CN105592618A - Cylindrical dielectric barrier discharge plasma propelling device - Google Patents
Cylindrical dielectric barrier discharge plasma propelling device Download PDFInfo
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- CN105592618A CN105592618A CN201610112218.5A CN201610112218A CN105592618A CN 105592618 A CN105592618 A CN 105592618A CN 201610112218 A CN201610112218 A CN 201610112218A CN 105592618 A CN105592618 A CN 105592618A
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- tubular
- barrier discharge
- discharge plasma
- dielectric barrier
- layer
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Classifications
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- 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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03H—PRODUCING A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03H1/00—Using plasma to produce a reactive propulsive thrust
-
- 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
- H05H1/2443—Generating plasma using dielectric barrier discharges, i.e. with a dielectric interposed between the electrodes the plasma fluid flowing through a dielectric tube
-
- 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
- H05H1/2443—Generating plasma using dielectric barrier discharges, i.e. with a dielectric interposed between the electrodes the plasma fluid flowing through a dielectric tube
- H05H1/2465—Generating plasma using dielectric barrier discharges, i.e. with a dielectric interposed between the electrodes the plasma fluid flowing through a dielectric tube the plasma being activated by inductive coupling, e.g. using coiled electrodes
Abstract
The invention provides a cylindrical dielectric barrier discharge plasma propelling device comprising an N-layer cylindrical structure and a high voltage power supply; each layer of the cylindrical structure comprises an insulating dielectric cylinder, and an M-layer high voltage electrode and a M-layer grounding electrode which are staggeredly arranged at two side faces of the insulating dielectric cylinder; the high voltage electrode and the grounding electrode are connected to the high voltage power supply; two adjacent layers of a high voltage electrode and a grounding electrode form a dielectric barrier discharge plasma exciter. The main part of the device is the cylindrical structure which is simple and compact, and is light in weight and low in production cost; the device has no moving parts and has quick response and high reliability; through the voltage and frequency control of the high voltage power supply, the excitation intensity and power consumption can be flexibly set, and the pushing force can be accurately controlled. The direction of the pushing force can be adjusted through adjusting the axial direction of the cylindrical structure; when the device is applied in an aircraft, the moving velocity and moving direction can be accurately controlled without carrying fuel; long-term aerial hovering of aircrafts can be realized.
Description
Technical field
The present invention relates to propeller technical field, relate in particular to a kind of tubular dielectric barrier discharge plasmaBody propulsion plant, it is specially adapted to dirigible.
Background technology
Stratosphere refers generally to be positioned at the spatial domain from earth's surface 18 km～50 kms, is in earth atmosphereOne deck of upper heat and lower cold is also the joint portion of earth observation Aeronautics and Astronautics two large systems simultaneously. AdvectionLayer is one section the tranquilest in atmosphere, is subject to hardly weather effect, also moist scarcely ever, meanwhile,Stratosphere also has stable meteorological condition and good electromagnetic property, and there is no at present spatial domain restriction,So in view of the motion feature of stratosphere self and unique advantage, it becomes flourishing big powers' competition skyBetween the new focus of resource.
Stratospheric airship is long-term in sky, motor-driven fixed point, low, the safe spy of energy consumption because of its uniquenessPoint, potential application prospect comprises: scientific research, communication repeating and military surveillance etc. civilian andMilitary domain. Because stratospheric airship needs the long-term sky of staying, if adopt the tradition of carrying fuel to advanceMode, can bring two aspect problems: the one, the impossible long run supply of fuel carrying; The 2nd,, along withThe consumption of fuel, the weight of dirigible changes, and this trim and counterweight to dirigible is disadvantageous. CauseThis, traditional engine propulsion system that carries fuel cannot be applied to stratospheric airship, abilityA kind of propulsion plant that is applicable to dirigible is needed in territory badly.
Summary of the invention
(1) technical problem that will solve
The problems referred to above that exist in order to solve prior art, the invention provides a kind of tubular dielectric impedanceDischarge plasma propulsion plant.
(2) technical scheme
The invention provides a kind of tubular dielectric barrier discharge plasma propulsion plant, comprising: N layerTubular construction and high voltage source 103, wherein, every layer of tubular construction comprises dielectric cylinder 100, withAnd interlaced arrangement is at M layer high-field electrode 101 and the M layer ground connection electricity of described dielectric cylinder two sidesThe utmost point 102, described high-field electrode 101 is connected described high voltage source 103 with earth electrode 102, whereinAdjacent two layers high-field electrode 101 and earth electrode 102 form dielectric barrier discharge plasma driver,Wherein, 1≤N≤100,1≤M≤100.
Preferably, be provided with insulation in the side of the described dielectric cylinder that is furnished with described earth electrodeMaterial 104, described insulating materials 104 covers described earth electrode 102.
Preferably, also comprise: stay pipe 105, described tubular construction has K group through hole, and every group is logicalHole comprises L the through hole circumferentially distributing along tubular construction, every group of L of described N layer tubular constructionLead to the hole site correspondence, forms K × L sequence of through holes, and described stay pipe 105 runs through and is fixed on instituteState in sequence of through holes, support fix N layer cylindrical structure, wherein, 2≤K≤5,2≤L≤10.
Preferably, also comprise: high-field electrode wire 106, earth electrode wire 107, high-field electrodeLine post 108, earth electrode line post 109, described high-field electrode line post 108 and earth electrodeLine post 109 is by passing in the middle of described stay pipe 105, and described high-field electrode wire 106 is by described everyThe high-field electrode 101 of layer tubular construction links together, and is connected to described high-field electrode line post108, then be connected to the high-pressure side of described high voltage source; Described earth electrode wire 107 is by described everyThe earth electrode 102 of layer tubular construction links together, and is connected to described earth electrode line post109, then be connected to the earth terminal of described high voltage source.
Preferably, also comprise: solar cell, it connects described high voltage source 103 and is described heightVoltage source 103 provides electric energy.
Preferably, the cross section of described tubular construction is circle, quadrangle or polygon; And/or described inThe cross-sectional area of tubular construction in axial direction remains unchanged, increases gradually or dwindle gradually.
Preferably: the axial length of described N layer tubular construction all identical, part is identical or phase not entirelyWith; And/or described N layer tubular construction arranges with one heart, all or part of tubular construction axis misalignment oneSet a distance be arranged in parallel; And/or the end of described N layer tubular construction axially align arrange or at axleTo the certain distance setting of staggering.
Preferably, described dielectric cylinder and insulating materials are polytetrafluoroethylene (PTFE), quartz glass or potteryMaterial.
Preferably, the material of described high-field electrode and earth electrode is copper, tungsten, molybdenum or stainless steel.
Preferably, the output waveform of described high voltage source is sine wave, square wave or sawtooth waveforms.
(3) beneficial effect
Can find out from technique scheme, tubular dielectric barrier discharge plasma of the present invention advancesDevice has following beneficial effect:
(1) its critical piece is simple shape structure, simple and compact for structure, lightweight, low cost of manufacture;And there is no moving component, thereby response is rapid and reliability is high;
(2) high voltage source connects high-field electrode and earth electrode, by controlling the voltage of high voltage sourceAnd frequency, the intensity of plasma excitation and the thrust that power consumption, accurate control produce can be set flexiblySize, in the time that it is applied to dirigible, can realize the accurate control of dirigible movement velocity;
(3) be the direction of capable of regulating thrust by the axis direction of adjusting tubular construction, when its applicationIn the time of dirigible, can realize controlling flexibly and accurately of the dirigible direction of motion;
(4) provided the electric energy of consumption by solar cell, when for dirigible, do not need to carry combustionMaterial, can realize the long-term in empty of dirigible;
(5) earth electrode is insulated material covering, avoids earth electrode to ionize near its air,Thereby save electric energy, improved efficiency of energy utilization;
(6) by position and the quantity of through hole and stay pipe are set, can adjust the structure of this deviceIntensity, is conducive to its stable, reliability service;
(7) by high-field electrode wire, earth electrode wire, high-field electrode line post being set, connecingGround electrode line post, can simplify circuit, optimizes overall structure, improves the stability of operation with reliableProperty.
Brief description of the drawings
Fig. 1 is the fundamental diagram of dielectric barrier discharge plasma incentive structure;
Fig. 2 is that the three-dimensional of the tubular dielectric barrier discharge plasma propulsion plant of the embodiment of the present invention is shownIntention;
Fig. 3 is the cross section of the tubular dielectric barrier discharge plasma propulsion plant of the embodiment of the present inventionSchematic diagram;
Fig. 4 is the subdivision floor map of A-A position in Fig. 3;
Fig. 5 is the subdivision floor map of B-B position in Fig. 3.
[symbol description]
100-dielectric cylinder; 101-high-field electrode; 102-earth electrode;
103-high voltage source; 104-insulating materials; 105-stay pipe;
106-high-field electrode wire; 107-earth electrode wire; 108-high-field electrode line post;
109-earth electrode line post; 110-dielectric; 111-induces flow direction;
112-reaction force direction; 113-thrust direction; 114-plasma.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with concrete realityExecute example, and with reference to accompanying drawing, the present invention is described in more detail.
Referring to Fig. 1, Fig. 1 is the fundamental diagram of dielectric barrier discharge plasma incentive structure. ItsIn, high-field electrode 101 and earth electrode 102 interlaced arrangement are in dielectric 110 both sides, by high pressurePower supply 103 provides High Level AC Voltage, and high-field electrode 101 and earth electrode 102 are connected electricity after high-tension electricityProduce plasma 114 near fluid, plasma 114 can be induced mobile, produces simultaneouslyWith the contrary thrust of induction flow direction 111, thereby realize the excitation of reaction force direction 112, withTime, earth electrode 102 can be insulated material 104 and cover, and avoids near earth electrode 102 ionizationAir, consume unnecessary electric power.
Refer to Fig. 2-Fig. 5, the tubular dielectric barrier discharge plasma of first embodiment of the invention pushes awayMotion device, it comprises: N layer tubular construction and high voltage source 103, every layer of tubular construction comprises insulationMedium cylinder 100, and interlaced arrangement is at M layer high-field electrode 101 and the M of dielectric cylinder two sidesLayer earth electrode 102, high-field electrode 101 is connected high voltage source 103 with earth electrode 102, whereinAdjacent two layers high-field electrode 101 and earth electrode 102 form dielectric barrier discharge plasma driver,Wherein, 1≤N≤100,1≤M≤100.
Preferably, the cross section of tubular construction can be circle, quadrangle or polygon; Tubular is transversalArea can in axial direction remain unchanged, and also can increase gradually or dwindle; N layer tubular constructionLength vertically can be all identical, also can part identical, also can be entirely not identical; N layer cylinderShape structure can arrange with one heart, and axis misalignment certain distance that also can all or part of tubular construction is flatRow arranges; Setting can axially aligned in the end of N layer tubular construction, also can axially stagger oneSet a distance arranges.
Preferably, the material of dielectric cylinder is polytetrafluoroethylene (PTFE), quartz glass or pottery; High-tension electricityOutput voltage 500V-100kV, the frequency 100Hz-100kHz in source 103, waveform are sinusoidal wave, sideRipple or sawtooth waveforms; The material of high-field electrode and earth electrode is copper, tungsten, molybdenum or stainless steel.
The tubular dielectric barrier discharge plasma propulsion plant of first embodiment of the invention, every layer of tubularEach dielectric barrier discharge plasma driver of structure is connected after high-tension electricity, dielectric barrier discharge etc.Near the fluid that the high-field electrode of gas ions driver and earth electrode are connected ionization produces plasma,Axially induction is mobile along tubular construction for plasma, and produces the thrust contrary with induction flow direction,The All Media barrier discharge plasma driver of all tubular constructions all produces pushing away of equidirectionalPower, all these thrusts make a concerted effort form along the axial thrust of tubular construction, as seen from Figure 5, thisThe thrust direction 113 that the dielectric barrier discharge plasma propulsion plant of bright the first embodiment produces is edgeTubular construction is axial.
As can be seen here, the tubular dielectric barrier discharge plasma propulsion plant of first embodiment of the invention,It is simple and compact for structure, lightweight, low cost of manufacture; There is no moving component, thus response rapidly andReliability is high; By controlling voltage and the frequency of high voltage source, plasma excitation can be set flexiblyIntensity and power consumption, accurately control the thrust size producing, in the time that it is applied to dirigible, can realizeThe accurate control of dirigible movement velocity; And be that capable of regulating pushes away by the axis direction of adjusting tubular constructionThe direction of power, in the time that it is applied to dirigible, can realize controlling flexibly and accurately of the dirigible direction of motion.
The tubular dielectric barrier discharge plasma propulsion plant of second embodiment of the invention, in order to reachThe object of brief description, in above-mentioned the first embodiment, any technical characterictic of making same application is narrated allAnd in this, without repeating again identical narration.
Wherein, be provided with insulating materials 104 in the side of the dielectric cylinder that is furnished with earth electrode,Insulating materials 104 covers earth electrode 102.
Preferably, insulating materials 104 is polytetrafluoroethylene (PTFE), quartz glass or pottery.
The dielectric barrier discharge plasma propulsion plant of second embodiment of the invention, earth electrode 102Be insulated material 104 and cover, avoid near its air of earth electrode 102 ionization, thereby savedElectric energy, has improved efficiency of energy utilization.
The tubular dielectric barrier discharge plasma propulsion plant of third embodiment of the invention, in order to reachThe object of brief description, in above-mentioned arbitrary embodiment, any technical characterictic of making same application is narrated allAnd in this, without repeating again identical narration.
This tubular dielectric barrier discharge plasma propulsion plant also comprises stay pipe 105, tubular constructionHave K group through hole, every group of through hole comprises L the through hole circumferentially distributing along tubular construction, N layer tubularEvery group of L lead to the hole site correspondence of structure, forms K × L sequence of through holes, and stay pipe 105 runs throughAnd be fixed in sequence of through holes, support fix N layer cylindrical structure, wherein, 2≤K≤5,2≤L≤10. In Fig. 2-Fig. 5, K=2, L=3, the two ends of tubular construction have two groups each 3 and lead toHole, 6 stay pipes 105 run through and are fixed in 6 sequence of through holes.
The tubular dielectric barrier discharge plasma propulsion plant of third embodiment of the invention, by arrangingThe position of through hole and stay pipe and quantity, can adjust the structural strength of this device, be conducive to that it is stable,Reliability service.
The tubular dielectric barrier discharge plasma propulsion plant of fourth embodiment of the invention, in order to reachThe object of brief description, in above-mentioned arbitrary embodiment, any technical characterictic of making same application is narrated allAnd in this, without repeating again identical narration.
This tubular dielectric barrier discharge plasma propulsion plant also comprises high-field electrode wire 106, connectsGround electrode wire 107, high-field electrode line post 108, earth electrode line post 109, high-field electrode connectsTerminal 108 and earth electrode line post 109 pass by stay pipe 105 is middle, high-field electrode wire 106The high-field electrode of every layer of tubular construction 101 is linked together, and be connected to high-field electrode line post108, then be connected to the high-pressure side of high voltage source; Earth electrode wire 107 is by every layer of tubular constructionEarth electrode 102 links together, and is connected to earth electrode line post 109, then is connected to high pressureThe earth terminal of power supply.
The tubular dielectric barrier discharge plasma propulsion plant of fourth embodiment of the invention, by arrangingHigh-field electrode wire 106, earth electrode wire 107, high-field electrode line post 108, earth electrode connectTerminal 109, can simplify circuit, optimizes total, improves stability and the reliability of operation.
The tubular dielectric barrier discharge plasma propulsion plant of fifth embodiment of the invention, in order to reachThe object of brief description, in above-mentioned arbitrary embodiment, any technical characterictic of making same application is narrated allAnd in this, without repeating again identical narration.
This tubular dielectric barrier discharge plasma propulsion plant also comprises solar cell, and its connection is highVoltage source 103 also provides electric energy for high voltage source 103.
The tubular dielectric barrier discharge plasma propulsion plant of fifth embodiment of the invention, when for flyingWhen ship, provided the electric energy of consumption by solar cell, do not need to carry fuel, can realize dirigibleThe long-term sky of staying.
So far, by reference to the accompanying drawings the present embodiment be have been described in detail. Describe according to above, thisThose skilled in the art should have tubular dielectric barrier discharge plasma propulsion plant of the present inventionClearly understanding.
It should be noted that, in accompanying drawing or description text, the implementation that does not illustrate or describe,Under being, form known to a person of ordinary skill in the art in technical field, is not elaborated. In addition,The above-mentioned definition to each element is not limited in the various concrete structures, shape or the side that in embodiment, mentionFormula, those of ordinary skill in the art can change simply or replace it, for example:
(1) tubular construction can also be selected the structure of other shapes;
(2) the direction term of mentioning in embodiment, for example " on ", D score, 'fornt', 'back', " left side "," right side " etc., is only the direction with reference to accompanying drawing, is not used for limiting the scope of the invention;
(3) above-described embodiment can be based on design and the consideration of reliability, being mixed with each other collocation use orUse with other embodiment mix and match, the technical characterictic in different embodiment can independent assortment shapeBecome more embodiment.
In sum, tubular dielectric barrier discharge plasma propulsion plant of the present invention, its structure letterSingle compact, lightweight, low cost of manufacture; There is no moving component, thereby response is rapid and reliability is high;By controlling voltage and the frequency of high voltage source, intensity and the merit of plasma excitation can be set flexiblyConsumption, the thrust size that accurately control produces, in the time that it is applied to dirigible, can realize dirigible motion speedThe accurate control of degree; And be the direction of capable of regulating thrust by the axis direction of adjusting tubular construction,In the time that it is applied to dirigible, can realize controlling flexibly and accurately of the dirigible direction of motion, by solar energyBattery provides the electric energy of consumption, does not need to carry fuel, can realize the long-term sky of staying of dirigible.
Above-described specific embodiment, carries out object of the present invention, technical scheme and beneficial effectFurther description, institute it should be understood that the foregoing is only specific embodiments of the invention and, be not limited to the present invention, within the spirit and principles in the present invention all, any repairing of doingProtection scope of the present invention changes, be equal to replacement, improvement etc., within all should be included in.
Claims (10)
1. a tubular dielectric barrier discharge plasma propulsion plant, is characterized in that, comprising: NLayer tubular construction and high voltage source (103), wherein,
Every layer of tubular construction comprises dielectric cylinder (100), and interlaced arrangement is at described dielectricM layer high-field electrode (101) and the M layer earth electrode (102) of cylinder two sides, described high-field electrode(101) be connected described high voltage source (103), wherein adjacent two layers high pressure with earth electrode (102)Electrode (101) and earth electrode (102) composition dielectric barrier discharge plasma driver, wherein,1≤N≤100，1≤M≤100。
2. tubular dielectric barrier discharge plasma propulsion plant as claimed in claim 1, its spyLevy and be, be provided with insulating materials in the side of the described dielectric cylinder that is furnished with described earth electrode(104), described insulating materials (104) covers described earth electrode (102).
3. tubular dielectric barrier discharge plasma propulsion plant as claimed in claim 1, its spyLevy and be, also comprise:
Stay pipe (105), described tubular construction has K group through hole, and every group of through hole comprises along tubular to be tiedL the through hole that structure circumferentially distributes, every group of L lead to the hole site correspondence of described N layer tubular construction,Form K × L sequence of through holes, described stay pipe (105) runs through and is fixed in described sequence of through holes,Support fix N layer cylindrical structure, wherein, 2≤K≤5,2≤L≤10.
4. tubular dielectric barrier discharge plasma propulsion plant as claimed in claim 1, its spyLevy and be, also comprise:
High-field electrode wire (106), earth electrode wire (107), high-field electrode line post (108),Earth electrode line post (109), described high-field electrode line post (108) and earth electrode line post(109) pass by the middle of described stay pipe (105), described high-field electrode wire (106) is by instituteThe high-field electrode (101) of stating every layer of tubular construction links together, and is connected to described high-field electrodeLine post (108), then be connected to the high-pressure side of described high voltage source; Described earth electrode wire (107)The earth electrode of described every layer of tubular construction (102) is linked together, and be connected to described ground connectionElectrode connecting line post (109), then be connected to the earth terminal of described high voltage source.
5. tubular dielectric barrier discharge plasma propulsion plant as claimed in claim 1, its spyLevy and be, also comprise:
Solar cell, it connects described high voltage source (103) and is described high voltage source (103)Electric energy is provided.
6. tubular dielectric barrier discharge plasma propulsion plant as claimed in claim 1, its spyLevy and be:
The cross section of described tubular construction is circle, quadrangle or polygon; And/or described tubular constructionCross-sectional area in axial direction remain unchanged, gradually increase or dwindle gradually.
7. tubular dielectric barrier discharge plasma propulsion plant as claimed in claim 1, its spyLevy and be:
The axial length of described N layer tubular construction all identical, part is identical or entirely not identical; With/Or described N layer tubular construction arranges with one heart, all or part of tubular construction axis misalignment certain distance flatRow arranges; And/or the end of described N layer tubular construction is being axially aligned setting or is axially staggering oneSet a distance arranges.
8. tubular dielectric barrier discharge plasma propulsion plant as claimed in claim 1, its spyLevy and be, described dielectric cylinder and insulating materials are polytetrafluoroethylene (PTFE), quartz glass or ceramic material.
9. tubular dielectric barrier discharge plasma propulsion plant as claimed in claim 1, its spyLevy and be, the material of described high-field electrode and earth electrode is copper, tungsten, molybdenum or stainless steel.
10. tubular dielectric barrier discharge plasma propulsion plant as claimed in claim 1, its spyLevy and be, the output waveform of described high voltage source is sine wave, square wave or sawtooth waveforms.
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| CN201610112218.5A CN105592618B (en) | 2016-02-29 | 2016-02-29 | A kind of tubular dielectric barrier discharge plasma propulsion device |
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| CN201610112218.5A CN105592618B (en) | 2016-02-29 | 2016-02-29 | A kind of tubular dielectric barrier discharge plasma propulsion device |
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| CN108189997A (en) * | 2017-12-29 | 2018-06-22 | 南京航空航天大学 | Stratospheric airship ion wind electric propulsion device |
| CN110572924A (en) * | 2019-08-15 | 2019-12-13 | 大连理工大学 | Plasma system for rolling fruit and vegetable surface microorganism control |
| CN111617716A (en) * | 2020-06-09 | 2020-09-04 | 常州大学 | Metal honeycomb type plasma discharge reactor |
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| CN111617716A (en) * | 2020-06-09 | 2020-09-04 | 常州大学 | Metal honeycomb type plasma discharge reactor |
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| CN105592618B (en) | 2018-12-07 |
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