CN107449697A - A kind of laser testing device and method of the fuel-flooded atomizing particle dispersing characteristic based on fluorescent tracing - Google Patents
A kind of laser testing device and method of the fuel-flooded atomizing particle dispersing characteristic based on fluorescent tracing Download PDFInfo
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- CN107449697A CN107449697A CN201710646560.8A CN201710646560A CN107449697A CN 107449697 A CN107449697 A CN 107449697A CN 201710646560 A CN201710646560 A CN 201710646560A CN 107449697 A CN107449697 A CN 107449697A
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- 239000002245 particle Substances 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000012360 testing method Methods 0.000 title claims abstract description 21
- 239000007921 spray Substances 0.000 claims abstract description 65
- 239000011521 glass Substances 0.000 claims abstract description 44
- 239000000295 fuel oil Substances 0.000 claims abstract description 30
- 239000002828 fuel tank Substances 0.000 claims abstract description 27
- 239000007864 aqueous solution Substances 0.000 claims abstract description 11
- 238000003780 insertion Methods 0.000 claims abstract 2
- 230000037431 insertion Effects 0.000 claims abstract 2
- 239000000446 fuel Substances 0.000 claims description 19
- 239000003595 mist Substances 0.000 claims description 19
- 239000003921 oil Substances 0.000 claims description 18
- 239000002028 Biomass Substances 0.000 claims description 5
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 claims description 4
- 238000009527 percussion Methods 0.000 claims description 4
- YQGOJNYOYNNSMM-UHFFFAOYSA-N eosin Chemical compound [Na+].OC(=O)C1=CC=CC=C1C1=C2C=C(Br)C(=O)C(Br)=C2OC2=C(Br)C(O)=C(Br)C=C21 YQGOJNYOYNNSMM-UHFFFAOYSA-N 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims 3
- 238000001914 filtration Methods 0.000 claims 1
- 238000000889 atomisation Methods 0.000 abstract description 9
- 238000001514 detection method Methods 0.000 abstract description 8
- 238000002347 injection Methods 0.000 description 9
- 239000007924 injection Substances 0.000 description 9
- FYGHSUNMUKGBRK-UHFFFAOYSA-N 1,2,3-trimethylbenzene Chemical compound CC1=CC=CC(C)=C1C FYGHSUNMUKGBRK-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000000945 filler Substances 0.000 description 5
- 241000931526 Acer campestre Species 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 238000010998 test method Methods 0.000 description 4
- 239000000443 aerosol Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000007654 immersion Methods 0.000 description 2
- 239000010761 intermediate fuel oil Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-O sulfonium Chemical compound [SH3+] RWSOTUBLDIXVET-UHFFFAOYSA-O 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 102100020760 Ferritin heavy chain Human genes 0.000 description 1
- 101001002987 Homo sapiens Ferritin heavy chain Proteins 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000007499 fusion processing Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000700 radioactive tracer Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N2015/0023—Investigating dispersion of liquids
- G01N2015/003—Investigating dispersion of liquids in liquids, e.g. emulsion
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Laser Beam Processing (AREA)
Abstract
The present invention relates to a kind of laser testing device and method of the fuel-flooded atomizing particle dispersing characteristic based on fluorescent tracing, belong to atomization detection technique field.The test device spray chamber bottom connects spray gun, spray chamber side passes through control valve, flowmeter connects fuel tank, opposite side passes through control valve, flowmeter connects air pump, insertion spray gun at the top of glass container, glass container side is provided with plane continuous wave laser, the planar laser vertical irradiation that plane continuous wave laser is sent is on glass container, plane continuous wave laser is with high-speed camera in the perpendicular arrangement in glass container both sides, high-speed camera is provided with filter plate, plane continuous wave laser connects Computer Control Unit, high-speed camera connects computer image acquisition installment, the aqueous solution is placed in glass container, the fuel oil for adding fluorescer is placed in fuel tank.The apparatus structure is simple, better performances；This method has the advantages of can visualizing, inexpensive, use range is extensive, simple to operate.
Description
Technical field
The present invention relates to a kind of laser testing device of the fuel-flooded atomizing particle dispersing characteristic based on fluorescent tracing
And method, belong to atomization detection technique field.
Background technology
Molten pool melting technology based on fuel-flooded injection has extensively in the melting of non-ferrous metal metallurgy with converting process
General application.Fuel oil submergence injection essence is to crush atomization under the high speed impact effect of fuel oil air-flow in spray gun, and in the melt
Combustion heat release, there is provided heat needed for fusion process simultaneously plays strong agitaion to melt, and sulfonium process is made in quickening, improves
Make sulfonium efficiency.
The aerosol dispersion characteristic of fuel oil in the melt directly affects the effect of submergence injection.Fuel oil oil mist particles are disperseed equal
The distribution of evenness and oil mist particles in the melt influences whether to submerge the thing in heat transfer, stirring effect and the melt of injection process
Physicochemical reacts.
But in the process of running, because melt is in high temperature（>1400K）And opaque state, existing means of testing without
Method determines the aerosol dispersion characteristic of melt internal fuel.This method of testing uses Water Model Cold Simulation, to the mist of water intermediate fuel oil
Change and carry out imaging test, obtain the aerosol dispersion characteristic of water intermediate fuel oil.There is important reference value to actual bath smelting.
A kind of Publication No. CN106523231A patent of invention " electric-controlled fuel injector atomization detecting device and detection method ",
The patent of invention simulates fuel injector for internal combustion engines by electric-controlled fuel injector, mainly for detection of the characteristic of fuel of internal combustion engine atomization, but
More difficult use is in the Characteristics Detection of immersion injection atomization.
A kind of Publication No. CN106338387A patent of invention " fuel nozzle atomization detection device ", the patent of invention is
A kind of fuel nozzle is atomized detection device, can carry out simulated test to fuel nozzle and combination nozzle, be mainly used in combustion gas and rise
The detection of the fuel atomization effect of motivation.
The content of the invention
For the above-mentioned problems of the prior art and deficiency, the present invention provides a kind of fuel oil submergence based on fluorescent tracing
The laser testing device and method of formula atomizing particle dispersing characteristic.The apparatus structure is simple, better performances；This method has can
Visualization, low cost, the advantages of use range is extensive, simple to operate, the present invention is achieved through the following technical solutions.
A kind of laser testing device of the fuel-flooded atomizing particle dispersing characteristic based on fluorescent tracing, including fuel tank
1st, air pump 2, control valve 3, flowmeter 4, spray chamber 5, double-deck fixed plate 6, spray gun 7, plane continuous wave laser 8, computer 9,
High-speed camera 10, filter plate 11, fixing hole 12 and glass container, the side of spray chamber 5 pass through control valve 3, the connection combustion of flowmeter 4
Oil groove 1, opposite side connect air pump 2, the bottom of spray chamber 5 connection spray gun 7, glass container top by control valve 3, flowmeter 4
Centre position is provided with double-deck fixed plate 6, and the double-deck centre position of fixed plate 6 is provided with fixing hole 12, spray gun 7 is inserted in fixing hole 12,
Glass container side is provided with plane continuous wave laser 8, and the planar laser vertical irradiation that plane continuous wave laser 8 is sent holds in glass
On device, plane continuous wave laser 8 is provided with high-speed camera 10 in the perpendicular arrangement in glass container both sides, high-speed camera 10
Filter plate 11, plane continuous wave laser 8 connect the control device of computer 9, and high-speed camera 10 connects the image collector of computer 9
Put, the aqueous solution is placed in glass container, the fuel oil for adding fluorescer is placed in fuel tank 1.
The spray gun 7 is bilayer sleeve spray gun, and bilayer sleeve spray gun is provided with fuel filler 13 and air intake 14.
Rubber ring is surrounded by inside above-mentioned fixing hole 12, for fixing and adjusting the position of glass container and spray gun 7.
A kind of application process of laser testing device, it is comprised the following steps that：
Step 1, fluorescer is added in fuel oil first, wherein the mass ratio of fluorescer and fuel oil is 1:40 ~ 60, it is subsequently placed in
In fuel tank 1, the fuel oil of the addition fluorescer in air and fuel tank 1 is sprayed into by air pump 2, control valve 3, flowmeter 4
Crushed into spray chamber 5 under the percussion of air and be atomized into mist of oil；
Step 2, the mist of oil that step 1 obtains is blown in the glass container for placing the aqueous solution by spray gun 7, while step 1
Open plane continuous wave laser 8, high-speed camera 10 and computer 9 provided with filter plate 11, the optical maser wavelength and fluorescence of setting
The absorbing wavelength of agent is consistent, and the wave transparent scope of filter plate 11 includes the launch wavelength of fluorescer but the absorption ripple not comprising fluorescer
It is long, the image that high-speed camera 10 collects is transported to point for being blown atomizing particle is obtained in the image collecting device of computer 9
Dissipate characteristic image.
The fuel oil is petrochemical industry fuel oil or biomass fuel.
The fluorescer be between trimethylbenzene, eosin or the fat-soluble fluorescer of anthracene.
The beneficial effects of the invention are as follows：
（1）The apparatus structure is simple, better performances；
（2）The method of testing can be with the dispersion effect of visual observation fuel-flooded injection atomization.
（3）Device category, quantity needed for the method for testing is few, and technical costs is low.
（4）The method of testing based on planar laser technology, fluorescent tracer technique it is highly developed, method of testing is simple, has.
Brief description of the drawings
Fig. 1 is apparatus of the present invention structural representation；
Fig. 2 is the double-deck fixed plate schematic front view of the present invention；
Fig. 3 is the double-deck fixed plate schematic top plan view of the present invention；
Fig. 4 is the double-deck fixed plate leftschematic diagram of the present invention；
Fig. 5 is the structural representation of bilayer sleeve spray gun of the present invention；
Fig. 6 is the dispersing characteristic figure for the diesel oil immersion injection atomizing particle that the embodiment of the present invention 1 obtains, and figure a starts for injection
T=0.05s mist of oils dispersing characteristic figure afterwards, mist of oil dispersing characteristic figure when figure b is t=0.15s.
In figure：1- fuel tanks, 2- air pumps, 3- control valves, 4- flowmeters, 5- spray chambers, 6- bilayer fixed plates, 7- sprays
Rifle, 8- plane continuous wave lasers, 9- computers, 10- high-speed cameras, 11- filter plates, 12- fixing holes, 13- fuel fillers,
14- air intakes.
Embodiment
With reference to the accompanying drawings and detailed description, the invention will be further described.
Embodiment 1
As shown in Fig. 1 to 5, the laser testing device of the fuel-flooded atomizing particle dispersing characteristic based on fluorescent tracing, bag are somebody's turn to do
Include fuel tank 1, air pump 2, control valve 3, flowmeter 4, spray chamber 5, double-deck fixed plate 6, spray gun 7, plane continuous wave laser 8,
Computer 9, high-speed camera 10, filter plate 11, fixing hole 12 and glass container, the side of spray chamber 5 pass through control valve 3, flow
The connection fuel tank 1 of meter 4, opposite side connect air pump 2, the bottom of spray chamber 5 connection spray gun 7, glass by control valve 3, flowmeter 4
Container top centre position is provided with double-deck fixed plate 6, and the double-deck centre position of fixed plate 6 is provided with fixing hole 12, inserted in fixing hole 12
Enter spray gun 7, glass container side is provided with plane continuous wave laser 8, the planar laser vertical irradiation that plane continuous wave laser 8 is sent
On glass container, plane continuous wave laser 8 is with high-speed camera 10 in the perpendicular arrangement in glass container both sides, high-speed camera
10 are provided with filter plate 11, and plane continuous wave laser 8 connects the control device of computer 9, and high-speed camera 10 connects the figure of computer 9
As harvester, the aqueous solution is placed in glass container, the fuel oil for adding fluorescer is placed in fuel tank 1.
Wherein spray gun 7 is bilayer sleeve spray gun, and bilayer sleeve spray gun is provided with fuel filler 13 and air intake 14；It is above-mentioned
Rubber ring is surrounded by inside fixing hole 12, for fixing and adjusting the position of glass container and spray gun 7.
The application process of the laser testing device, it is comprised the following steps that：
Step 1, first by 1.0g fluorescers（Eosin, alcohol is molten, absorbing wavelength：480nm, launch wavelength：540nm）Add
50g fuel oils（Biomass fuel）In（The mass ratio of fluorescer and fuel oil is 1:50）It is subsequently placed in fuel tank 1, passes through air pump
2nd, the fuel oil of air and the addition fluorescer in fuel tank 1 is injected to rushing in air in spray chamber 5 by control valve 3, flowmeter 4
Lower crush of the effect of hitting is atomized into mist of oil；
Step 2, the mist of oil that step 1 obtains is blown in the glass container for placing the aqueous solution by spray gun 7, while step 1
Open plane continuous wave laser 8, provided with filter plate 11（540 narrow band filter slices）High-speed camera 10 and computer 9, setting
Optical maser wavelength is consistent with the absorbing wavelength of fluorescer（Wavelength：480nm）, the wave transparent scope of filter plate 11 includes the transmitted wave of fluorescer
Absorbing wavelength long but not comprising fluorescer（The specific wave transparent scope of filter plate 11 is 530 ~ 550nm, half-band width 40nm）, by height
The image that fast video camera 10 collects is transported to the dispersing characteristic figure for obtaining being blown atomizing particle in the image collecting device of computer 9
Picture.
Fig. 6 is that high speed camera 10 shoots the PLIF particles distribution that obtained digital picture is converted into easily differentiating by processing
Pcolor, each particle represent an oil mist particles.Fig. 6（a）、（b）Respectively start rear t=0.05s, t=0.15s for injection
When mist of oil dispersing characteristic figure.Gradually disperse with the increase of time, mist of oil as we can see from the figure, it is consistent with potential result.
Embodiment 2
As shown in Fig. 1 to 5, the laser testing device of the fuel-flooded atomizing particle dispersing characteristic based on fluorescent tracing, bag are somebody's turn to do
Include fuel tank 1, air pump 2, control valve 3, flowmeter 4, spray chamber 5, double-deck fixed plate 6, spray gun 7, plane continuous wave laser 8,
Computer 9, high-speed camera 10, filter plate 11, fixing hole 12 and glass container, the side of spray chamber 5 pass through control valve 3, flow
The connection fuel tank 1 of meter 4, opposite side connect air pump 2, the bottom of spray chamber 5 connection spray gun 7, glass by control valve 3, flowmeter 4
Container top centre position is provided with double-deck fixed plate 6, and the double-deck centre position of fixed plate 6 is provided with fixing hole 12, inserted in fixing hole 12
Enter spray gun 7, glass container side is provided with plane continuous wave laser 8, the planar laser vertical irradiation that plane continuous wave laser 8 is sent
On glass container, plane continuous wave laser 8 is with high-speed camera 10 in the perpendicular arrangement in glass container both sides, high-speed camera
10 are provided with filter plate 11, and plane continuous wave laser 8 connects the control device of computer 9, and high-speed camera 10 connects the figure of computer 9
As harvester, the aqueous solution is placed in glass container, the fuel oil for adding fluorescer is placed in fuel tank 1.
Wherein spray gun 7 is bilayer sleeve spray gun, and bilayer sleeve spray gun is provided with fuel filler 13 and air intake 14；It is above-mentioned
Rubber ring is surrounded by inside fixing hole 12, for fixing and adjusting the position of glass container and spray gun 7.
The application process of the laser testing device, it is comprised the following steps that：
Step 1, first by 1.0g fluorescers（Between trimethylbenzene, absorbing wavelength：285nm, launch wavelength：350nm）Add 40g fuel oils
（Biomass fuel）In（The mass ratio of fluorescer and fuel oil is 1:40）It is subsequently placed in fuel tank 1, passes through air pump 2, control
The fuel oil of addition fluorescer in air and fuel tank 1 is injected in spray chamber 5 in the percussion of air by valve 3, flowmeter 4
Lower crush is atomized into mist of oil；
Step 2, the mist of oil that step 1 obtains is blown in the glass container for placing the aqueous solution by spray gun 7, while step 1
Open plane continuous wave laser 8, provided with filter plate 11（350 narrow band filter slices）High-speed camera 10 and computer 9, setting
Optical maser wavelength is consistent with the absorbing wavelength of fluorescer（Wavelength：285nm）, the wave transparent scope of filter plate 11 includes the transmitted wave of fluorescer
Absorbing wavelength long but not comprising fluorescer（The specific wave transparent scope of filter plate 11 is 340 ~ 360nm, half-band width 40nm）, by height
The image that fast video camera 10 collects is transported to the dispersing characteristic figure for obtaining being blown atomizing particle in the image collecting device of computer 9
Picture.
Embodiment 3
As shown in Fig. 1 to 5, the laser testing device of the fuel-flooded atomizing particle dispersing characteristic based on fluorescent tracing, bag are somebody's turn to do
Include fuel tank 1, air pump 2, control valve 3, flowmeter 4, spray chamber 5, double-deck fixed plate 6, spray gun 7, plane continuous wave laser 8,
Computer 9, high-speed camera 10, filter plate 11, fixing hole 12 and glass container, the side of spray chamber 5 pass through control valve 3, flow
The connection fuel tank 1 of meter 4, opposite side connect air pump 2, the bottom of spray chamber 5 connection spray gun 7, glass by control valve 3, flowmeter 4
Container top centre position is provided with double-deck fixed plate 6, and the double-deck centre position of fixed plate 6 is provided with fixing hole 12, inserted in fixing hole 12
Enter spray gun 7, glass container side is provided with plane continuous wave laser 8, the planar laser vertical irradiation that plane continuous wave laser 8 is sent
On glass container, plane continuous wave laser 8 is with high-speed camera 10 in the perpendicular arrangement in glass container both sides, high-speed camera
10 are provided with filter plate 11, and plane continuous wave laser 8 connects the control device of computer 9, and high-speed camera 10 connects the figure of computer 9
As harvester, the aqueous solution is placed in glass container, the fuel oil for adding fluorescer is placed in fuel tank 1.
Wherein spray gun 7 is bilayer sleeve spray gun, and bilayer sleeve spray gun is provided with fuel filler 13 and air intake 14；It is above-mentioned
Rubber ring is surrounded by inside fixing hole 12, for fixing and adjusting the position of glass container and spray gun 7.
The application process of the laser testing device, it is comprised the following steps that：
Step 1, first by 1.0g fluorescers（Between trimethylbenzene, absorbing wavelength：285nm, launch wavelength：350nm）Add 40g fuel oils
（Biomass fuel）In（The mass ratio of fluorescer and fuel oil is 1:60）It is subsequently placed in fuel tank 1, passes through air pump 2, control
The fuel oil of addition fluorescer in air and fuel tank 1 is injected in spray chamber 5 in the percussion of air by valve 3, flowmeter 4
Lower crush is atomized into mist of oil；
Step 2, the mist of oil that step 1 obtains is blown in the glass container for placing the aqueous solution by spray gun 7, while step 1
Open plane continuous wave laser 8, provided with filter plate 11（350 narrow band filter slices）High-speed camera 10 and computer 9, setting
Optical maser wavelength is consistent with the absorbing wavelength of fluorescer（Wavelength：285nm）, the wave transparent scope of filter plate 11 includes the transmitted wave of fluorescer
Absorbing wavelength long but not comprising fluorescer（The specific wave transparent scope of filter plate 11 is 340 ~ 360nm, half-band width 40nm）, by height
The image that fast video camera 10 collects is transported to the dispersing characteristic figure for obtaining being blown atomizing particle in the image collecting device of computer 9
Picture.
Above in association with accompanying drawing to the present invention embodiment be explained in detail, but the present invention be not limited to it is above-mentioned
Embodiment, can also be before present inventive concept not be departed from those of ordinary skill in the art's possessed knowledge
Put that various changes can be made.
Claims (5)
- A kind of 1. laser testing device of the fuel-flooded atomizing particle dispersing characteristic based on fluorescent tracing, it is characterised in that： Including fuel tank（1）, air pump（2）, control valve（3）, flowmeter（4）, spray chamber（5）, double-deck fixed plate（6）, spray gun（7）、 Plane continuous wave laser（8）, computer（9）, high-speed camera（10）, filter plate（11）, fixing hole（12）And glass container, mist Change room（5）Side passes through control valve（3）, flowmeter（4）Connect fuel tank（1）, opposite side passes through control valve（3）, flowmeter（4） Connect air pump（2）, spray chamber（5）Bottom connects spray gun（7）, glass container crown center position is provided with double-deck fixed plate（6）, Double-deck fixed plate（6）Centre position is provided with fixing hole（12）, fixing hole（12）Middle insertion spray gun（7）, glass container side is provided with Plane continuous wave laser（8）, plane continuous wave laser（8）On glass container, plane connects the planar laser vertical irradiation sent Continuous laser（8）With high-speed camera（10）In the perpendicular arrangement in glass container both sides, high-speed camera（10）It is provided with filtering Piece（11）, plane continuous wave laser（8）Connect computer（9）Control device, high-speed camera（10）Connect computer（9）Image Harvester, the aqueous solution, fuel tank are placed in glass container（1）It is middle to place the fuel oil for adding fluorescer.
- 2. the Laser Measuring trial assembly of the fuel-flooded atomizing particle dispersing characteristic based on fluorescent tracing according to claim 1 Put, it is characterised in that：The spray gun（7）For bilayer sleeve spray gun.
- 3. a kind of application process of laser testing device according to claim 1 or 2, it is characterised in that specific steps are such as Under：Step 1, fluorescer is added in fuel oil first, wherein the mass ratio of fluorescer and fuel oil is 1:40 ~ 60, it is subsequently placed in Fuel tank（1）In, pass through air pump（2）, control valve（3）, flowmeter（4）By air and fuel tank（1）In addition fluorescer Fuel oil be injected to spray chamber（5）In under the percussion of air crush be atomized into mist of oil；Step 2, the mist of oil for obtaining step 1 pass through spray gun（7）Be blown place the aqueous solution glass container in, step 1 it is same When open plane continuous wave laser（8）, provided with filter plate（11）High-speed camera（10）And computer（9）, the laser of setting Wavelength is consistent with the absorbing wavelength of fluorescer, filter plate（11）Wave transparent scope includes the launch wavelength of fluorescer but does not include fluorescence The absorbing wavelength of agent, by high-speed camera（10）The image collected is transported to computer（9）Sprayed in image collecting device Blow the dispersing characteristic image of atomizing particle.
- 4. the application process of laser testing device according to claim 3, it is characterised in that：The fuel oil is petrochemical industry fuel oil Or biomass fuel.
- 5. the application process of laser testing device according to claim 3, it is characterised in that：The fluorescer be between front three Benzene, eosin or the fat-soluble fluorescer of anthracene.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580565A (en) * | 2018-11-29 | 2019-04-05 | 北京农业智能装备技术研究中心 | Aerial pesticide medical fluid deposition parameter monitors system and method |
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