CN109587920A - A kind of novel medium barrier discharge plasma driver - Google Patents
A kind of novel medium barrier discharge plasma driver Download PDFInfo
- Publication number
- CN109587920A CN109587920A CN201910006486.2A CN201910006486A CN109587920A CN 109587920 A CN109587920 A CN 109587920A CN 201910006486 A CN201910006486 A CN 201910006486A CN 109587920 A CN109587920 A CN 109587920A
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- Prior art keywords
- electrode
- frequency
- top electrode
- wire
- power supply
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- 230000004888 barrier function Effects 0.000 title claims abstract description 22
- 238000009413 insulation Methods 0.000 claims abstract description 24
- 229910052751 metal Inorganic materials 0.000 claims abstract description 19
- 239000002184 metal Substances 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims abstract description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 239000010408 film Substances 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 239000011889 copper foil Substances 0.000 claims description 4
- 239000011888 foil Substances 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000012671 ceramic insulating material Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- 229920003223 poly(pyromellitimide-1,4-diphenyl ether) Polymers 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 239000010409 thin film Substances 0.000 claims 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005284 excitation Effects 0.000 description 2
- 150000003949 imides Chemical class 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/2406—Generating plasma using dielectric barrier discharges, i.e. with a dielectric interposed between the electrodes
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Plasma Technology (AREA)
Abstract
The invention discloses a kind of novel medium barrier discharge plasma drivers, using very fine wires as top electrode, the high-voltage end of wire top electrode connection high-frequency and high-voltage power supply, wire upper electrode surface Glabrous thorn, and electric discharge is uniform, there is no point discharge to be not easy to puncture, can effectively extend the Plasma Actuator service life.When being installed on metal pattern, directly using metal pattern as lower electrode, the low-pressure end of electrode connection high-frequency and high-voltage power supply under metallic film, the very fine wires of model surface, model surface is influenced very small, driver is installed on the model of high-precision shape, can avoid the interference generated on shape and does not influence its aeroperformance.The voltage of high-frequency and high-voltage power supply and frequency are adjustable, and wire top electrode is separated with electrode under metallic film by insulation dielectric layer, and wire top electrode keeps tensioned state during installation, and by insulating, sunk screw is fixed, and arrangement is simple and reliable, is easily installed.
Description
Technical field
The present invention relates to plasma flow control technical fields, specifically, being related to a kind of novel medium barrier discharge
Plasma Actuator.
Background technique
Dielectric barrier discharge plasma driver has design simply, without moving parts, easy to install, energy consumption than high, response
Speed waits various features fastly, so that it is in flowing control field, more and more attention has been paid to increase in boundary layer flow control, aerofoil profile
Liter drag reduction, Airfoil Separation Flow etc. are multi-field to achieve extraordinary effect.Dielectric barrier discharge plasma is mainly by naked
Reveal electrode, implanted electrode and insulation dielectric layer composition, wherein in air, implanted electrode is wrapped in insulation and is situated between for bare electrode exposure
In matter, bare electrode and implanted electrode are separated by insulation dielectric layer, apply high-frequency and high-voltage alternating current, bare electrode to bare electrode
Neighbouring air is ionized generation plasma, wall jet is formed, to be interfered flowing to improve flow field quality.
In Chinese patent CN101784155B and in patent of invention CN203554775U, dielectric barrier discharge etc. is disclosed
Gas ions driver, bare electrode are the metallic film of rectangular shape, in practical applications, using by upper/lower electrode and
Insulating layer is attached to model surface, can have larger impact to various models such as aerofoil profile, aerofoil surface shape, or even influence its pneumatic property
Energy.In addition, inevitably small burr can generate point discharge at edge when pasting upper/lower electrode, punch-through easily occurs
Cause plasma DBD driver to damage, can not work normally.
Document disclosed in existing " gas ions flowing control research progress and prospect [J] " (aviation journal, 2015,36 (2):
381-405) the dielectric barrier discharge plasma driver introduced in text is since its top electrode is using metallic film, and edge is not
Can avoid will appear burr causes to be easy to happen point discharge, and the service life is lower, and installation will affect model surface on model
Shape influences aeroperformance.Therefore, there is an urgent need to one kind be not only able to achieve plasma flow control, but also do not influence mode shape,
And the novel plasma driver that the service life is relatively long.
Summary of the invention
In order to avoid the shortcomings of the prior art, the present invention proposes a kind of novel medium barrier discharge plasma excitation
Device, using very fine wires as its top electrode, wire surface Glabrous thorn can effectively extend the Plasma Actuator longevity
Life；Electrode under wire is installed on metal pattern and is used as metal pattern, it is very small on model surface influence, in high-precision
Driver is installed on the model of shape can avoid not influencing its aeroperformance to the interference that shape generates.
The technical solution adopted by the present invention to solve the technical problems is: including wire top electrode, insulation dielectric layer, gold
Belong to electrode and insulation sunk screw under film, the high-voltage end of the wire top electrode connection high-frequency and high-voltage power supply, metallic film
The low-pressure end of lower electrode connection high-frequency and high-voltage power supply, the voltage and frequency of high-frequency and high-voltage power supply are adjustable, wire top electrode and gold
Belong to electrode under film to separate by insulation dielectric layer, wire top electrode passes through insulation sunk screw during installation and is strained and fixed；
It is 0.02~0.5mm that the wire, which powers on polar diameter value range,.
Golden wire is complexed using stainless steel, tungsten, molybdenum, nickel in the wire top electrode.
The insulation dielectric layer is using Kapton or epoxy resin or ceramic insulating material.
Electrode uses copper foil or aluminum foil metal film metal material under the metallic film.
Beneficial effect
A kind of novel medium barrier discharge plasma driver proposed by the present invention, using very fine wires as thereon
Electrode, wire top electrode connects the high-voltage end of high-frequency and high-voltage power supply, wire upper electrode surface Glabrous thorn, and it is equal to discharge
It is even, it without point discharge, is not easy to puncture, can effectively extend the Plasma Actuator service life.When being installed on metal pattern, directly
Using metal pattern as lower electrode, the low-pressure end of electrode connection high-frequency and high-voltage power supply, the superfine gold of model surface under metallic film
Belong to silk, very small on model surface influence, driver is installed on the model of high-precision shape can avoid doing shape generation
Disturbing does not influence its aeroperformance.The voltage of high-frequency and high-voltage power supply and frequency are adjustable, electrode under wire top electrode and metallic film
It is separated by insulation dielectric layer, wire top electrode keeps tensioned state during installation, and by insulating, sunk screw is fixed.
Novel medium barrier discharge plasma driver electric discharge of the present invention uniformly, will not generate point discharge, the excitation
Device is lasted a long time compared with traditional plasma driver.It is very small that wire powers on polar diameter, interferes effect of aerodynamic performance minimum.
Driver arrangement is simple and reliable, is easily installed.
Detailed description of the invention
With reference to the accompanying drawing with embodiment to a kind of novel medium barrier discharge plasma driver of the present invention make into
One step is described in detail.
Fig. 1 is present media barrier discharge plasma driver schematic diagram.
Fig. 2 is present media barrier discharge plasma driver working principle diagram.
Fig. 3 is that present media barrier discharge plasma driver is mounted on sectional view on metal airfoil.
Fig. 4 is that present media barrier discharge plasma driver is mounted on schematic diagram on metal airfoil.
In figure:
1. 4. high-frequency and high-voltage power supply of electrode, the 5. metal wing under 2. insulation dielectric layer of wire top electrode, 3. metallic film
The insulation sunk screw of type 6.
Specific embodiment
The present embodiment is a kind of novel medium barrier discharge plasma driver.
Refering to fig. 1, Fig. 2, Fig. 3 and Fig. 4, the present embodiment novel medium barrier discharge plasma driver, by wire
Electrode 3 and insulation sunk screw 4 form under top electrode 1, insulation dielectric layer 2, metallic film；Wherein, wire top electrode connects
The high-voltage end of high-frequency and high-voltage power supply 4, electrode 3 connects the low-pressure end of high-frequency and high-voltage power supply under metallic film, high-frequency and high-voltage power supply 4
Voltage is adjustable with frequency；Wire top electrode is separated with electrode under metallic film by insulation dielectric layer 2, wire top electrode 1
It is strained and fixed during installation by the sunk screw 6 that insulate.In the present embodiment, wire power on polar diameter value range be 0.02~
0.5mm.Wire top electrode 1 can be used stainless steel, tungsten, molybdenum, nickel and golden wire be complexed.Insulation dielectric layer 2 uses polyimides
Film or epoxy resin or ceramic insulating material.Electrode 3 uses copper foil or aluminum foil metal film metal material under metallic film.
Embodiment one
The present embodiment be on plate production novel plasma driver, wherein wire top electrode 1 use diameter for
Spun gold is complexed in 0.08mm nickel；Insulation dielectric layer 2 selects three strata imide membranes, with a thickness of 0.3mm；Electrode under metallic film
3 use the good copper foil of electric conductivity, with a thickness of 0.06mm, width 4mm.By electrode 3 under wire top electrode 1 and metallic film
It is connected respectively to the high-voltage end and low-pressure end of high-frequency and high-voltage power supply 4, the voltage and frequency of high-frequency and high-voltage power supply 4 are adjustable.Wire
1 surface of top electrode is smooth, without raised impulse- free robustness, and discharges uniformly, will not generate point discharge, and Plasma Actuator uses the longevity
It orders longer.In entire planar surface in addition to wire top electrode 1 is without remaining additional structure, and 1 diameter of wire top electrode is very
Small, the interference of stream field is minimum.
Embodiment two
The present embodiment is that Plasma Actuator is installed on metal airfoil, wire top electrode 1 use diameter for
The tungsten wire of 0.08mm；Wire top electrode 1 keeps tensioned state during installation, and by insulating, sunk screw 6 is fixed on the metal wing
Type surface；Wire top electrode is separated with electrode under metallic film by insulation dielectric layer, and insulation dielectric layer 2 is covered on the metal wing
5 upper mounting portion position of type, forms metal airfoil outer shape, and insulation dielectric layer 2 uses three strata imide membranes；It only deposits on the surface
Electrode 1 on the metal filament has little influence on aerofoil profiles, to effect of aerodynamic performance since 1 diameter of wire top electrode is very small
It is negligible.Wire top electrode keeps tension during installation, and by insulating, sunk screw is fixed, and arrangement simply may be used
It leans on, be easily installed.
Claims (4)
1. a kind of novel medium barrier discharge plasma driver, it is characterised in that: including wire top electrode, insulative dielectric
Electrode and insulation sunk screw under layer, metallic film, the high-voltage end of the wire top electrode connection high-frequency and high-voltage power supply, metal
The low-pressure end of electrode connection high-frequency and high-voltage power supply under film, the voltage and frequency of high-frequency and high-voltage power supply are adjustable, wire top electrode
It is separated with electrode under metallic film by insulation dielectric layer, wire top electrode passes through insulation sunk screw during installation and tenses admittedly
It is fixed；It is 0.02~0.5mm that the wire, which powers on polar diameter value range,.
2. novel medium barrier discharge plasma driver according to claim 1, it is characterised in that: the wire
Golden wire is complexed using stainless steel or tungsten or molybdenum or nickel in top electrode.
3. novel medium barrier discharge plasma driver according to claim 1, it is characterised in that: the insulation is situated between
Electric layer is using Kapton or epoxy resin or ceramic insulating material.
4. novel medium barrier discharge plasma driver according to claim 1, it is characterised in that: the metal foil
Electrode uses copper foil or aluminum foil metal thin-film material under film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910006486.2A CN109587920A (en) | 2019-01-04 | 2019-01-04 | A kind of novel medium barrier discharge plasma driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910006486.2A CN109587920A (en) | 2019-01-04 | 2019-01-04 | A kind of novel medium barrier discharge plasma driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109587920A true CN109587920A (en) | 2019-04-05 |
Family
ID=65915961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910006486.2A Pending CN109587920A (en) | 2019-01-04 | 2019-01-04 | A kind of novel medium barrier discharge plasma driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109587920A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110430652A (en) * | 2019-08-02 | 2019-11-08 | 西安交通大学 | A kind of portable homogeneous plasma creeping discharge device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7380756B1 (en) * | 2003-11-17 | 2008-06-03 | The United States Of America As Represented By The Secretary Of The Air Force | Single dielectric barrier aerodynamic plasma actuation |
| CN102114910A (en) * | 2010-12-14 | 2011-07-06 | 大连海事大学 | Plasma wing flow control method |
| US20110180149A1 (en) * | 2010-01-28 | 2011-07-28 | Fine Neal E | SINGLE DIELECTRIC BARRIER DISCHARGE PLASMA ACTUATORS WITH IN-PLASMA catalysts AND METHOD OF FABRICATING THE SAME |
| CN104890881A (en) * | 2015-05-27 | 2015-09-09 | 西北工业大学 | Icing removing device and method of dielectric barrier discharge plasma |
| US20150267727A1 (en) * | 2012-08-08 | 2015-09-24 | National Institute Of Advanced Industrial Science And Technology | Surface plasma actuator |
| CN107734824A (en) * | 2017-09-08 | 2018-02-23 | 浙江大学 | Dielectric barrier discharge plasma flat board turbulent flow drag reduction device |
| CN107914865A (en) * | 2017-11-27 | 2018-04-17 | 西北工业大学 | The virtual dynamic bionic apparatus and method of plasma for the leading edge of a wing |
| CN210075673U (en) * | 2019-01-04 | 2020-02-14 | 西北工业大学 | Novel dielectric barrier discharge plasma exciter |
-
2019
- 2019-01-04 CN CN201910006486.2A patent/CN109587920A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7380756B1 (en) * | 2003-11-17 | 2008-06-03 | The United States Of America As Represented By The Secretary Of The Air Force | Single dielectric barrier aerodynamic plasma actuation |
| US20110180149A1 (en) * | 2010-01-28 | 2011-07-28 | Fine Neal E | SINGLE DIELECTRIC BARRIER DISCHARGE PLASMA ACTUATORS WITH IN-PLASMA catalysts AND METHOD OF FABRICATING THE SAME |
| CN102114910A (en) * | 2010-12-14 | 2011-07-06 | 大连海事大学 | Plasma wing flow control method |
| US20150267727A1 (en) * | 2012-08-08 | 2015-09-24 | National Institute Of Advanced Industrial Science And Technology | Surface plasma actuator |
| CN104890881A (en) * | 2015-05-27 | 2015-09-09 | 西北工业大学 | Icing removing device and method of dielectric barrier discharge plasma |
| CN107734824A (en) * | 2017-09-08 | 2018-02-23 | 浙江大学 | Dielectric barrier discharge plasma flat board turbulent flow drag reduction device |
| CN107914865A (en) * | 2017-11-27 | 2018-04-17 | 西北工业大学 | The virtual dynamic bionic apparatus and method of plasma for the leading edge of a wing |
| CN210075673U (en) * | 2019-01-04 | 2020-02-14 | 西北工业大学 | Novel dielectric barrier discharge plasma exciter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110430652A (en) * | 2019-08-02 | 2019-11-08 | 西安交通大学 | A kind of portable homogeneous plasma creeping discharge device |
| CN110430652B (en) * | 2019-08-02 | 2020-10-30 | 西安交通大学 | Portable uniform plasma creeping discharge device |
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