CN105115920B - A kind of experimental system and method for testing imflammable gas ignition delay time - Google Patents
A kind of experimental system and method for testing imflammable gas ignition delay time Download PDFInfo
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- CN105115920B CN105115920B CN201510532351.1A CN201510532351A CN105115920B CN 105115920 B CN105115920 B CN 105115920B CN 201510532351 A CN201510532351 A CN 201510532351A CN 105115920 B CN105115920 B CN 105115920B
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Abstract
A kind of experimental system for testing imflammable gas ignition delay time, the air inlet for firing reaction vessel is connected with air steel cylinder, flammable gas cylinder, circulating pump respectively, the gas outlet for firing reaction vessel is connected with pressure vacuum ga(u)ge, vavuum pump, circulating pump respectively, fire and collimater is installed outside the glass vision panel of reaction vessel, the collimater for luminous flame to be converged to fibre-optical splice is sequentially connected one-to-two optical fiber, two spectrometers, photomultiplier and multichannel oscillograph.Method of testing is the air-tightness and pipeline connection that (1) checks the experimental system；(2) setting of spectrometer and oscillograph parameter；(3) premix imflammable gas is prepared；(4) imflammable gas is uniformly mixed；(5) gathered data of fighting is put；(6) waste gas is emptied.The system is safe and reliable, easy for installation, simple to operate, realizes accurately identifying for electric spark and Ignition Phenomena, can directly determine ignition delay time, effectively increases the degree of accuracy of ignition delay time measurement.
Description
Technical field
The present invention relates to the ignition delay time test experiments of imflammable gas, are specially a kind of test imflammable gas point
The experimental system and method for ignition delay time, it is widely used in the fields such as petrochemical industry, electric power, mining, transport and gas supply and is related to
Various imflammable gas explosive characteristics test and research.
Background technology
Imflammable gas has quite varied application in industrial production and daily life, is related to petrochemical industry, electric power, adopts
The multiple fields such as ore deposit, transport and gas supply, play the role of to social progress and economic development very important.It is but flammable
Property gas form in production, conveying, storage and easily explosive premixed gas after accidental release during utilizing, after running into incendiary source
Blast or fire incident will occur, cause casualties and property loss.Imflammable gas ignition delay time refers to combustibility
The inflammable and explosive mixed gas that gas and combustion adjuvant (air, oxygen etc.) are mixed to form, from igniting is started to going out in ignition Process
Time between existing combustion phenomena.Different fuel gas, in different methods of igniting, different equivalent proportions, different temperatures, pressure
Etc. under environmental condition, ignition delay time is also different.From the aspect of burn application and safety engineering two, test point is studied
The ignition delay time is very necessary.The igniting of fuel and stability and high efficiency combustion problem in research engine chamber or burner
When, the spark delay characteristic of fuel is exactly one of major issue.Ignition-delay period is that imflammable gas fires chain type chemical reaction
The important stage that chain triggers, ignition delay time are the important evidences for verifying combustion reaction mechanisms and chemical kinetics modeling.Separately
Outside, when incendiary source existence time is much smaller than ignition delay time, explosive mixed gas will be unable to be detonated, during firing delay
Between and important safety engineering Explosion-proof Design foundation.Therefore, the accurate test of imflammable gas ignition delay time is always
The focus of domestic and international association area research.
At present, in scientific experiment the method for testing of imflammable gas ignition delay time have it is a variety of, according to scientific research demand
It is different mainly otherwise varied in incendiary source form and recognition methods of catching fire.Wherein, using shock tube driving or high speed compressor
Moment compressing inflammable gas is lighted a fire, or imflammable gas is quickly filled with high temperature system and ignited, while utilizes monochromatic flame
It is relatively more that emission spectrum identifies that the method for Ignition Phenomena uses, and this method is used for fuel high-temperature high pressure self-ignition phenomenon
Research, constant-pressure and high-temperature igniting experiment test control difficulty it is larger, igniting the time started typically using pressure judge, precision is not
Height, whole experimental provision are relative complex.In addition, have using electrion electric spark or red-hot thermal source as incendiary source, research office
Portion's incendiary source ignites the process of imflammable gas, utilizes monochromatic flame emission spectrum, high speed camera, photodiode, dynamic to press
Power change etc. identifies whether to catch fire, but the difficult detection of the monochromatic spectrum that faint flame be present, and the presence of electric spark is to using optics side
Method judges electrode discharge halation and just combustion flame in the problems such as Ignition Phenomena can produce certain interference, such as high speed camera photo
Hardly possible is distinguished, and photodiode is difficult to luminous, the pressure acquisition essence synchronous with igniting initial time for differentiating electric spark and just combustion flame
Spend poor, and response speed is slower.Above-mentioned factor can all influence the degree of accuracy of ignition delay time test.
The content of the invention
It is an object of the invention to provide it is a kind of test imflammable gas ignition delay time experimental system and method, with
Solves above-mentioned technical problem.
The present invention uses following technical scheme to achieve the above object：
A kind of experimental system for testing imflammable gas ignition delay time, including：Fire reaction vessel, high-tension ignition
The scattered inlet duct of device, pressure vacuum ga(u)ge, vavuum pump, circulating pump, annular, collimater, one-to-two optical fiber, spectrometer, photoelectricity times
Increase pipe, multichannel oscillograph, air steel cylinder and flammable gas cylinder, firing the top hemispherical head of reaction vessel can pacify provided with two
The venting of dust explosion mouth of venting of dust explosion piece is filled, fires and an electrode is respectively provided with the top and bottom of reaction vessel, upper and lower two electrodes and high pressure
Igniter connects, and fires reaction container bottom and top further respectively has air inlet and gas outlet；Fire the air inlet of reaction vessel
Mouth is connected with air steel cylinder, flammable gas cylinder, circulating pump respectively, and air steel cylinder is provided with air bottle valve, and flammable gas cylinder is provided with
Combustible gas cylinder valve；The gas outlet for firing reaction vessel is connected with pressure vacuum ga(u)ge, vavuum pump, circulating pump respectively, vacuum pressure
Power meter is provided with pressure gauge valve, and vavuum pump is provided with vavuum pump valve, and circulating pump is provided with two circulation pump valves, air inlet be provided with into
Gas port valve；Fire and the scattered inlet duct of annular is provided with reaction vessel, the scattered inlet duct of annular is welded with airway tube, and leads
Tracheae is connected with air inlet；The side for firing reaction vessel is provided with glass vision panel, fires and pacifies outside the glass vision panel of reaction vessel
Collimater is filled, the collimater for luminous flame to be converged to fibre-optical splice is sequentially connected one-to-two optical fiber, two spectrometers, light
Electric multiplier tube and multichannel oscillograph.
As the further scheme of the present invention, diameter is made by internal diameter 0.4cm steel pipe in the scattered inlet duct of annular
For 18cm loop configuration, steel pipe surrounding is drilled with several micropores.
As the further scheme of the present invention, it is 20L to fire reaction vessel volume, and it is that draw ratio is 1 to fire reaction vessel:
1 cylinder is formed by connecting with top hemispherical head, and it is in integrally spheroid to fire reaction vessel, and top hemispherical head is anti-with firing
Container is answered to be connected using flange, detachably.
As the further scheme of the present invention, glass vision panel is circular, a diameter of 2.6cm, thickness of glass 3cm, and material is
Vitreous silica
As the further scheme of the present invention, electrode is located at the center for firing reaction vessel, the discharging gap of electrode
It is adjustable.
As the further scheme of the present invention, isolating high-pressure ignitor is provided with manual trigger switch, can produce high electric field pulse, put
Electric time 0-1000ms is adjustable, discharge frequency 100Hz, electric spark energy >=1J.
A kind of method for testing imflammable gas ignition delay time, included such as using the method for testing of above-mentioned experimental system
Lower step：
(1) air-tightness and pipeline connection of the experimental system are checked；
(2) setting of spectrometer and multichannel oscillograph parameter；
The stop position of two spectrometers is adjusted to pre-determined respectively and treats light-metering characteristic wavelength, electric spark will be identified
Characteristic wavelength radiation signal be set to oscilloscope signal collection trigger signal；
(3) premix imflammable gas is prepared；
Pressure gauge valve, vavuum pump valve and vavuum pump are opened, is evacuated down to 600Pa, closes vavuum pump and vacuum pump valve
Door；Combustible gas cylinder valve, air inlet valve are opened successively, observes precise vacuum pressure gauge registration, are filled with by partial pressure method required
Volume, air inlet valve, combustible gas cylinder valve are closed successively；Air bottle valve, air inlet valve are opened successively, fill into air
To 1 atmospheric pressure, air inlet valve, air bottle valve, pressure gauge valve are closed successively；
(4) imflammable gas is uniformly mixed；
Circulation pump valve, air inlet valve, circulating pump are opened successively, are treated that imflammable gas circulates 300 seconds, are closed follow successively
Ring pump, circulation pump valve, air inlet valve；
(5) gathered data of fighting is put；
Contact firearm button ignition switch is pressed manually, and ignitor produces flammable gas in electric spark and the quick-fried reaction vessel that ignites
Body, the automatic triggering collection characteristic wavelength light radiation relative intensity signal of oscillograph, afterwards by data storage, and analyze and calculate a little
The ignition delay time；
(6) waste gas is emptied；
Vavuum pump valve, pressure gauge valve, vavuum pump are opened successively, extracts unreacting gas and reaction product out, are opened empty
Gas cylinder valve, air inlet valve, air is filled into 1 atmospheric pressure, closes air inlet valve, air bottle valve, pressure gauge successively
Valve, experiment terminate.
A kind of method for testing imflammable gas ignition delay time, the step (2) is middle to be determined to treat light-metering characteristic wavelength
Method, using spectrometer and ICCD take the photograph spectrum camera gather simple electrion electric spark and flammable premixed gas respectively by optical fiber
The emission spectrum of body combustion flame, gather the optional 200~900nm of wave-length coverage, the spectrum spoke of the whole wave-length coverage of comparative analysis
After penetrating intensity, select electric spark and radiate stronger feature monochromatic light A, and Fire Radiation is relatively strong, electric spark radiates weaker feature
Monochromatic light B, respectively as the characteristic light of identification electric discharge electric spark and combustion flame.
A kind of method for testing imflammable gas ignition delay time, the middle analysis of the step (5) calculate firing delay
The method of time, draw characteristic wavelength light radiation relative intensity signal intensity curve, by detect double-colored optical radiation signal when
It is respectively defined as discharge igniting time instant τ quarteriWith ignition timing τc, then ignition delay time τ=τc-τi。
The beneficial effects of the invention are as follows：Premix imflammable gas is carried out as local incendiary source using electrion electric spark
When firing experiment, accurately identifying for electric spark and Ignition Phenomena is realized, ignition delay time can be directly determined, effectively increase
The degree of accuracy of ignition delay time measurement；A set of premix imflammable gas ignition delay time testing experimental system is formd, should
System is safe and reliable, easy for installation, simple to operate, and the research fired for premix imflammable gas provides new experimental technique hand
Section.
Brief description of the drawings
Fig. 1 is experimental system schematic diagram of the present invention；
Fig. 2 is the structural representation of the scattered inlet duct of annular；
Fig. 3 is characterized wavelength optical radiation relative intensity signal intensity curve map；
In figure：Reaction vessel 1, isolating high-pressure ignitor 2, pressure vacuum ga(u)ge 3, vavuum pump 4, circulating pump 5, annular is fired to be dispersed into
Device of air 6, collimater 7, one-to-two optical fiber 8, spectrometer 9, photomultiplier 10, multichannel oscillograph 11, venting of dust explosion mouth 1-1, electricity
Pole 1-2, air inlet 1-3, gas outlet 1-4, glass vision panel 1-5, pressure gauge valve 13-1, vavuum pump valve 13-2, combustible gas steel
Bottle valve 13-3, air bottle valve 13-4, air inlet valve 13-5, circulation pump valve 13-6, steel pipe 6-1, micropore 6-2, air guide
Pipe 6-3, air steel cylinder 12-1, flammable gas cylinder 12-2.
Embodiment
The present invention is further elaborated with specific embodiment below in conjunction with the accompanying drawings.
As shown in Fig. 1~2, a kind of experimental system for testing imflammable gas ignition delay time, including：Reaction is fired to hold
The scattered inlet duct 6 of device 1, isolating high-pressure ignitor 2, pressure vacuum ga(u)ge 3, vavuum pump 4, circulating pump 5, annular, collimater 7, one-to-two
Optical fiber 8, spectrometer 9, photomultiplier 10, multichannel oscillograph 11, air steel cylinder 12-1 and flammable gas cylinder 12-2, fire anti-
Answer the top hemispherical head of container 1 to be provided with two venting of dust explosion mouth 1-1 that can install venting of dust explosion piece, fire the top and bottom of reaction vessel 1
Portion is respectively provided with an electrode 1-2, and upper and lower two electrode 1-2 are connected with isolating high-pressure ignitor 2, fire the bottom of reaction vessel 1 and top
Portion further respectively has air inlet 1-3 and gas outlet 1-4；Fire the air inlet 1-3 of reaction vessel 1 respectively with air steel cylinder 12-1,
Flammable gas cylinder 12-2, circulating pump 5 are connected, and air steel cylinder 12-1 is provided with provided with air bottle valve 13-4, flammable gas cylinder 12-2
Combustible gas cylinder valve 13-3；Fire the gas outlet 1-4 of reaction vessel 1 respectively with pressure vacuum ga(u)ge 3, vavuum pump 4, circulating pump 5
Connection, pressure vacuum ga(u)ge 3 are provided with pressure gauge valve 13-1, and vavuum pump 4 is provided with vavuum pump valve 13-2, and circulating pump 5 is provided with two
Pump valve 13-6 is circulated, air inlet 1-3 is provided with air inlet valve 13-5；Fire and the scattered air inlet dress of annular is provided with reaction vessel 1
6 are put, the scattered inlet duct 6 of annular is welded with airway tube 6-3, and airway tube 6-3 is connected with air inlet 1-3, fires reaction vessel 1
Side glass vision panel 1-5 is installed, fire and collimater 7 be installed outside the glass vision panel 1-5 of reaction vessel 1, for flame to be sent out
The collimater 7 that light converges to fibre-optical splice is sequentially connected 8, two spectrometers 9 of one-to-two optical fiber, photomultiplier 10 and multichannel
Oscillograph 11.
A diameter of 18cm loop configuration, steel pipe 6-1 is made by the steel pipe 6-1 that internal diameter is 0.4cm in the scattered inlet duct 6 of annular
Surrounding is drilled with several micropores 6-2, can accelerate to fire the uniform mixing of gas in reaction vessel.The quick-fried volume of reaction vessel 1 is
20L, it is that draw ratio is 1 to fire reaction vessel 1:1 cylinder is formed by connecting with top hemispherical head, and it is whole to fire reaction vessel 1
Body is in spheroid, and top hemispherical head is connected with firing reaction vessel 1 using flange, detachably；Glass vision panel 1-5 is circle,
A diameter of 2.6cm, thickness of glass 3cm, material are vitreous silica；Electrode 1-2 is located at the center for firing reaction vessel 1, electricity
Pole 1-2 discharging gap is adjustable；Isolating high-pressure ignitor 2 is provided with manual trigger switch, can produce high electric field pulse, discharge time 0-
1000ms is adjustable, discharge frequency 100Hz, electric spark energy >=1J.
With reference to Fig. 3 characteristic wavelength light radiation relative intensity signal intensity curve maps, tested using above-mentioned experimental system flammable
The method of property gas ignition delay time comprises the following steps：
(1) air-tightness and pipeline connection of the experimental system are checked；
(2) setting of spectrometer and multichannel oscillograph parameter；
The stop position of two spectrometers is adjusted to pre-determined respectively and treats light-metering characteristic wavelength, electric spark will be identified
Characteristic wavelength radiation signal be set to oscilloscope signal collection trigger signal；
It is determined that treating the method for light-metering characteristic wavelength, take the photograph spectrum camera using spectrometer and ICCD is gathered merely respectively by optical fiber
The emission spectrum of electrion electric spark and flammable premixed gas body combustion flame, collection wave-length coverage optional 200~900nm are right
After spectral radiance than analyzing whole wave-length coverage, select electric spark and radiate stronger feature monochromatic light A, and Fire Radiation
Relatively strong, electric spark radiates weaker feature monochromatic light B, respectively as the characteristic light of identification electric discharge electric spark and combustion flame, example
Such as, the double-colored optical wavelength optional 306.4nm and 716nm for methane air premix imflammable gas ignition delay time test
Or 516.5nm.
(3) premix imflammable gas is prepared；
Pressure gauge valve, vavuum pump valve and vavuum pump are opened, is evacuated down to 600Pa, closes vavuum pump and vacuum pump valve
Door；Combustible gas cylinder valve, air inlet valve are opened successively, observes precise vacuum pressure gauge registration, are filled with by partial pressure method required
Volume, air inlet valve, combustible gas cylinder valve are closed successively；Air bottle valve, air inlet valve are opened successively, fill into air
To 1 atmospheric pressure, air inlet valve, air bottle valve, pressure gauge valve are closed successively；
(4) imflammable gas is uniformly mixed；
Circulation pump valve, air inlet valve, circulating pump are opened successively, are treated that imflammable gas circulates 300 seconds, are closed close successively
Closed loop pump, circulation pump valve, air inlet valve；
(5) gathered data of fighting is put；
Contact firearm button ignition switch is pressed manually, and ignitor produces flammable gas in electric spark and the quick-fried reaction vessel that ignites
Body, by data storage after the automatic triggering collection characteristic wavelength light radiation relative intensity signal of multichannel oscillograph, and analysis meter
Calculate ignition delay time；
The method for calculating ignition delay time is analyzed, draws characteristic wavelength light radiation relative intensity signal intensity curve,
Discharge igniting time instant τ is respectively defined as at the time of double-colored optical radiation signal will be detectediWith ignition timing τc, then during firing delay
Between τ=τc-τi。
(6) waste gas is emptied；
Vavuum pump valve, pressure gauge valve, vavuum pump are opened successively, extracts unreacting gas and reaction product out, are opened empty
Gas cylinder valve, air inlet valve, air is filled into 1 atmospheric pressure, closes air inlet valve, air bottle valve, pressure gauge successively
Valve, experiment terminate.
Accurately identifying for electric spark and Ignition Phenomena is effectively increased using this method, when can directly determine firing delay
Between, effectively increase the degree of accuracy of ignition delay time measurement.
Embodiments described above is only part of the embodiment of the present invention, rather than whole embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, belongs to the scope of protection of the invention.
Claims (8)
1. a kind of experimental system for testing imflammable gas ignition delay time, including：Fire reaction vessel, isolating high-pressure ignitor,
The scattered inlet duct of pressure vacuum ga(u)ge, vavuum pump, circulating pump, annular, collimater, one-to-two optical fiber, spectrometer, photomultiplier transit
Pipe, multichannel oscillograph, air steel cylinder and flammable gas cylinder, it is characterised in that the top hemispherical head for firing reaction vessel is set
There are two venting of dust explosion that can install venting of dust explosion piece mouths, fire and an electrode is respectively provided with the top and bottom of reaction vessel, upper and lower two
Electrode is connected with isolating high-pressure ignitor, fires reaction container bottom and top further respectively has air inlet and gas outlet；Fire reaction
The air inlet of container is connected with air steel cylinder, flammable gas cylinder, circulating pump respectively, and air steel cylinder is provided with air bottle valve, flammable
Gas cylinder is provided with combustible gas cylinder valve；The gas outlet for firing reaction vessel connects with pressure vacuum ga(u)ge, vavuum pump, circulating pump respectively
Connect, pressure vacuum ga(u)ge is provided with pressure gauge valve, and vavuum pump is provided with vavuum pump valve, and circulating pump is provided with two circulation pump valves, entered
Gas port is provided with air inlet valve；Fire and the scattered inlet duct of annular is provided with reaction vessel, the scattered inlet duct of annular is welded with
Airway tube, and airway tube is connected with air inlet；The side for firing reaction vessel is provided with glass vision panel, fires the glass of reaction vessel
Collimater is installed outside glass form, the collimater for luminous flame to be converged to fibre-optical splice is sequentially connected one-to-two optical fiber, two
Platform spectrometer, photomultiplier and multichannel oscillograph.
A kind of 2. experimental system for testing imflammable gas ignition delay time as claimed in claim 1, it is characterised in that institute
The loop configuration that a diameter of 18cm is made up of the steel pipe that internal diameter is 0.4cm for the scattered inlet duct of annular is stated, if steel pipe surrounding is drilled with
Dry micropore.
A kind of 3. experimental system for testing imflammable gas ignition delay time as claimed in claim 1, it is characterised in that combustion
Quick-fried reaction vessel volume is 20L, and it is that draw ratio is 1 to fire reaction vessel:1 cylinder is formed by connecting with top hemispherical head,
It is in integrally spheroid to fire reaction vessel, and top hemispherical head is connected with firing reaction vessel using flange, detachably.
A kind of 4. experimental system for testing imflammable gas ignition delay time as claimed in claim 1, it is characterised in that glass
Glass form is circle, and a diameter of 2.6cm, thickness of glass 3cm, material is vitreous silica.
A kind of 5. experimental system for testing imflammable gas ignition delay time as claimed in claim 1, it is characterised in that electricity
Pole is located at the center for firing reaction vessel, and the discharging gap of electrode is adjustable.
6. a kind of experimental system for testing imflammable gas ignition delay time as claimed in claim 1, it is characterised in that high
Pressure point firearm is provided with manual trigger switch, can produce high electric field pulse, and discharge time, 0-1000ms was adjustable, discharge frequency 100Hz,
Electric spark energy >=1J.
A kind of 7. method for testing imflammable gas ignition delay time, it is characterised in that any described using claim 1-6
The method of testing of experimental system comprises the following steps：
(1) air-tightness and pipeline connection of the experimental system are checked；
(2) setting of spectrometer and multichannel oscillograph parameter；
The stop position of two spectrometers is adjusted to pre-determined respectively and treats light-metering characteristic wavelength, the spy of electric spark will be identified
Sign wavelength radiation signal is set to the trigger signal of oscilloscope signal collection；
(3) premix imflammable gas is prepared；
Pressure gauge valve, vavuum pump valve and vavuum pump are opened, is evacuated down to 600Pa, closes vavuum pump and vavuum pump valve；According to
Secondary opening combustible gas cylinder valve, air inlet valve, observe pressure vacuum ga(u)ge registration, are filled with required volume by partial pressure method, successively
Close air inlet valve, combustible gas cylinder valve；Air bottle valve, air inlet valve are opened successively, fill into air to 1 air
Pressure, air inlet valve, air bottle valve, pressure gauge valve are closed successively；
(4) imflammable gas is uniformly mixed；
Circulation pump valve, air inlet valve, circulating pump are opened successively, are treated that imflammable gas circulates 300 seconds, are closed circulation successively
Pump, circulation pump valve, air inlet valve；
(5) gathered data of fighting is put；
Contact firearm button ignition switch is pressed manually, ignitor, which produces electric spark and ignited, fires imflammable gas in reaction vessel,
By data storage after the automatic triggering collection characteristic wavelength light radiation relative intensity signal of oscillograph, and analysis calculates igniting and prolonged
The slow time, the method for calculating ignition delay time is analyzed, draw characteristic wavelength light radiation relative intensity signal intensity curve, will
Discharge igniting time instant τ i and ignition timing τ c are respectively defined as at the time of detecting double-colored optical radiation signal, then ignition delay time
τ=τ c- τ i；
(6) waste gas is emptied；
Vavuum pump valve, pressure gauge valve, vavuum pump are opened successively, extracts unreacting gas and reaction product out, open air bottle
Valve, air inlet valve, air is filled into 1 atmospheric pressure, close air inlet valve, air bottle valve, pressure gauge valve successively,
Experiment terminates.
8. such as a kind of method for test imflammable gas ignition delay time that claim 7 is stated, it is characterised in that the step
(2) method for determining to treat light-metering characteristic wavelength in, spectrum camera is taken the photograph using spectrometer and ICCD and gathers simple height respectively by optical fiber
The emission spectrum of electric electric spark and flammable premixed gas body combustion flame is pressed, collection wave-length coverage is 200~900nm, to score
After the spectral radiance for analysing whole wave-length coverage, select electric spark and radiate stronger feature monochromatic light A, and Fire Radiation compared with
By force, electric spark radiates weaker feature monochromatic light B, respectively as the characteristic light of identification electric discharge electric spark and combustion flame.
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| CN112577990A (en) * | 2019-09-29 | 2021-03-30 | 中国石油化工股份有限公司 | Device for measuring ignition delay time of gas |
| CN112578072A (en) * | 2019-09-29 | 2021-03-30 | 中国石油化工股份有限公司 | Device for measuring ignition delay time of combustible gas |
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| CN113936533A (en) * | 2021-11-04 | 2022-01-14 | 西安航天动力试验技术研究所 | Experimental device and method for research on ignition characteristics of spontaneous combustion type fuel |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3428185A1 (en) * | 1984-07-31 | 1986-02-13 | Diehl GmbH & Co, 8500 Nürnberg | Device for measuring a detonation delay time |
| CN1548806A (en) * | 2003-05-21 | 2004-11-24 | 吉林市瑞达自控工程有限责任公司 | Flame detecting method and apparatus for single burner |
| CN103821658A (en) * | 2014-01-17 | 2014-05-28 | 浙江大学 | TDLAS (tunable diode laser absorption spectroscopy)-based intelligent laser ignition device and TDLAS-based intelligent laser ignition method |
-
2015
- 2015-08-26 CN CN201510532351.1A patent/CN105115920B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3428185A1 (en) * | 1984-07-31 | 1986-02-13 | Diehl GmbH & Co, 8500 Nürnberg | Device for measuring a detonation delay time |
| CN1548806A (en) * | 2003-05-21 | 2004-11-24 | 吉林市瑞达自控工程有限责任公司 | Flame detecting method and apparatus for single burner |
| CN103821658A (en) * | 2014-01-17 | 2014-05-28 | 浙江大学 | TDLAS (tunable diode laser absorption spectroscopy)-based intelligent laser ignition device and TDLAS-based intelligent laser ignition method |
Non-Patent Citations (3)
| Title |
|---|
| Experiments and modeling of ignition delay times,flame structure and intermediate species of EHN-doped stoichimetric n-heptane/air combustion;M.Hartmann et al.;《Proceedings of the Combustion Institute》;20091231;第32卷;第197-204页 * |
| Shock-Tube measurements of toluene ignition times and radical chemiluminescent spectra at low pressures;Changhua Zhang et al.;《Energy Fuels》;20111223;第26卷;第1107-1113页 * |
| 二甲苯点火延迟时间和燃烧发射光谱测量;张传钊 等;《推进技术》;20140331;第35卷(第3期);第392-396页 * |
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