CN103912466B - A kind of electrical fluid power propeller - Google Patents
A kind of electrical fluid power propeller Download PDFInfo
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- CN103912466B CN103912466B CN201410140861.XA CN201410140861A CN103912466B CN 103912466 B CN103912466 B CN 103912466B CN 201410140861 A CN201410140861 A CN 201410140861A CN 103912466 B CN103912466 B CN 103912466B
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Abstract
A kind of electrical fluid power propeller, including contracting nozzle；Contracting nozzle is connected with Tong Bu multi-stage accelerator, the inlet end synchronizing multi-stage accelerator is fixed with the positive and negative plasma generator of alternation, the outer rim of the positive and negative plasma generator of alternation sets gripper shoe, connecting plate is positioned at inside gripper shoe, and the hollow connecting plate of adjacent two layers connecting plate and correspondence surrounds air flow channel；Circular ring electrode connects ground connection by electric wire by high frequency pulse power supply；The positive and negative plasma emission unit of alternation is set in installing hole；High-frequency and high-voltage point electrode forms corona discharge with high frequency round loop electrode, and the plasma of the positive and negative plasma emission unit body of alternation is ejected；Plasma enters Tong Bu multi-stage accelerator with after the blending of air flow channel leaked-in air, and charged particle and air after the acceleration of synchronized multi-stage accelerator will enter contracting nozzle, and contracting nozzle sprays after accelerating；Overcome High Temperature High Pressure bottleneck, it is achieved the flight of empty sky, there is higher specific impulse and propulsive efficiency, reduce propellant mass。
Description
Technical field
The invention belongs to field of aerospace technology, be specifically related to a kind of electrical fluid power propeller。
Background technology
In current propeller field, traditional solid propellant rocket and the propulsive efficiency of liquid-propellant rocket engine are on the low side, and entrained propellant mass is big, and payload is less than normal；The aircraft engines such as traditional whirlpool spray, turbofan cannot realize the flight of sky sky, and there is the bottleneck problems such as High Temperature High Pressure；The new concept engine such as punching engine and pulse-knocking engine also cannot realize the flight of sky sky；Although the new electrofluid propeller proposed and mhd thruster ratio are leapt high, but are also not appropriate for the flight in air。Therefore develop a kind of new Push Technology with high-energy utilization rate to fly to realize sky sky, to promoting that aerospace development has important future in engineering applications and practical significance。
Electrofluid Push Technology aspect, abroad did a lot of research and trial。Wherein EHD(electrofluid advances) air pump achieves the acceleration in air to air, but acceleration is on the low side。At present in disclosed foreign language literature, air pump makes air start acceleration be difficult to more than 10M/S from static under mark condition, the efficiency of its single-stage pump all below 10%, the trend that the efficiency of multistage pump tapers off along with the increase of progression。Structure causing EHD(electrofluid advance) the air efficiency of pump is relatively low, and thrust reason less than normal is in that ionization and accelerates not carry out the separation of function, i.e. ionization and accelerate to carry out in the same area。This structure makes the noncontinuous electrode spacing that ionization is required, and the long acceleration distance that big voltage gradient is required with acceleration, small voltage gradient is conflicting, thus causing the inefficient of whole system, thrust is less than normal。
At home, patent of invention [201010107194.7] discloses a kind of high-frequency and high-voltage single electrode plasma propeller as spacecraft auxiliary propulsion, this propeller structure is simple, ratio is leapt high, but it is suitable only for the auxiliary propulsion of exoatmosphere spacecraft, and thrust is less, it is not suitable as the major impetus of sky sky flight。
Two critical bottlenecks finding electric propulsion technology by substantial amounts of research are that thrust is little, and efficiency is low。Patent of the present invention solves above two technical bottlenecks by designing unique positive and negative plasma generator of alternation and synchronization multi-stage accelerator, it is thus achieved that a kind of novel propeller based on electrohydrodynamics。This propeller has three kinds of mode of operations needs corresponding to low latitude, near space and three kinds of working environments of space, is the propeller of a kind of re-entry space vehicle with extensive adaptive capacity truly。
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of electrical fluid power propeller, overcome the High Temperature High Pressure bottleneck existed in prior art, it is achieved the flight of empty sky, there is higher specific impulse and propulsive efficiency, reduce propellant mass。
To achieve these goals, the technical solution used in the present invention is: a kind of electrical fluid power propeller, including alternation kation anion generator, synchronizes multi-stage accelerator and contracting nozzle three part；Contracting nozzle is connected with Tong Bu multi-stage accelerator, the inlet end synchronizing multi-stage accelerator is fixed with the positive and negative plasma generator of alternation, the outer rim of the positive and negative plasma generator of alternation is provided with gripper shoe, connecting plate is positioned at inside gripper shoe, it is divided into five layers from the inside to the outside, connecting plate is hollow circular plate, is connected by equally distributed four pieces of hollow connecting plates between layers, and the runner that four pieces of hollow connecting plates of adjacent two layers connecting plate and correspondence surround is air flow channel；
Described synchronization multi-stage accelerator is made up of bolt fitting holes, synchronization multi-stage accelerator unit, accelerator tube wall, ground connection, electric wire and high frequency pulse power supply；Four bolt fitting holes are corresponding with the position of the screw hole of the positive and negative plasma generator of alternation；Accelerator tube wall is divided into inside and outside two-layer, is cavity between ectonexine；Synchronize multi-stage accelerator unit to be made up of circular ring electrode and insulant；Circular ring electrode is connected with high frequency pulse power supply by electric wire；Insulant is filled in the cavity of whole accelerator tube wall, is kept apart by every one-level circular ring electrode；High frequency pulse power supply is arranged on the outside synchronizing multi-stage accelerator, and by ground connection ground connection；
The positive and negative plasma generator of described alternation is made up of screw hole, gripper shoe, the positive and negative plasma emission unit of alternation, air flow channel and connecting plate；The positive and negative plasma generator of alternation is connected with the front end of Tong Bu multi-stage accelerator by the annular backup pad of its outer rim；Four screw holes run through gripper shoe and are uniformly distributed on the supporting plate；The positive and negative plasma emission unit of alternation it is provided with in installing hole in connecting plate。
The positive and negative plasma emission unit of described alternation, is made up of electric wire, high frequency round loop electrode, insulant, plasma emission unit body and high-frequency and high-voltage point electrode；Described electric wire is divided into two-way, and wherein a road is connected with high frequency round loop electrode, and another road is connected with high-frequency and high-voltage point electrode, and there is a circular hole in described plasma emission unit body bottom centre；High-frequency and high-voltage point electrode is a needle-like metal body, the butt end cylindrical section of needle-like metal body is fixed on the center of insulant, and taper end pointed cone section is passed bottom centre's circular hole of plasma emission unit body and makes the tip of pointed cone stretch into the inside of plasma emission unit body；High frequency round loop electrode is nested in the butt end cylindrical section surrounding of high-frequency and high-voltage point electrode, has insulant to intercept and wrap up between high frequency round loop electrode and high-frequency and high-voltage point electrode；
Described installing hole totally 126, from centre to outer rim, the installing hole quantity of each layer respectively 6,14,26,34 and 46, closely arrange between installing hole and installing hole。
The hollow cavity of described hollow connecting plate and connecting plate is used for installing external circuits, and circuit is connected with high frequency pulse power supply and is that the positive and negative plasma emission unit of alternation is powered。
The interior sidewall surface of described outermost connecting plate and gripper shoe is welded to connect；
Described plasma emission unit body is a flat cylindrical shape。
Described high frequency round loop electrode is a circular ring metal body。
The cross section of fluid channel of described contracting nozzle is for shrinking shape taper seat, and gas feed cross section is circular, and diameter is relatively large, and outlet is also circular, and diameter is relatively small。
The gas inlet end of described contracting nozzle is passed through to be weldingly connected with the gas outlet end of Tong Bu multi-stage accelerator。
Kation anion generator utilizes the high voltage of alternation to produce positive and negative (electric charge) plasma alternately, and plasma and air are uniformly blended；Synchronizing multi-stage accelerator for having the air of plasma to accelerate step by step by blending, the counteracting force accelerating air generation promotes propeller to travel forward；Plasma after acceleration and air are blended by contracting nozzle, make electric neutrality rectification and acceleration further；Last neutral air has sprayed angle of rake function and purpose from contracting nozzle end。
A kind of electric plating propulsion device of the present invention, the bit interleaving change of high-frequency and high-voltage point electrode 13 and high frequency round loop electrode 10 energized phase by controlling the positive and negative plasma emission unit 6 of alternation, make between two-plate, to form internal field and distort and formed corona discharge, form the alternating spray of the plasma with positive and negative charge；This plasma enters Tong Bu multi-stage accelerator 2 after uniformly blending with air, adjacent two high frequencies synchronizing multi-stage accelerator 2 accelerate to be formed between electrode 15 accelerating field corresponding with plasma charge therebetween, control each high frequency and accelerate the optimizing phase of electrode 15, form isoionic continuing to accelerate, lasting momentum and energy exchange is carried out with air neutral molecule about, thus realizing the acceleration to dilution air at whole accelerator plasma。
Beneficial effect: the present invention utilize electricity and on-fuel mode as the main energy source of propeller, have employed alternation formula non-neutral plasma generation technique, synchronize multistage speed technology and frequency matching technique, compared with existing aero engine technology, there is no rotatable parts, breach the bottleneck problems such as High Temperature High Pressure, propulsive efficiency and thrust-weight ratio are greatly improved, make the thrust-weight ratio of aero-engine from current 10 these orders of magnitude, be substantially increased 100 these orders of magnitude；Additionally this invention breach existing electric propulsion device exist thrust little, efficiency is low, it is impossible at technical barriers such as endoatmosphere uses, be applicable to aerospace field。
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention。
Fig. 2 is the structural representation of the positive and negative plasma generator of alternation。
Fig. 3 is the structural representation of the positive and negative plasma emission unit of alternation。
Fig. 4 is the structural representation synchronizing multi-stage accelerator。
Fig. 5 is the charged phase diagram of high frequency round loop electrode 10 and high-frequency and high-voltage point electrode 13。
In figure:
1. contracting nozzle；2. synchronize multi-stage accelerator；3. the positive and negative plasma generator of alternation；4. bolt fitting holes；5. gripper shoe；6. the positive and negative plasma emission unit of alternation；7. air flow channel；8. connecting plate；9. electric wire；10. high frequency round loop electrode；11. insulant；12. the positive and negative plasma emission unit body of alternation；13. high-frequency and high-voltage point electrode；14. bolt fitting holes；15. synchronize multi-stage accelerator unit；16. accelerator tube wall；17. ground connection 18. electric wire；19. high frequency pulse power supply。
Detailed description of the invention
It is described in further detail below in conjunction with the accompanying drawing structural principle to the present invention and operation principle。
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5,
The present embodiment is a kind of propeller that can be used for re-entry space vehicle, including contracting nozzle 1, synchronizes multi-stage accelerator 2, the positive and negative plasma generator of alternation 3, screw hole 4, gripper shoe 5, alternation positive and negative plasma emission unit 6, air flow channel 7, connecting plate 8, electric wire 9, high frequency round loop electrode 10, insulant 11, the positive and negative plasma emission unit body 12 of alternation, high-frequency and high-voltage point electrode 13, bolt fitting holes 14, synchronization multi-stage accelerator unit 15, accelerator tube wall 16, ground connection 17, electric wire 18, high frequency pulse power supply 19。
Referring to Fig. 1,2, the positive and negative plasma generator of described alternation 3 is made up of screw hole 4, gripper shoe 5, the positive and negative plasma emission unit 6 of alternation, air flow channel 7 and connecting plate 8。Described gripper shoe 5 is an annular slab, it is positioned at the outer rim of the positive and negative plasma generator 3 of alternation, for supporting the positive and negative plasma generator 3 of whole alternation, and it is connected to the front end synchronizing multi-stage accelerator 2, rising and support and interconnection function, the external diameter of gripper shoe 5 is between 40～3000mm, and the present embodiment is 100mm, the internal diameter of gripper shoe 5 is between 30～2700mm, and the present embodiment is 80mm。Described screw hole 4 totally four, runs through gripper shoe 5 and is distributed uniformly in gripper shoe 5, and screw hole 4 synchronizes the inlet end of multi-stage accelerator 2 for being fixed on by positive and negative for alternation plasma generator 3。Described connecting plate 8 is positioned at inside gripper shoe 5, it is divided into five layers from the inside to the outside, every layer is all hollow circular plate, connected by equally distributed four pieces of hollow connecting plates between layers, the runner that four pieces of hollow connecting plates of adjacent two layers hollow circular plate and correspondence surround is air flow channel 7, the interior sidewall surface of outermost layer annular slab and gripper shoe 5 is welded and fixed, and connecting plate 8 has installing hole for installing the positive and negative plasma emission unit 6 of alternation。Described installing hole totally 126, from centre to outer rim, the installing hole quantity of each layer respectively 6,14,26,34 and 46, closely arrange between installing hole and installing hole。
The hollow cavity of described hollow connecting plate 20 and connecting plate 8 is used for installing external circuits, hollow connecting plate and hollow circular plate and also acts as supporting role。Described circuit is connected with high frequency pulse power supply and is that the positive and negative plasma emission unit 6 of alternation is powered。Described air flow channel 7 is that air enters whole angle of rake entrance, also functions to the effect of rectification simultaneously。
Referring to, 2,3, the positive and negative plasma emission unit 6 of described alternation, it is made up of electric wire 9, high frequency round loop electrode 10, insulant 11, plasma emission unit body 12 and high-frequency and high-voltage point electrode 13, is used for exciting positive and negative plasma。Described electric wire 9 is divided into two-way, and wherein a road is connected with high frequency round loop electrode 10, and another road is connected with high-frequency and high-voltage point electrode 13, and electric wire 9 is the energy source of positive and negative plasma emission unit 6 work of alternation。Described plasma emission unit body 12 is a flat cylindrical shape, the height of cylinder is between 3～45mm, the present embodiment is 12mm, internal diameter is 2～45mm, the present embodiment is 6mm, wall thickness is 0.2～2mm, and the present embodiment is 0.7mm, and there is a circular hole in the bottom centre at flat cylinder for installing high-frequency and high-voltage point electrode 13。Described high-frequency and high-voltage point electrode 13 is a needle-like metal body, the butt end cylindrical section of needle-like metal body is fixed on the center of insulant 11, taper end pointed cone section is passed bottom centre's circular hole of plasma emission unit body 12 and makes the tip of pointed cone stretch into the inside of plasma emission unit body 12, butt end external diameter is 0.3～5mm, the present embodiment is 1mm, whole high-frequency and high-voltage point electrode 13 length is 3～45mm, and the present embodiment is 10mm。Described high frequency round loop electrode 10 is a circular ring metal body。Described circular ring metal body is nested in the butt end cylindrical section surrounding of high-frequency and high-voltage point electrode 13, and the external diameter of circular ring metal body is 1.8～40mm, and the present embodiment is 6mm, and internal diameter is 0.8～12mm, and the present embodiment is 2mm。Insulant 11 is had to intercept and wrap up between described high-frequency and high-voltage point electrode 13 and high frequency round loop electrode 10。
Referring to Fig. 1,4, described synchronization multi-stage accelerator 2 is between the positive and negative plasma generator 3 of contracting nozzle 1 and alternation, it is made up of bolt fitting holes 14, synchronization multi-stage accelerator unit 15, accelerator tube wall 16, ground connection 17, electric wire 18 and high frequency pulse power supply 19, for accelerating plasma and driving air to accelerate backward together to form thrust forward。Described bolt fitting holes 14 totally four, corresponding with the position of the screw hole 4 of the positive and negative plasma generator of alternation 3, for positive and negative for alternation plasma generator 3 being fixed on synchronization multi-stage accelerator 2。Described accelerator tube wall 16 is divided into inside and outside two-layer, is cavity between ectonexine, and the diameter of outer layer wall is 40～3000mm, and the present embodiment is 100mm, and the diameter of internal layer wall is 30～2700mm, and the present embodiment is 80mm。It is cavity between described ectonexine wall, is used for synchronization multi-stage accelerator unit 15 and circuit thereof are installed。Described synchronization multi-stage accelerator unit 15 is made up of circular ring electrode and insulant, and circular ring electrode is connected by electric wire 18 and high frequency pulse power supply 19。The inside and outside two-layer wall of the diameter of described circular ring electrode and accelerator tube wall 16 adapts, and is namely between two-layer wall, meets the needs of insulation simultaneously。Distance between described synchronization multi-stage accelerator unit 15, namely the distance between level and level is 3～300mm, and the present embodiment is 40mm, and the electric potential difference of inter-stage is 5～30000V, the present embodiment is 5～8000V, and the size variation of inter-stage electric potential difference is used for regulating angle of rake thrust。
Described electric wire 18 is connected synchronizing multi-stage accelerator unit 15 synchro source corresponding to high frequency pulse power supply 19。Described insulant is filled in the cavity of whole accelerator tube wall 16, and is kept apart by every one-level circular ring electrode。Described high frequency pulse power supply 19 is arranged on the outside synchronizing multi-stage accelerator 2, and by ground connection 17 ground connection。
The cross section of fluid channel of described contracting nozzle 1 is for shrinking shape taper seat, and gas feed cross section is circular, and diameter is relatively large, and outlet is also circular, and diameter is relatively small, and the inlet diameter of the present embodiment is 80mm, and outlet diameter is 65mm。The gas inlet end of described contracting nozzle 1 is passed through to be weldingly connected with the gas outlet end of Tong Bu multi-stage accelerator 2, and contracting nozzle 1 can further speed up passing through the gas after synchronization multi-stage accelerator 2 accelerates。
Referring to Fig. 5, a kind of electric plating propulsion device is so work: starting high frequency pulse power supply 19, the positive and negative plasma emission unit 6 of all alternations of the positive and negative plasma generator of alternation 3 all will obtain the pulse voltage shown in Fig. 5, wherein voltage U1Being carried on high-frequency and high-voltage point electrode 13, voltage is 3000～60000V, and the present embodiment is 7000V, U2Being carried on high frequency round loop electrode 10, voltage is 3000～60000V, and the present embodiment is 7000V。0～t as shown in Figure 51Moment; high-frequency and high-voltage point electrode 13 is with the positive voltage of 7000V; high frequency round loop electrode 10 is with the negative voltage of 7000V; high-frequency and high-voltage point electrode 13 and high frequency round loop electrode 10 will form corona discharge; bottom at alternation positive and negative plasma emission unit body 12 is constantly accumulated and is formed certain concentration by the plasma of the positively charged that electric discharge produces, and insulant 11 will not puncture between protection high frequency round loop electrode 10 and high-frequency and high-voltage point electrode 13；At t1～t2Moment, on high-frequency and high-voltage point electrode 13 with voltage be 0V's, high frequency round loop electrode 10 is with the positive voltage of 7000V, and within this time period, corona discharge terminates, and the plasma of the positively charged of the bottom accumulation of the positive and negative plasma emission unit body 12 of alternation is ejected；At t2～t3Moment, high-frequency and high-voltage point electrode 13 is with the negative voltage of 7000V, high frequency round loop electrode 10 is with the positive voltage of 7000V, high-frequency and high-voltage point electrode 13 and high frequency round loop electrode 10 will form corona discharge, and the bottom at alternation positive and negative plasma emission unit body 12 is constantly accumulated and forms certain concentration by the electronegative plasma that electric discharge produces；At t3～t4Moment, on high-frequency and high-voltage point electrode 13 with voltage be 0V's, high frequency round loop electrode 10 is with the negative voltage of 7000V, within this time period, corona discharge terminates, the electronegative plasma of the bottom accumulation of alternation positive and negative plasma emission unit body 12 is ejected, so moving in circles, the positive and negative plasma generator of alternation 3 just can constantly eject the plasma with like charges according to required frequency and plasma ion concentration, and the frequency of the present embodiment is 10～2000HZ。The plasma of described alternation positive and negative plasma generator 3 ejection enters Tong Bu multi-stage accelerator 2 with after the blending of air flow channel 7 leaked-in air。Described every level synchronization multi-stage accelerator unit 15 is all connected with high frequency pulse power supply 19, and it is loaded with pulse voltage, pulse voltage constantly circulated using positive voltage, no-voltage, negative voltage, no-voltage as a cycle, and adjacent two-stage synchronizes 1/4 cycle of voltage phase difference that multi-stage accelerator unit 15 is loaded。Described every level synchronization multi-stage accelerator unit 15 forms an equipotential surface when charged。Then forming accelerating field between described equipotential surface, accelerating field makes plasma accelerate and drives air to accelerate together, and the counteracting force accelerating plasma generation defines propeller thrust forward。The pulse repetition frequency loaded on described synchronization multi-stage accelerator unit 15 matches with the electric voltage frequency of loading on the positive and negative plasma emission unit 6 of alternation。The frequency of the pulse voltage loaded on described synchronization multi-stage accelerator unit 15 is more high, and the pressure reduction between pulse generating positive and negative voltage is more big, and angle of rake thrust is more big。Charged particle and air after the acceleration of synchronized multi-stage accelerator 2 will enter contracting nozzle 1, to in occurring in contracting nozzle 1 with the plasma of different electric charges and reaction, form neutral air molecule and accelerate in contracting nozzle 1 together with other air, finally spraying from contracting nozzle 1 exit。
Claims (10)
1. an electrical fluid power propeller, including alternation kation anion generator (3), synchronize multi-stage accelerator (2) and contracting nozzle (1) three part, it is characterized in that, contracting nozzle (1) is connected with Tong Bu multi-stage accelerator (2), and the inlet end synchronizing multi-stage accelerator (2) is fixed with the positive and negative plasma generator of alternation (3)；The outer rim of the positive and negative plasma generator of alternation (3) is provided with gripper shoe (5), connecting plate (8) is positioned at gripper shoe (5) inner side, connecting plate (8) is hollow circular plate, and connecting plate is connected by equally distributed hollow connecting plate (20) between layers；The runner that the hollow connecting plate (20) of adjacent two layers connecting plate (8) and correspondence surrounds is air flow channel (7)；
Described synchronization multi-stage accelerator (2) is made up of bolt fitting holes (14), synchronization multi-stage accelerator unit (15), accelerator tube wall (16), ground connection (17), electric wire (18) and high frequency pulse power supply (19), accelerator tube wall (16) is divided into inside and outside two-layer, is cavity between ectonexine；Synchronize multi-stage accelerator unit (15) to be made up of circular ring electrode and insulant, circular ring electrode is connected with high frequency pulse power supply (19) by electric wire (18), insulant is filled in the cavity of whole accelerator tube wall (16), is kept apart by every one-level circular ring electrode；High frequency pulse power supply (19) is arranged on the outside synchronizing multi-stage accelerator (2), and by ground connection (17) ground connection；
The positive and negative plasma generator of described alternation (3) is by screw hole (4), gripper shoe (5), the positive and negative plasma emission unit (6) of alternation, air flow channel (7) and connecting plate (8) composition, the positive and negative plasma generator of alternation (3) is connected with the front end of Tong Bu multi-stage accelerator (2) by the annular backup pad (5) of its outer rim, four screw holes (4) are run through gripper shoe (5) and are uniformly distributed in gripper shoe (5), the positive and negative plasma emission unit (6) of alternation it is provided with in installing hole in connecting plate (8)。
2. a kind of electrical fluid power propeller according to claim 1, it is characterized in that, the positive and negative plasma emission unit (6) of described alternation, is made up of electric wire (9), high frequency round loop electrode (10), insulant (11), plasma emission unit body (12) and high-frequency and high-voltage point electrode (13)；Described electric wire (9) is divided into two-way, and wherein a road is connected with high frequency round loop electrode (10), and another road is connected with high-frequency and high-voltage point electrode (13), and there is a circular hole in described plasma emission unit body (12) bottom centre；High-frequency and high-voltage point electrode (13) is a needle-like metal body, the butt end cylindrical section of needle-like metal body is fixed on the center of insulant (11), and taper end pointed cone section is passed bottom centre's circular hole of plasma emission unit body (12) and makes the tip of pointed cone stretch into the inside of plasma emission unit body (12)；High frequency round loop electrode (10) is nested in the butt end cylindrical section surrounding of high-frequency and high-voltage point electrode (13), has insulant (11) to intercept and wrap up between high frequency round loop electrode (10) and high-frequency and high-voltage point electrode (13)。
3. a kind of electrical fluid power propeller according to claim 1 and 2, it is characterized in that, described installing hole totally 126, from centre to outer rim, the installing hole quantity of each layer respectively 6,14,26,34 and 46, closely arrange between installing hole and installing hole。
4. a kind of electrical fluid power propeller according to claim 1, it is characterized in that, the hollow cavity of described hollow connecting plate (20) and connecting plate (8) is used for installing external circuits, and circuit is connected with high frequency pulse power supply and is positive and negative plasma emission unit (6) power supply of alternation。
5. a kind of electrical fluid power propeller according to claim 1, it is characterised in that the interior sidewall surface of outermost connecting plate (8) and gripper shoe (5) is welded to connect。
6. a kind of electrical fluid power propeller according to claim 2, it is characterised in that described plasma emission unit body (12) is a flat cylindrical shape。
7. a kind of electrical fluid power propeller according to claim 2, it is characterised in that described high frequency round loop electrode (10) is a circular ring metal body。
8. a kind of electrical fluid power propeller according to claim 1, it is characterised in that the cross section of fluid channel of described contracting nozzle (1) is for shrinking shape taper seat, and gas feed cross section is circular, and diameter is relatively large, and outlet is also circular, and diameter is relatively small。
9. a kind of electrical fluid power propeller according to claim 1, it is characterised in that the gas inlet end of described contracting nozzle (1) is passed through to be weldingly connected with the gas outlet end of Tong Bu multi-stage accelerator (2)。
10. a kind of electrical fluid power propeller according to claim 1, it is characterised in that described connecting plate (8) is divided into five layers from the inside to the outside, and the quantity of hollow connecting plate (20) is four pieces。
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| CN102943751A (en) * | 2012-11-27 | 2013-02-27 | 中国人民解放军国防科学技术大学 | Quick-response direct force generating device |
| CN203809225U (en) * | 2014-04-10 | 2014-09-03 | 王文东 | Electrohydrodynamic propeller |
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| RO128535A2 (en) * | 2011-11-23 | 2013-06-28 | Universitatea Politehnica Din Bucureşti | Ionic propulsion system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6334302B1 (en) * | 1999-06-28 | 2002-01-01 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Variable specific impulse magnetoplasma rocket engine |
| CN1418290A (en) * | 2000-03-22 | 2003-05-14 | 塔莱斯电子设备有限公司 | Plasma accelerator arrangement |
| CN201162635Y (en) * | 2008-03-27 | 2008-12-10 | 复旦大学 | Dual-electrode solid pulsed plasma thruster |
| CN102374146A (en) * | 2010-08-09 | 2012-03-14 | 中国科学院微电子研究所 | Pulse laser plasma electric hybrid micro-propulsion device and method |
| CN102943751A (en) * | 2012-11-27 | 2013-02-27 | 中国人民解放军国防科学技术大学 | Quick-response direct force generating device |
| CN203809225U (en) * | 2014-04-10 | 2014-09-03 | 王文东 | Electrohydrodynamic propeller |
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