CN107816387A - A kind of three electrode is expanded discharge channel size device and is expanded the method for discharge channel size using the device - Google Patents

A kind of three electrode is expanded discharge channel size device and is expanded the method for discharge channel size using the device Download PDF

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Publication number
CN107816387A
CN107816387A CN201711003659.2A CN201711003659A CN107816387A CN 107816387 A CN107816387 A CN 107816387A CN 201711003659 A CN201711003659 A CN 201711003659A CN 107816387 A CN107816387 A CN 107816387A
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electrode
discharge channel
channel size
power supply
plasma
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唐井峰
孟繁星
李寄
于达仁
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Harbin Institute of Technology
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Harbin Institute of Technology
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02CGAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/26Starting; Ignition
    • F02C7/264Ignition
    • F02C7/266Electric

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Plasma Technology (AREA)

Abstract

A kind of three electrode is expanded discharge channel size device and is expanded the method for discharge channel size using the device, the present invention relates to engine art, specially a kind of method for expanding discharge channel size.The invention solves the small technical problem of plasmatorch igniter discharge range.Device includes plasma igniter, the 3rd electrode, plasma generator power supply, DC constant flowing power and compressed air source unit, first electrode and second electrode are wherein set inside plasma igniter, one output end of DC constant flowing power is connected with first electrode, another output end of DC constant flowing power is connected with second electrode, and plasma igniter is connected by pipeline with compressed air source unit;Method:First, DC constant flowing power and compressed air source unit switch are triggered, adjusts electric current and gas flow;2nd, plasma generator power supply switch is triggered, adjusts output parameter.The present invention can effectively expand discharge channel size.The present invention is used to expand discharge channel size.

Description

A kind of three electrodes are expanded discharge channel size device and discharged using device expansion logical The method of road size
Technical field
The present invention relates to engine art, specially a kind of method for expanding discharge channel size.
Background technology
Aircraft performance is constantly being lifted, thus the workability to aeroengine combustor buring room under high-altitude, high-speed condition Higher requirement can be proposed.Igniter used in existing aero-engine be direct current based on plasma jet Technology design etc. from Sub- torch lighter.This igniter is internally formed electric arc at it, electric arc heated gas, and then gas sprays at nozzle, so as to Form high temperature, the plasmatorch containing high energy electron.Combustion mixture is heated using the plasmatorch of ejection, carried simultaneously Increase reactive group for high energy electron, realize combustion mixture igniting and burning.But plasmatorch is utilized in high speed, high-altitude bar During part down-firing, discharge range is smaller, the of length no more than 3mm of stable discharging.Plasma influences combustion mixture and is limited in scope, The fiery core size that it is induced is smaller, and fiery core is difficult to from maintaining, igniting thus failure.It can thus be seen that it is logical how to expand electric discharge Road size, expand the zone of action of combustion mixture plasma, turn into the key for realizing igniting.
The content of the invention
The invention solves the small technical problem of plasmatorch igniter discharge range, and a kind of three electrodes expansion is provided and put Electric channel size device and the method for expanding discharge channel size using the device.
A kind of three electrodes expand discharge channel size device, including plasma igniter, the 3rd electrode, plasma occur First electrode and second electrode are set inside device power supply, DC constant flowing power and compressed air source unit, wherein plasma igniter,
One output end of DC constant flowing power is connected with first electrode, another output end of DC constant flowing power and the Two electrodes are connected, and plasma igniter is connected by pipeline with compressed air source unit;
In the axial location of plasma igniter nozzle direction, the 3rd electrode is set, the 3rd electrode and plasma igniter it Between be provided with gap, an output end of plasma generator power supply is connected with the 3rd electrode, plasma generator power supply Another output end is connected with second electrode.
Expand the method for discharge channel size device expansion discharge channel size using a kind of described three electrode, by following Step is carried out:
First, DC constant flowing power and compressed air source unit switch are triggered, and adjusts the DC current and source of the gas of DC constant flowing power The gas flow of device, form plasmatorch;
2nd, plasma generator power supply switch is triggered, adjusts the output parameter of plasma generator power supply;
When plasma generator power supply is Pulse excitated power supply, output parameter is:Pulse rise time value scope be 5~ 50ns, pulse width range are that 10~1000ns pulse recurrence rate value scopes are 0.1~10kHz, peak impulse voltage value scope For 1~60kV;
When plasma generator power supply is higher-order of oscillation excitation power supply, output parameter is:The higher-order of oscillation encourages repetitive rate For 0.3~10kHz, higher-order of oscillation Energizing cycle is 10~1000ns, and higher-order of oscillation excitation amplitude scope is 1~20kV.
The principle of the invention is:Continuous current excitation is added between columnar electrode and loop overlapping shape electrode and forms electric arc, by independent gas Source device provides gas by gap, and electric arc interacts to form plasmatorch with gas, and plasmatorch is blown to the external space the Between three electrodes and second electrode, and cause the air ionization between the electrode of the external space the 3rd and second electrode, encouraged in high-frequency impulse In the presence of, the air of ionization further ionizes, and into the plasma of large volume between final 3rd electrode and second electrode, expands The size of discharge channel.
The beneficial effects of the invention are as follows:Current value and gas of the invention by adjusting DC constant flowing power and compressed air source unit Flow, can obtain a series of sizes and plasmatorch that brightness changes;And opening plasma generator power supply can See from the light of plasmatorch to the white light beam that bright cluster electric arc composition is hauled the 3rd electrode.Discharge channel Size is effectively amplified, and amplifies 1.6~20 times.Pulse excitated power supply is closed, the white light beam of electric arc cluster composition disappears, said High-frequency and high-voltage electric field in the bright discharge process attached by the 3rd electrode has played key effect to electric discharge success or not.Close direct current Constant-current supply, plasmatorch also disappear simultaneously.
The present invention is used to expand discharge channel size.
Brief description of the drawings
Fig. 1 is a kind of structural representation of three electrode expansion discharge channel size device described in embodiment one;
Fig. 2 is electric discharge figure when the DC constant flowing power of embodiment three works independently;
Fig. 3 is electric discharge figure when the DC constant flowing power of embodiment three and higher-order of oscillation excitation power supply work together.
Embodiment
Technical solution of the present invention is not limited to the embodiment of act set forth below, in addition to each embodiment it Between any combination.
Embodiment one:Present embodiment three electrodes of one kind, which expand discharge channel size device, includes plasma ignition Device 1, the 3rd electrode 6, plasma generator power supply 7, DC constant flowing power 4 and compressed air source unit 5, wherein plasma igniter 1 Inside sets first electrode 2 and second electrode 3,
One output end of DC constant flowing power 4 is connected with first electrode 2, another output end of DC constant flowing power 4 It is connected with second electrode 3, plasma igniter 1 is connected by pipeline with compressed air source unit 5;
In the axial location of the nozzle direction of plasma igniter 1, the 3rd electrode 6, the 3rd electrode 6 and plasma ignition are set Gap is provided between device 1, an output end of plasma generator power supply 7 is connected with the 3rd electrode 6, plasma generator Another output end of power supply 7 is connected with second electrode 3.
Embodiment two:Present embodiment is unlike embodiment one:First electrode 2 be shaped as pin, Rod or tubulose.It is other identical with embodiment one.
Embodiment three:Present embodiment is unlike embodiment one or two:3rd electrode 6 is shaped as Pipe, ring or tabular.It is other identical with embodiment one or two.
Embodiment four:Unlike one of present embodiment and embodiment one to three:First electrode 2 with Second electrode 3 changes shell-like electrode for placed coaxial.It is other identical with one of embodiment one to three.
Embodiment five:Unlike one of present embodiment and embodiment one to four:3rd electrode 6 with The distance of the nozzle of plasma igniter 1 is 5~60mm.It is other identical with one of embodiment one to four.
Embodiment six:Unlike one of present embodiment and embodiment one to five:Direct current Constant Electric Current The negative pressure termination first electrode 2 in source 4, zero potential connect second electrode 3.It is other identical with one of embodiment one to five.
Embodiment seven:Expand discharge channel size device using the electrode of one kind three described in embodiment one Expand the method for discharge channel size, carry out according to the following steps:
First, trigger DC constant flowing power 4 and compressed air source unit 5 switchs, and the DC current for adjusting DC constant flowing power 4 is gentle The gas flow of source device 5, form plasmatorch;
2nd, triggering plasma generator power supply 7 switchs, and adjusts the output parameter of plasma generator power supply 7;
When plasma generator power supply 7 is Pulse excitated power supply, output parameter is:Pulse rise time value scope is 5 ~50ns, pulse width range are that 10~1000ns pulse recurrence rate value scopes are 0.1~10kHz, peak impulse voltage value model Enclose for 1~60kV;
When plasma generator power supply 7 is higher-order of oscillation excitation power supply, output parameter is:The higher-order of oscillation encourages repetitive rate For 0.3~10kHz, higher-order of oscillation Energizing cycle is 10~1000ns, and higher-order of oscillation excitation amplitude scope is 1~20kV.
Embodiment eight:Present embodiment is unlike embodiment seven:In step 1 in compressed air source unit 5 Gas is one or more of mixing in nitrogen, oxygen, helium and argon gas.It is other identical with embodiment seven.
Embodiment nine:Present embodiment is unlike embodiment seven or eight:Gas stream in step 1 Measure as 5~200SLM.It is other identical with embodiment seven or eight.
Embodiment ten:Unlike one of present embodiment and embodiment seven to nine:It is straight in step 1 The DC current values for flowing constant-current supply 4 are 1~500A.It is other identical with one of embodiment seven to nine.
Beneficial effects of the present invention are verified using following examples:
Embodiment one:
The present embodiment three electrodes of one kind expand discharge channel size device include plasma igniter 1, the 3rd electrode 6, etc. Plasma generator power supply 7, DC constant flowing power 4 and compressed air source unit 5, the wherein inside of plasma igniter 1 set first electrode 2 With second electrode 3, first electrode 2 changes shell-like electrode with second electrode 3 for placed coaxial;
One output end of DC constant flowing power 4 is connected with first electrode 2, another output end of DC constant flowing power 4 It is connected with second electrode 3, plasma igniter 1 is connected by pipeline with compressed air source unit 5;
In the axial location of the nozzle direction of plasma igniter 1, the 3rd electrode 6, the 3rd electrode 6 and plasma ignition are set Gap is provided between device 1, an output end of plasma generator power supply 7 is connected with the 3rd electrode 6, plasma generator Another output end of power supply 7 is connected with second electrode 3, and the distance of the 3rd electrode 6 and the nozzle of plasma igniter 1 is 40mm, The negative pressure termination first electrode 2 of DC constant flowing power 4, zero potential connect second electrode 3.
The present embodiment plasma generator power supply 7 is Pulse excitated power supply, and power supply one end is connected with second electrode, another End is connected with the 3rd electrode.
Expand the method for discharge channel size device expansion discharge channel size using a kind of described three electrode, by following Step is carried out:
First, triggering compressed air source unit 5 switchs, and gas is nitrogen in compressed air source unit 5, and it is 5~200SLM to control gas flow;Connect Logical DC constant flowing power 4, the DC current values of regulation DC constant flowing power 4 are 1~500A, form plasmatorch;Regulation is different Current value and gas flow, a series of sizes can be obtained and plasmatorch that brightness changes;
2nd, triggering plasma generator power supply 7 switchs, and plasma generator power supply 7 is Pulse excitated power supply, adjusts arteries and veins The output parameter for rushing excitation power supply is:Pulse rise time value scope is 5~50ns, and pulse width range is 10~1000ns arteries and veins It is 0.1~10kHz to rush repetitive rate value scope, and peak impulse voltage value scope is 1~60kV, it can be seen that from the bright of plasmatorch Light is to the white light beam that bright cluster electric arc composition is hauled between the 3rd electrode.
Pulse excitated power supply is closed, the white light beam of electric arc cluster composition disappears, and illustrates the 3rd electrode in the discharge process Attached high-frequency and high-voltage electric field has played key effect to electric discharge success or not.DC constant flowing power is closed, plasmatorch is also same When disappear.
The present embodiment DC constant flowing power provides negative pressure.
Embodiment two:
The present embodiment three electrodes of one kind expand discharge channel size device include plasma igniter 1, the 3rd electrode 6, etc. Plasma generator power supply 7, DC constant flowing power 4 and compressed air source unit 5, the wherein inside of plasma igniter 1 set first electrode 2 With second electrode 3, first electrode 2 changes shell-like electrode with second electrode 3 for placed coaxial;
One output end of DC constant flowing power 4 is connected with first electrode 2, another output end of DC constant flowing power 4 It is connected with second electrode 3, plasma igniter 1 is connected by pipeline with compressed air source unit 5;
In the axial location of the nozzle direction of plasma igniter 1, the 3rd electrode 6, the 3rd electrode 6 and plasma ignition are set Gap is provided between device 1, an output end of plasma generator power supply 7 is connected with the 3rd electrode 6, plasma generator Another output end of power supply 7 is connected with second electrode 3, and the distance of the 3rd electrode 6 and the nozzle of plasma igniter 1 is 40mm, The negative pressure termination first electrode 2 of DC constant flowing power 4, zero potential connect second electrode 3.
The present embodiment plasma generator power supply 7 is Pulse excitated power supply, and power supply one end is connected with second electrode, another End is connected with the 3rd electrode.
Expand the method for discharge channel size device expansion discharge channel size using a kind of described three electrode, by following Step is carried out:
First, connect plasma generator power supply 7 to switch, plasma generator power supply 7 is Pulse excitated power supply, adjusts arteries and veins The output parameter for rushing excitation power supply is:Pulse rise time value scope is 5~50ns, and pulse width range is 10~1000ns arteries and veins It is 0.1~10kHz to rush repetitive rate value scope, and peak impulse voltage value scope is 1~60kV;
Now produced without any electric discharge;
2nd, triggering compressed air source unit 5 switchs, and gas is nitrogen in compressed air source unit 5, and it is 5~200SLM to control gas flow;
3rd, connect DC constant flowing power 4, regulation DC constant flowing power 4 DC current values be 1~500A, formation etc. from Sub- torch;It can be seen that plasmatorch and plasmatorch and a series of the 3rd interelectrode filament-like discharges passages;Adjust current value and Gas flow, can obtain a series of sizes and plasmatorch that brightness changes.
Pulse excitated power supply is closed, the white light beam of electric arc cluster composition disappears, and illustrates the 3rd electrode in the discharge process Attached high-frequency and high-voltage electric field has played key effect to electric discharge success or not.DC constant flowing power is closed, plasmatorch is also same When disappear.
The present embodiment DC constant flowing power provides negative pressure.
Embodiment three:
The present embodiment three electrodes of one kind expand discharge channel size device include plasma igniter 1, the 3rd electrode 6, etc. Plasma generator power supply 7, DC constant flowing power 4 and compressed air source unit 5, the wherein inside of plasma igniter 1 set first electrode 2 With second electrode 3, first electrode 2 changes shell-like electrode with second electrode 3 for placed coaxial;
One output end of DC constant flowing power 4 is connected with first electrode 2, another output end of DC constant flowing power 4 It is connected with second electrode 3, plasma igniter 1 is connected by pipeline with compressed air source unit 5;
In the axial location of the nozzle direction of plasma igniter 1, the 3rd electrode 6, the 3rd electrode 6 and plasma ignition are set Gap is provided between device 1, an output end of plasma generator power supply 7 is connected with the 3rd electrode 6, plasma generator Another output end of power supply 7 is connected with second electrode 3, and the distance of the 3rd electrode 6 and the nozzle of plasma igniter 1 is 40mm, The negative pressure termination first electrode 2 of DC constant flowing power 4, zero potential connect second electrode 3.
The present embodiment plasma generator power supply 7 is higher-order of oscillation excitation power supply, the driving source one end and second electrode It is connected, the other end is connected with the 3rd electrode.
Expand the method for discharge channel size device expansion discharge channel size using a kind of described three electrode, by following Step is carried out:
First, triggering compressed air source unit 5 switchs, and gas is nitrogen in compressed air source unit 5, and it is 5~200SLM to control gas flow;Connect Logical DC constant flowing power 4, the DC current values of regulation DC constant flowing power 4 are 1~500A, form plasmatorch;Regulation is different Current value and gas flow, a series of sizes can be obtained and plasmatorch that brightness changes;
2nd, triggering plasma generator power supply 7 switchs, and plasma generator power supply 7 is higher-order of oscillation excitation power supply, adjusts Section frequency vibration swings excitation power supply output parameter and is:Higher-order of oscillation excitation repetitive rate is 0.3~10kHz, and higher-order of oscillation Energizing cycle is 10~1000ns, higher-order of oscillation excitation amplitude scope are 1~20kV, it can be seen that the light from plasmatorch to the 3rd electrode it Between haul the white light beam of bright cluster electric arc composition.
Pulse excitated power supply is closed, the white light beam of electric arc cluster composition disappears, and illustrates the 3rd electrode in the discharge process Attached high-frequency and high-voltage electric field has played key effect to electric discharge success or not.DC constant flowing power is closed, plasmatorch is also same When disappear.
The present embodiment DC constant flowing power provides negative pressure.The present embodiment compressed air source unit 5 is gas cylinder and pressure limiting valve.
Illustrated with the present embodiment, source of the gas selection is nitrogen in the experiment condition, and is swashed to 40SLM flow, direct current Encourage current value and give 11A, higher-order of oscillation driving voltage gives 9kV, and frequency gives 1kHz, and the single duration of oscillation gives 900ns.As continuous current excitation given value of current 11A, bright white direct-current discharge passage will be formed between ignitor, it is basic herein When upper addition driving voltage is 9kV high frequency pumping, obvious cluster purple filament-like discharges passage will be formed, such as Fig. 2 and Fig. 3 institutes Show.White discharge channel is that the filament-like discharges passage of purple is caused by ionized air caused by ionization nitrogen in figure.Contrast For two images it can be found that being worked compared to simple continuous current excitation, continuous current excitation and high frequency pumping associated working can expand white Nitrogen discharge passage, and produce obvious cluster purple discharge channel.Purple filament-like discharges passage be due to nitrogen flow to Caused by determining smaller value, to when being more than 100SLM, purple filament-like discharges passage translates into white filament-like discharges and led to equivalent flow Road.
Example IV:
The present embodiment three electrodes of one kind expand discharge channel size device include plasma igniter 1, the 3rd electrode 6, etc. Plasma generator power supply 7, DC constant flowing power 4 and compressed air source unit 5, the wherein inside of plasma igniter 1 set first electrode 2 With second electrode 3, first electrode 2 changes shell-like electrode with second electrode 3 for placed coaxial;
One output end of DC constant flowing power 4 is connected with first electrode 2, another output end of DC constant flowing power 4 It is connected with second electrode 3, plasma igniter 1 is connected by pipeline with compressed air source unit 5;
In the axial location of the nozzle direction of plasma igniter 1, the 3rd electrode 6, the 3rd electrode 6 and plasma ignition are set Gap is provided between device 1, an output end of plasma generator power supply 7 is connected with the 3rd electrode 6, plasma generator Another output end of power supply 7 is connected with second electrode 3, and the distance of the 3rd electrode 6 and the nozzle of plasma igniter 1 is 40mm, The negative pressure termination first electrode 2 of DC constant flowing power 4, zero potential connect second electrode 3.
The present embodiment plasma generator power supply 7 is higher-order of oscillation excitation power supply, the driving source one end and second electrode It is connected, the other end is connected with the 3rd electrode.
Expand the method for discharge channel size device expansion discharge channel size using a kind of described three electrode, by following Step is carried out:
First, triggering plasma generator power supply 7 switchs, and plasma generator power supply 7 is higher-order of oscillation excitation power supply, adjusts Section frequency vibration swings excitation power supply output parameter and is:Higher-order of oscillation excitation repetitive rate is 0.3~10kHz, and higher-order of oscillation Energizing cycle is 10~1000ns, higher-order of oscillation excitation amplitude scope are 1~20kV;
Now produced without any electric discharge;
2nd, triggering compressed air source unit 5 switchs, and gas is nitrogen in compressed air source unit 5, and it is 5~200SLM to control gas flow;Connect Logical DC constant flowing power 4, the DC current values of regulation DC constant flowing power 4 are 1~500A, form plasmatorch;Regulation is different Current value and gas flow, a series of sizes can be obtained and plasmatorch that brightness changes;
Pulse excitated power supply is closed, the white light beam of electric arc cluster composition disappears, and illustrates the 3rd electrode in the discharge process Attached high-frequency and high-voltage electric field has played key effect to electric discharge success or not.DC constant flowing power is closed, plasmatorch is also same When disappear.
The present embodiment DC constant flowing power provides negative pressure.The present embodiment compressed air source unit 5 is gas cylinder and pressure limiting valve.

Claims (10)

1. a kind of three electrodes expand discharge channel size device, it is characterised in that the device includes plasma igniter (1), the 3rd Electrode (6), plasma generator power supply (7), DC constant flowing power (4) and compressed air source unit (5), wherein plasma igniter It is (1) internal that first electrode (2) and second electrode (3) are set,
One output end of DC constant flowing power (4) is connected with first electrode (2), another output of DC constant flowing power (4) End is connected with second electrode (3), and plasma igniter (1) is connected by pipeline with compressed air source unit (5);
In the axial location of plasma igniter (1) nozzle direction, the 3rd electrode (6), the 3rd electrode (6) and plasma point are set Gap is provided between firearm (1), an output end of plasma generator power supply (7) is connected with the 3rd electrode (6), plasma Another output end of body generator power (7) is connected with second electrode (3).
2. a kind of three electrode according to claim 1 expands discharge channel size device, it is characterised in that first electrode (2) It is shaped as pin, rod or tubulose.
3. a kind of three electrode according to claim 1 expands discharge channel size device, it is characterised in that the 3rd electrode (6) It is shaped as pipe, ring or tabular.
4. a kind of three electrode according to claim 1 expands discharge channel size device, it is characterised in that first electrode (2) With second electrode (3) shell-like electrode is changed for placed coaxial.
5. a kind of three electrode according to claim 1 expands discharge channel size device, it is characterised in that the 3rd electrode (6) Distance with plasma igniter (1) nozzle is 5~60mm.
6. a kind of three electrode according to claim 1 expands discharge channel size device, it is characterised in that direct current Constant Electric Current The negative pressure termination first electrode (2) in source (4), zero potential connect second electrode (3).
7. expand the side of discharge channel size device expansion discharge channel size using a kind of three electrode described in claim 1 Method, it is characterised in that this method is carried out according to the following steps:
First, trigger DC constant flowing power (4) and compressed air source unit (5) switch, and adjust the DC current of DC constant flowing power (4) with The gas flow of compressed air source unit (5), form plasmatorch;
2nd, plasma generator power supply (7) switch, the output parameter of regulation plasma generator power supply (7) are triggered;
When plasma generator power supply (7) is Pulse excitated power supply, output parameter is:Pulse rise time value scope be 5~ 50ns, pulse width range are that 10~1000ns pulse recurrence rate value scopes are 0.1~10kHz, peak impulse voltage value scope For 1~60kV;
When plasma generator power supply (7) is higher-order of oscillation excitation power supply, output parameter is:The higher-order of oscillation excitation repetitive rate be 0.3~10kHz, higher-order of oscillation Energizing cycle are 10~1000ns, and higher-order of oscillation excitation amplitude scope is 1~20kV.
8. according to claim 7 expand discharge channel size device expansion discharge channel size using a kind of three electrode Method, it is characterised in that compressed air source unit (5) interior gas is the one or more in nitrogen, oxygen, helium and argon gas in step 1 Mixing.
9. according to claim 7 expand discharge channel size device expansion discharge channel size using a kind of three electrode Method, it is characterised in that gas flow is 5~200SLM in step 1.
10. according to claim 7 expand discharge channel size device expansion discharge channel size using a kind of three electrodes Method, it is characterised in that the DC current values of DC constant flowing power (4) are 1~500A in step 1.
CN201711003659.2A 2017-10-24 2017-10-24 A kind of three electrode is expanded discharge channel size device and is expanded the method for discharge channel size using the device Pending CN107816387A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110886657A (en) * 2019-10-30 2020-03-17 北京动力机械研究所 Plasma ignition system of air-breathing engine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1782345A (en) * 2004-02-10 2006-06-07 通用电气公司 Spark igniter of gas turbine engine
WO2009102907A2 (en) * 2008-02-12 2009-08-20 Foret Plasma Labs, Llc System, method and apparatus for lean combustion with plasma from an electrical arc
CN104285058A (en) * 2012-05-08 2015-01-14 罗森伯格高频技术有限及两合公司 High-frequency plasma ignition device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1782345A (en) * 2004-02-10 2006-06-07 通用电气公司 Spark igniter of gas turbine engine
WO2009102907A2 (en) * 2008-02-12 2009-08-20 Foret Plasma Labs, Llc System, method and apparatus for lean combustion with plasma from an electrical arc
CN104285058A (en) * 2012-05-08 2015-01-14 罗森伯格高频技术有限及两合公司 High-frequency plasma ignition device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
李寄等: "三电极等离子点火器激励参数的优化选择", 《节能技术》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110886657A (en) * 2019-10-30 2020-03-17 北京动力机械研究所 Plasma ignition system of air-breathing engine

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Application publication date: 20180320