CN109342655A - A kind of hot malicious disaster environment experimental system for simulating - Google Patents
A kind of hot malicious disaster environment experimental system for simulating Download PDFInfo
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- CN109342655A CN109342655A CN201811190553.2A CN201811190553A CN109342655A CN 109342655 A CN109342655 A CN 109342655A CN 201811190553 A CN201811190553 A CN 201811190553A CN 109342655 A CN109342655 A CN 109342655A
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- 238000012360 testing method Methods 0.000 claims abstract description 38
- 239000002341 toxic gas Substances 0.000 claims abstract description 38
- 239000002245 particle Substances 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000004088 simulation Methods 0.000 claims abstract description 5
- 238000010521 absorption reaction Methods 0.000 claims description 55
- 238000004880 explosion Methods 0.000 claims description 23
- 239000007789 gas Substances 0.000 claims description 20
- 239000006096 absorbing agent Substances 0.000 claims description 14
- 238000010276 construction Methods 0.000 claims description 10
- 239000000428 dust Substances 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 10
- 238000013022 venting Methods 0.000 claims description 10
- 238000002474 experimental method Methods 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 230000000153 supplemental effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims 1
- 230000035939 shock Effects 0.000 abstract description 15
- 230000006378 damage Effects 0.000 abstract description 12
- 208000027418 Wounds and injury Diseases 0.000 abstract description 11
- 208000014674 injury Diseases 0.000 abstract description 11
- 150000001875 compounds Chemical class 0.000 abstract description 6
- 230000001473 noxious effect Effects 0.000 abstract description 3
- 239000002574 poison Substances 0.000 abstract description 2
- 231100000614 poison Toxicity 0.000 abstract description 2
- 238000005474 detonation Methods 0.000 description 11
- 238000005457 optimization Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 241000233855 Orchidaceae Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008506 pathogenesis Effects 0.000 description 1
- 239000000700 radioactive tracer Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012502 risk assessment Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 210000003454 tympanic membrane Anatomy 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
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Abstract
The invention belongs to disaster environment simulation system fields; more particularly to a kind of hot malicious disaster environment experimental system for simulating; the experimental system for simulating includes blast impulse wave generating device, the high temperature of fire generating device being arranged in the middle part of pipeline and toxic gas/particle environments generating device that pipeline one end is arranged in, and test section of the pipeline at high temperature of fire generating device and toxic gas/particle environments generating device as experimental system for simulating is arranged.The advantages of invention, is: providing a kind of disaster experimental situation of plyability; the present invention passes through blast impulse wave generating device, high temperature of fire emitter, toxic gas/particle environments generating device on pipeline; to simulate the compound disaster environment of shock wave, noxious material, high temperature; to study injury of human mechanism and individual protection technical need under the hot compound disaster environment of poison; it selects jury rig appropriate to provide guidance for harmful influence practitioner, is finally reached the purpose of protection people's life safety.
Description
Technical field
The present invention relates to disaster environment simulation system field, especially a kind of hot malicious disaster environment experimental system for simulating.
Background technique
Harmful influence production, storage, transport, in use process, due to Unsafe behavior, object unsafe condition and
The environmental factor that can not resist is easy to happen harmful influence leakage accident.If harmful influence itself has the characteristics that flammable, leakage process
In easily form the compound disaster environment of fire, explosion, noxious material.
Human body burn mortality risk assessment system in a kind of fire hazard environment disclosed in Hefei public safety research institute of Tsinghua University
System and method (application number: CN201610298559.6)；No.3 Hospital Attached to No.3 Military Medical Univ., P.L.A. discloses
For the external artificial ear drum test device (application number: CN201120063412.1) under explosion wave environment.The above system
System is with method for studying injury of human mechanism and injury Severity under single disaster environment.
Existing research of the individual protection technology based on single factor test pathogenesis is not able to satisfy under compound disaster environment individual
Protection requirements.
Summary of the invention
In order to overcome the shortcomings of the prior art described above, for this purpose, the present invention provides a kind of hot malicious disaster environment simulation
Experimental system.
To achieve the above object, the invention adopts the following technical scheme:
A kind of hot malicious disaster environment experimental system for simulating, the explosion wave including pipeline one end is arranged in fill
High temperature of fire generating device and toxic gas/the particle environments generating device set, being arranged in the middle part of pipeline, setting high temperature of fire are sent out
Test section of the pipeline as experimental system for simulating at generating apparatus and toxic gas/particle environments generating device.
Optimization, the tail portion of the pipeline is provided with wave absorber.
Optimization, support construction is provided with below the pipeline, the support construction is arranged on the slide rail, support construction
Lower end is provided with and the matched moving parts of sliding rail.
Optimization, the blast impulse generating device is arranged in the drive section of pipeline, and the setting of drive section rear is driven
Section, drive section are connected with by drive section by pressing from both sides membrane structure, and the blast impulse wave generating device includes being arranged in drive section one
The igniter at end, the sandwiched film mechanism that the drive section other end is set and the explosion material being filled in drive section, the folder film
Venting of dust explosion film is provided in structural mechanism.Optimization, the drive section upstream end is sealed by blank flange, and ignition mechanism setting exists
It drives on segment pipe at blank flange.Optimization, it is described that horn-like expansion is provided between drive section and test section
Section, the drive section, by drive section, expansion segment close to identical by the internal diameter of one end of drive section, the expansion segment is far from being driven
The diameter of one end of dynamic section is greater than by the diameter of drive section one end.
Optimization, the high temperature of fire generating device and toxic gas/particle environments generating device are oppositely arranged, the examination
It tests in section and is provided with radiant panel mounting flange and poison gas dispatching flange, high temperature of fire generating device is to be fixed on radiant panel Method for Installation
Radiant panel on orchid, toxic gas/particle environments generating device are that poison gas dispenses the external experiment gas supplemental parts of flange.
Optimization, wave absorption section is arranged in the test section rear end, and wave absorber, the wave absorber packet is arranged in wave absorption intersegmental part
Include wave absorption plate, the wave absorption plate perpendicular to the air-flow direction of propagation setting in wave absorption section, be provided with gas supply on the wave absorption plate
Flow across multiple grid holes, the edge side face of the wave absorption plate is fitted in the inner sidewall of wave absorption section.
Optimization, the wave absorber further includes fixed link, and the length direction of fixed link is parallel with the air-flow direction of propagation, institute
Stating wave absorption plate is muti-piece, and muti-piece wave absorption plate is sequentially fixed in fixed link.
Optimization, from the grid bore dia on the wave absorption plate to the wave absorption plate far from test section of close test section in fixed link
It is sequentially reduced.
The present invention has the advantages that
(1) present invention provides a kind of disaster experimental situation of plyability, the present invention by pipeline explosion wave send out
Generating apparatus, high temperature of fire emitter, toxic gas/particle environments generating device, to simulate shock wave, noxious material, height
The hybird environment of temperature, to study injury of human mechanism and individual protection technical need under the hot compound disaster environment of poison, for danger
Change product practitioner selects jury rig appropriate to provide guidance, is finally reached the purpose of protection people's life safety.
(2) wave absorber is the air-flow momentum and shock wave energy after decay test, and the structure of experimental system is avoided to be damaged
It is bad.
(3) when shock wave reaches wave absorption section least significant end, if energy still exists, at this point, energy may drive entire system
System moves on the slide rail, to reduce the damage for offseting wave band least significant end.And since venting of dust explosion film is required to after each experiment
Replacement facilitates drive section and is separated by drive section after dismantling folder membrane structure, and when connection also can guarantee point-blank, convenient
Connection.
(4) setting for pressing from both sides venting of dust explosion film in membrane structure is that pipeline, fuel gas are filled in for isolation drive section and downstream
In drive section, system first passes through venting of dust explosion film by the energy storage of shock wave in drive section, when pressure reaches venting of dust explosion in drive section
When film Rupture of Membrane pressure, the rupture of venting of dust explosion film, all energy discharge together, to obtain the impact of enough energy within a short period of time
Wave.
(5) end face of drive section upstream end is sealed by blank flange, and ignition mechanism setting is close on drive section official road
At seal face, detonation direction of wave travel is identical with the air-flow direction of propagation after igniting, to detonation driven before realizing, compared to reversed
Detonation driven mode, forward direction detonation driven can produce bigger superpressure value, involve shock wave coupling other factors in impact and cause injury reality
Have the advantages that superpressure range is wider array of in testing.
(6) after the rupture of venting of dust explosion film, the chemical reaction for generating shock wave may be also not finished, by the material one that explodes in drive section
Side reaction, the shock wave of generation continue to propagate, and the energy of shock wave persistently increases.Drive section and by the diameter of drive section less than examination
The diameter of section is tested, the energy in unit volume is larger, can reduce the time that shock wave reaches setting value in this way.
(7) high temperature of fire generating device and toxic gas/particle environments generating device are set directly at test section, in this way
Temperature and toxic gas/granule density will not change numerical value because of transmission, ensure that the accuracy of data.
(8) play the role of wave absorption by the way that multiple grid holes are arranged on wave absorption plate.
(9) wave absorber is by being arranged multiple wave absorption plates in fixed link, and the grid bore dia on multiple wave absorption plates by
It is decrescence small, carry out the energy of reduction shock wave step by step.
Detailed description of the invention
Fig. 1 is a kind of main view of hot malicious disaster environment experimental system for simulating of the present invention.
Fig. 2 is the structure chart of drive section in a kind of hot malicious disaster environment experimental system for simulating of the present invention.
Fig. 3 is the structure chart of radiant panel in a kind of hot malicious disaster environment experimental system for simulating of the present invention.
Fig. 4 is a kind of cross-sectional view of hot malicious disaster environment experimental system for simulating test section of the present invention.
Fig. 5 is a kind of structure chart of hot malicious disaster environment experimental system for simulating wave absorber of the present invention.
Fig. 6 is a kind of structure chart of hot malicious disaster environment experimental system for simulating wave absorption plate of the present invention.
The meaning of label symbol is as follows in figure:
11- drive section 12- is by drive section 13- expansion segment
14- test section 141- radiant panel mounting flange 142- poison gas dispenses flange 15- wave absorption section
21- ignition mechanism 22- high temperature of fire generating device 221- radiant panel
23- toxic gas/particle environments generating device
241- wave absorption plate 2411- grid hole 2412- fixation hole 242- fixed link
25- presss from both sides membrane structure
3- support construction 4- sliding rail
Specific embodiment
As shown in Figure 1, a kind of hot malicious disaster environment experimental system for simulating, including pipeline, pipeline are successively divided into drive section
11, by drive section 12, horn-like expansion segment 13, test section 14, wave absorption section 15.The internal diameter of the drive section 11, by drive section
12 internal diameter, expansion segment 13 are close to all the same by the internal diameter of one end of drive section 12, and expansion segment 13 is far from by the one of drive section 12
The diameter at end is greater than by the diameter of 12 one end of drive section.Drive section 11 and by drive section 12 by press from both sides membrane structure 25 connect, it is described
Venting of dust explosion film is provided in folder membrane structure 25.Expansion segment 13 and test section 14, test section 14 and wave absorption section 15 pass through flanged joint,
Flange connections are provided with sealing ring, to improve the experimental situation stability of simulated experiment.
Experimental system for simulating further includes the blast impulse wave generating device being arranged in drive section 11, is arranged in test section 14
On high temperature of fire generating device 22 and toxic gas/particle environments generating device 23, the wave absorption that is arranged in inside wave absorption section 15
Device, pipeline lower section are additionally provided with support construction 3, and support construction 3 is arranged on sliding rail 4, and the lower end of support construction 3 is provided with
With the matched moving parts of sliding rail 4.In this embodiment, moving parts is idler wheel.
Blast impulse wave generating device, high temperature of fire generating device 22, toxic gas/particle environments generating device 23 can be single
Solely work when three works independently, can realize that explosion wave, high temperature of fire, toxic gas/particle are caused injury environment respectively.When
Common work both in blast impulse wave generating device, high temperature of fire generating device 22, toxic gas/particle environments generating device 23
When making, high temperature of fire and the compound environment of causing injury of explosion wave, explosion wave and toxic gas/Particles dispersed can be realized respectively
It causes injury environment and high temperature of fire and toxic gas/Particles dispersed is caused injury environment.It is high to blast impulse wave generating device, fire below
Warm generating device 22, toxic gas/particle environments generating device 23, wave absorber are described in detail.
1, blast impulse wave generating device
As depicted in figs. 1 and 2, the blast impulse wave generating device includes the igniting that 11 input end of drive section is arranged in
Mechanism 21, the sandwiched film mechanism 210 that 11 output end of drive section is set and the explosion material being filled in drive section 11.The explosive
Material is combustible gas/air (oxygen) mixed gas of the corresponding equivalent proportion configured according to shock wave size.The drive section 11
The end face of upstream end is blind plate sealing flange, and ignition mechanism 21 is arranged on drive section pipeline at the upstream face, realize to
Preceding detonation driven mode.When ignition mechanism 21 setting drive section 11 close to folder 25 end of membrane structure, realize reversed detonation driven, phase
Compared with reversed detonation driven mode, forward direction detonation driven mode can produce bigger superpressure value, involves shock wave in impact and couples it
His factor cause injury experiment in have the advantages that superpressure range is wider array of.
Drive section 11 be long L1, internal diameter D1, the round tube of wall thickness δ 1, drive section 11 with by 12 junction of drive section be arranged let out
Quick-fried film is filled with the fuel gas and oxygen (air) of certain equivalent proportion into drive section 11, as hydrogen/oxygen (air), methane/
Oxygen (air), hydrogen/methane/oxygen (air), the detonation wave that mixed gas generates after being ignited are broken through after venting of dust explosion film in quilt
Shock wave is generated in drive section 12, high pressure draught is by the acceleration of expansion segment 13 in the target body in test section 14, building
Explosion wave is caused injury environment.The adjusting of positive pressure of shock wave size can be by changing mixed gas in drive section 11 in test section 14
Primary condition (such as gas component, initial pressure, initial temperature) and change 11 pipeline condition of drive section (if any clear,
Blockage ratio, obstacle spacing, barrier number etc.).
2, high temperature of fire generating device 22 and toxic gas/particle environments generating device 23
As shown in figure 1, figure 3 and figure 4, the high temperature of fire generating device 22 and toxic gas/particle environments generating device 23
It is oppositely arranged, radiant panel mounting flange 141 and poison gas dispatching flange 142 is provided on the test section 14, high temperature of fire occurs
Device 22 is the radiant panel 221 being fixed on radiant panel mounting flange 141, and toxic gas/particle environments generating device 23 is poison
Gas dispenses the external experiment gas supplemental parts of flange 142.The gas that gas supplemental parts fill into is search gas/tracer
Grain arranges that gas/particle concentration sensor monitors search gas/particle dispersal behavior in test section 14, in test section 14
Toxic gas/particle concentration can be realized by way of regulating gas/particle generator flow.Wherein radiant panel mounting flange
After installing radiant panel 221 on 141, the position at radiant panel mounting flange 141 is sealing state, and in this embodiment, system is also
Including high temperature resistant, impact-resistant cable, after the fixed radiant panel 221 of radiant panel mounting flange 141, it need to guarantee that radiant panel 221 is rushing
Hitting under the Overpressure of wave keeps structure and function complete, it is ensured that the airtightness of experimental system for simulating.Temperature at target body
Adjusting can be realized by changing the modes such as 221 heating power of radiant panel.The present invention only protects the hot malicious disaster environment simulation real
The device or physical platform that the mechanical part of check system is constituted, without regard to control section therein and software section.
14 main part of test section is long L2, internal diameter D2, wall thickness δ2Round tube, test section 14 and the fire being arranged thereon are high
Warm generating device 22 and toxic gas/particle environments generating device 23 realize high temperature of fire environment and toxic gas/particle environments
Building, in this embodiment, target body be fixed on radiant panel mounting flange 141 and poison gas dispatching flange 142 between.
3, wave absorber
As shown in Fig. 1, Fig. 5, Fig. 6, the wave absorber includes muti-piece wave absorption plate 241, fixed link 242, the wave absorption plate
241 perpendicular to the air-flow direction of propagation setting in wave absorption section 15, the length direction of fixed link 242 and the air-flow direction of propagation are flat
Row, muti-piece wave absorption plate 241 are sequentially fixed in fixed link 242, the fixation that fixed link 242 passes through 241 center of wave absorption plate and edge
Hole 2412 connects multilayer wave absorption plate 241, limits multiple wave absorption plates 241 and individually generates axial displacement and edge along fixed link 242
The rotation of 241 circumference of wave absorption plate.Be provided on the wave absorption plate 241 gas supply stream across multiple circular grid holes 2411, institute
The edge side face for stating wave absorption plate 241 is fitted in the inner sidewall of wave absorption section 15.Wave absorption plate 241 is 3 pieces in this embodiment.Fixed link
Successively subtract on 242 from the grid hole 2411 on the wave absorption plate 241 to the wave absorption plate 241 far from test section 14 of close test section 14
It is small.The advantages of being gradually reduced along the aperture of air-flow direction of propagation grid hole 2411 is: large aperture wave absorption plate 241 passes through area
Greatly, air-flow reflection can be reduced, interference of the reflected gas stream to test section 14 is avoided；The aperture of grid hole 2411, which is gradually reduced, to increase
Air-flow by when damped coefficient, consume flowed energy and momentum, reduce the structural loads of 15 downstream closed end of wave absorption section, keep away
The structure for exempting from experimental system is destroyed.
The system it is preceding break through diaphragm to the detonation wave generated by way of detonation driven after, act in test section 14
Target body constructs explosion disaster environment；The main element of high temperature of fire generating device 22 is to be laid on 14 target body of test section
The radiant panel 221 of side；Toxic gas/particle environments by 14 poison gas of test section dispense 142 preformed hole of flange spray into search gas/
Particle is realized；Wave absorber uses wave absorption plate 241 in experimental system for simulating, gradually along air-flow direction of propagation arrangement several layers aperture
Reduced wave absorption plate 241, weakens high pressure draught successively, while utmostly avoiding interference of the reflected gas stream to test section 14.
The above is only the preferred embodiments of the invention, are not intended to limit the invention creation, all in the present invention
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the invention within the spirit and principle of creation
Within the scope of shield.
Claims (10)
1. a kind of hot malicious disaster environment experimental system for simulating, which is characterized in that the blast impulse including pipeline one end is arranged in
Wave generating device, the high temperature of fire generating device (22) being arranged in the middle part of pipeline and toxic gas/particle environments generating device
(23), the pipeline at high temperature of fire generating device (22) and toxic gas/particle environments generating device (23) is set as simulation
The test section (14) of experimental system.
2. the hot malicious disaster environment experimental system for simulating of one kind according to claim 1, which is characterized in that the pipeline
Tail portion is provided with wave absorber.
3. the hot malicious disaster environment experimental system for simulating of one kind according to claim 1, which is characterized in that under the pipeline
Side is provided with support construction (3), and the support construction (3) is arranged on sliding rail (4), and the lower end of support construction (3) is provided with
With sliding rail (4) matched moving parts.
4. the hot malicious disaster environment experimental system for simulating of one kind according to claim 1, which is characterized in that the explosion punching
Fire generating apparatus be pipeline drive section (11), drive section (11) rear be provided with by drive section (12), drive section (11) and by
For drive section (12) by folder membrane structure (25) connection, the blast impulse wave generating device includes the point that drive section one end is arranged in
Fiery device (21), the explosion material that the sandwiched film mechanism of the drive section other end is set and is filled in drive section (11), the folder
Venting of dust explosion film is provided in membrane structure (25) mechanism.
5. the hot malicious disaster environment experimental system for simulating of one kind according to claim 4, which is characterized in that the drive section
(11) upstream end is sealed by blank flange, and ignition mechanism (21) setting is on driving segment pipe at blank flange.
6. the hot malicious disaster environment experimental system for simulating of one kind according to claim 4, which is characterized in that described to be driven
Section (12) and test section (14) between be provided with horn-like expansion segment (13), the drive section (11), by drive section (12), expansion
Section (13) are opened close to, the expansion segment (13) separate one end by drive section (12) identical by the internal diameter of one end of drive section (12)
Diameter be greater than by the diameter of drive section (12) one end.
7. the hot malicious disaster environment experimental system for simulating of one kind according to claim 1, which is characterized in that the fire is high
Warm generating device (22) and toxic gas/particle environments generating device (23) are oppositely arranged, and are provided on the test section (14)
Radiant panel mounting flange (141) and poison gas dispatching flange (142), high temperature of fire generating device (22) are to be fixed on radiant panel installation
Radiant panel (221) on flange (141), toxic gas/particle environments generating device (23) are that poison gas dispatching flange (142) is external
Experiment gas supplemental parts.
8. the hot malicious disaster environment experimental system for simulating of one kind according to claim 2, which is characterized in that the test section
(14) rear end setting wave absorption section (15), wave absorption section (15) is internal to be arranged wave absorber, and the wave absorber includes wave absorption plate
(241), the wave absorption plate (241) is arranged in wave absorption section (15) perpendicular to the air-flow direction of propagation, sets on the wave absorption plate (241)
Be equipped with gas supply stream across multiple grid holes (2411), the edge side face of the wave absorption plate (241) is fitted in wave absorption section (15)
Inner sidewall.
9. the hot malicious disaster environment experimental system for simulating of one kind according to claim 8, which is characterized in that the wave absorption dress
Setting further includes fixed link (242), and the length direction of fixed link (242) is parallel with the air-flow direction of propagation, and the wave absorption plate (241) is
Muti-piece, muti-piece wave absorption plate (241) are sequentially fixed on fixed link (242).
10. the hot malicious disaster environment experimental system for simulating of one kind according to claim 9, which is characterized in that fixed link
(242) from the grid hole on the wave absorption plate (241) to the wave absorption plate (241) far from test section (14) of close test section (14) on
(2411) diameter is sequentially reduced.
Priority Applications (1)
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| CN201811190553.2A CN109342655A (en) | 2018-10-12 | 2018-10-12 | A kind of hot malicious disaster environment experimental system for simulating |
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| CN201811190553.2A CN109342655A (en) | 2018-10-12 | 2018-10-12 | A kind of hot malicious disaster environment experimental system for simulating |
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