner nozzle 21 can with up and down adjustment, thus
Change at a distance from lower wall surface on outer nozzle.
To sum up, said nozzle device part uses parts processing and refills method of completing the square, can both carry out to part of the same race
The replacement of different sizes and material, and part can be finely adjusted along specific direction, it is several that nozzle various features can not only be carried out
The research of what parameter, dielectric impedance changes in material, and single or multiple Plasma Actuators are realized in any position of nozzle
It sets, along the fast and convenient laying of any direction.The present apparatus is compact-sized, and the processing is simple for part, is readily disassembled assembly, has higher
Reliability.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of for studying the shearing rectangle nozzle device of plasma enhancing jet stream blending, which is characterized in that including interior
Nozzle (21), outer nozzle (31) and collection chamber (11), the inner nozzle (21) and outer nozzle (31) are from the collection chamber (11)
Inside is stretched out, and the inner nozzle (21) is stretched out inside the outer nozzle (31)；Wherein:
Drive end bearing bracket (120) and rear end cap (140), the drive end bearing bracket are respectively equipped in the front side of the collection chamber (11) and rear side
(120) and the junction of rear end cap (140) is equipped with intermediate isolating plate (130), and the central area of the intermediate isolating plate (130) is
Rectangular hollow region；The drive end bearing bracket (120) is equipped with drive end bearing bracket air inlet (122), and the rear end cap (140) is equipped with rear end
Lid air inlet (141)；
The inner nozzle (21) includes an inner nozzle bracket (220) and two inner nozzle sidings (230), the inner nozzle bracket
(220) it is fixed on the intermediate isolating plate (130), the inner nozzle bracket (220) is equipped with ribs (223), in two
Nozzle siding (230) is each attached on the ribs (223) and is combined into the inner nozzle (21)；The inner nozzle siding
(230) it initially passes through inner nozzle gasket (150), then is stretched out from the rectangular hollow region of the intermediate isolating plate (130)；The interior spray
Mouth (21) is realized by the rear end cap air inlet (141) and is supplied；
The outer nozzle (31) is made of part (320) under part (330) on outer nozzle and outer nozzle, and the outer nozzle (31) is solid
It is scheduled on the drive end bearing bracket (120), and is realized and supplied by the drive end bearing bracket air inlet (122).
2. it is according to claim 1 for studying the shearing rectangle nozzle device of plasma enhancing jet stream blending,
It being characterized in that, the drive end bearing bracket (120), rear end cap (140) and intermediate isolating plate (130) are equipped with bolt hole in corresponding position,
Hexagon socket head cap screw sequentially passes through drive end bearing bracket (120), intermediate isolating plate (130) and bolt hole on rear end cap (140) and by front end
Covering (120), rear end cap (140) and intermediate isolating plate (130) assembly is collection chamber (11).
3. it is according to claim 1 for studying the shearing rectangle nozzle device of plasma enhancing jet stream blending,
It is characterized in that, the inner nozzle bracket (220) includes bracket siding (222) and ribs (223), and the ribs (223) are hung down
Directly it is arranged in bracket siding (222), the bracket siding (222) is parallel to intermediate isolating plate (130) setting, described two
Inner nozzle siding (230) is arranged perpendicular to bracket siding (222) and is fixed on the ribs (223)；The inner nozzle pad
Piece (150) is arranged between the bracket siding (222) and intermediate isolating plate (130)；The bracket siding (222), inner nozzle
Gasket (150) and intermediate isolating plate (130) are equipped with kidney slot in corresponding position, and hexagon socket head cap screw sequentially passes through bracket siding
(222), the inner nozzle bracket (220) is fixed on described by the kidney slot of inner nozzle gasket (150) and intermediate isolating plate (130)
On intermediate isolating plate (130).
4. it is according to claim 1 for studying the shearing rectangle nozzle device of plasma enhancing jet stream blending,
Be characterized in that, on the outer nozzle under part (330) and outer nozzle part (320) including pedestal (321) and outer nozzle siding,
The outer nozzle siding is arranged perpendicular to the pedestal (321), and the pedestal (321) is parallel to the drive end bearing bracket (120) setting,
The corresponding position of two pedestals (321) and drive end bearing bracket (120) is equipped with kidney slot, and hexagon socket head cap screw sequentially passes through two pedestals
(321) outer nozzle (31) is fixed on the drive end bearing bracket (120) with the kidney slot of drive end bearing bracket (120).
5. it is according to claim 4 for studying the shearing rectangle nozzle device of plasma enhancing jet stream blending,
It is characterized in that, the venthole of the inner nozzle (21) and outer nozzle (31) is rectangle, and the length-width ratio of the venthole is big
In 50；Inner nozzle siding two sides and outer nozzle siding two sides can lay Plasma Actuator or swash directly as plasma
Encourage the dielectric barrier of device；Two outer nozzle siding ends are also provided with location hole (335).
6. it is according to claim 4 for studying the shearing rectangle nozzle device of plasma enhancing jet stream blending,
It is characterized in that, the inner nozzle gasket (150), intermediate isolating plate (130) and the outer nozzle pedestal close to drive end bearing bracket (120)
(321) two sides fitting surface is provided with sealing rubber ring.
7. it is according to claim 4 for studying the shearing rectangle nozzle device of plasma enhancing jet stream blending,
It is characterized in that,
Two inner nozzle siding geometric parameters are identical, and are aligned respectively in length-width direction；
The outer nozzle siding includes planomural (336) and the side wall for being located at planomural (336) two sides, surrounds structure in " C " shape；Two
Planomural (336) thickness of a outer nozzle siding is identical, and the sidewall thickness of two outer nozzle sidings is also identical；Each outer nozzle siding
Sidewall Height one is long and the other is short, long side wall (332) is highly equal to short side wall (333) highly the sum of with planomural (336) thickness, outside
The short side wall (333) of nozzle siding is corresponding with long side wall (332) of another outer nozzle siding to arrange, wherein short side wall (333)
There are slit, slit width is identical as sidewall thickness in outside；
It is hollow close to outer nozzle pedestal (321) central area of drive end bearing bracket (120), for across another outer nozzle siding；Patch
Nearby the sum of the outer nozzle siding length of end cap (120) and its pedestal (321) thickness are equal to another outer nozzle siding length.
8. it is according to claim 1 for studying the shearing rectangle nozzle device of plasma enhancing jet stream blending,
It is characterized in that, the inner nozzle (21) and outer nozzle (31) are using ceramics and polytetrafluoroethylene (PTFE)；The collection chamber (11) is not using
Become rusty Steel material.
9. it is according to claim 1 for studying the shearing rectangle nozzle device of plasma enhancing jet stream blending,
It is characterized in that, the straight flange of the kidney slot is arranged in a vertical direction.
10. it is according to claim 1 for studying the shearing rectangle nozzle device of plasma enhancing jet stream blending,
It is characterized in that, the drive end bearing bracket (120) is equipped with 5 drive end bearing bracket air inlets (122), after the rear end cap (140) is equipped with 4
End cap air inlet (141), the drive end bearing bracket air inlet (122) and rear end cap air inlet (141) are in laterally equidistant arrangement cloth
It sets, and is connect with external supply air line.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811590461.3A CN109723569B (en) | 2018-12-20 | 2018-12-20 | Shear type rectangular nozzle device for researching plasma enhanced jet mixing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811590461.3A CN109723569B (en) | 2018-12-20 | 2018-12-20 | Shear type rectangular nozzle device for researching plasma enhanced jet mixing |
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| Publication Number | Publication Date |
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| CN109723569A true CN109723569A (en) | 2019-05-07 |
| CN109723569B CN109723569B (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112122614A (en) * | 2020-09-12 | 2020-12-25 | 青岛理工大学 | Self-excited electrostatic field-based jet deposition 3D printing device, working method and application thereof |
| CN112157906A (en) * | 2020-09-21 | 2021-01-01 | 青岛理工大学 | Method for preparing conductive biological scaffold based on self-excited electrostatic field driven melt jet 3D printing |
| CN114992673A (en) * | 2022-06-10 | 2022-09-02 | 中国科学院工程热物理研究所 | Nozzle capable of inhibiting oscillation combustion of combustion chamber |
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| CN103237404A (en) * | 2013-05-14 | 2013-08-07 | 哈尔滨工业大学 | Air plasma generating device in coaxial discharging mode |
| CN106793438A (en) * | 2017-01-17 | 2017-05-31 | 大连民族大学 | Ring type electrode reducing jet flow generating apparatus |
| CN108566714A (en) * | 2018-06-09 | 2018-09-21 | 贵州电网有限责任公司 | A kind of plasma jet device |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103237404A (en) * | 2013-05-14 | 2013-08-07 | 哈尔滨工业大学 | Air plasma generating device in coaxial discharging mode |
| CN106793438A (en) * | 2017-01-17 | 2017-05-31 | 大连民族大学 | Ring type electrode reducing jet flow generating apparatus |
| CN108566714A (en) * | 2018-06-09 | 2018-09-21 | 贵州电网有限责任公司 | A kind of plasma jet device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112122614A (en) * | 2020-09-12 | 2020-12-25 | 青岛理工大学 | Self-excited electrostatic field-based jet deposition 3D printing device, working method and application thereof |
| CN112122614B (en) * | 2020-09-12 | 2022-09-27 | 青岛理工大学 | Self-excitation electrostatic field-driven spray deposition-based 3D printing device, working method and application thereof |
| CN112157906A (en) * | 2020-09-21 | 2021-01-01 | 青岛理工大学 | Method for preparing conductive biological scaffold based on self-excited electrostatic field driven melt jet 3D printing |
| CN114992673A (en) * | 2022-06-10 | 2022-09-02 | 中国科学院工程热物理研究所 | Nozzle capable of inhibiting oscillation combustion of combustion chamber |
| CN114992673B (en) * | 2022-06-10 | 2024-06-07 | 中国科学院工程热物理研究所 | Nozzle capable of inhibiting combustion chamber from oscillating combustion |
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|---|---|
| CN109723569B (en) | 2020-02-07 |
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