CN108318272A - A kind of testing stand for studying calm driving system gas barrier mechanism - Google Patents
A kind of testing stand for studying calm driving system gas barrier mechanism Download PDFInfo
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- CN108318272A CN108318272A CN201810320259.2A CN201810320259A CN108318272A CN 108318272 A CN108318272 A CN 108318272A CN 201810320259 A CN201810320259 A CN 201810320259A CN 108318272 A CN108318272 A CN 108318272A
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- 238000012360 testing method Methods 0.000 title claims abstract description 33
- 230000007246 mechanism Effects 0.000 title claims abstract description 22
- 230000004888 barrier function Effects 0.000 title claims abstract description 21
- 239000007789 gas Substances 0.000 claims abstract description 115
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 88
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 46
- 238000000605 extraction Methods 0.000 claims abstract description 16
- 230000003139 buffering effect Effects 0.000 claims abstract description 7
- 238000013508 migration Methods 0.000 claims abstract description 5
- 230000005012 migration Effects 0.000 claims abstract description 5
- 238000005086 pumping Methods 0.000 claims abstract description 5
- 230000003247 decreasing effect Effects 0.000 claims abstract description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 9
- 238000004880 explosion Methods 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 5
- 239000006260 foam Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 2
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 238000012806 monitoring device Methods 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 description 5
- 239000003245 coal Substances 0.000 description 5
- 239000002390 adhesive tape Substances 0.000 description 4
- PCTMTFRHKVHKIS-BMFZQQSSSA-N (1s,3r,4e,6e,8e,10e,12e,14e,16e,18s,19r,20r,21s,25r,27r,30r,31r,33s,35r,37s,38r)-3-[(2r,3s,4s,5s,6r)-4-amino-3,5-dihydroxy-6-methyloxan-2-yl]oxy-19,25,27,30,31,33,35,37-octahydroxy-18,20,21-trimethyl-23-oxo-22,39-dioxabicyclo[33.3.1]nonatriaconta-4,6,8,10 Chemical compound C1C=C2C[C@@H](OS(O)(=O)=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2.O[C@H]1[C@@H](N)[C@H](O)[C@@H](C)O[C@H]1O[C@H]1/C=C/C=C/C=C/C=C/C=C/C=C/C=C/[C@H](C)[C@@H](O)[C@@H](C)[C@H](C)OC(=O)C[C@H](O)C[C@H](O)CC[C@@H](O)[C@H](O)C[C@H](O)C[C@](O)(C[C@H](O)[C@H]2C(O)=O)O[C@H]2C1 PCTMTFRHKVHKIS-BMFZQQSSSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
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- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 2
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- 229910052742 iron Inorganic materials 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/008—Subject matter not provided for in other groups of this subclass by doing functionality tests
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The present invention relates to a kind of testing stands obstructing mechanism for studying calm driving system gas, the testing stand has cuboid outer housing, has the region that five gas densities such as the gas source region being divided by filter bag and three air doors, high concentration gas extraction area, buffering area, nitrogen curtain baffle area, validity check area are successively decreased in shell cavity.Three Gas mouths wherein are laid in gas source region, high concentration gas area installs gas pumping pipe, and nitrogen curtain is arranged in nitrogen curtain baffle area, and monitoring device is installed in other regions respectively.The present invention analyzes the mechanism that air door in calm driving system stops the soft barrier three linkage barrier gas of extraction dynamic voltage adjustment nitrogen curtain firmly by detecting the gas density under the different variables such as outburst amount, extraction amount, learning gas migration rule.
Description
Technical field
The present invention relates to laboratory test fields, and in particular to one kind is for studying calm driving system gas barrier mechanism
Testing stand.
Background technology
Coal proportion in China's energy consumption structure is larger, during coal production, along with many disasters
Accident, wherein Gas Disaster accident occupy larger proportion, accidents such as gas exceeding limit and gas explosion frequent occurrence in tunneling process.
Current prevention theory has hair when not yet eradicating gas explosion accident, gas exceeding limit and explosion phenomenon completely with technology
Raw, the new approaches based on coal and gas power phenomenon create a kind of calm driving system.Calm driving refers in collection middle orbit lane
Normal ventilation, the nonventilated new assignment mode in driving lane.This new assignment mode will be eliminated thoroughly aerobic in driving lane
The necessary condition that disaster occurs, can not only prevent to tunnel the generation of the disaster accidents such as gas combustion and explosion in lane, but also can make
Gas maintains higher concentration without distinguished and admirable dilution, realizes the reasonable utilization of clean resource.
It realizes that the key of calm driving is with oxygen effectively to obstruct gas, prevents gas from being coexisted with oxygen, take thus
Build a kind of testing stand for studying calm driving system gas barrier mechanism.
Invention content
The purpose of the present invention is to provide a kind of testing stand obstructing mechanism for studying calm driving system gas, the examinations
The research of gas migration rule and barrier mechanism under multifactor impact can be realized by testing platform.
Technical scheme is as follows：
A kind of testing stand for studying calm driving system gas barrier mechanism comprising have by up, down, left, right, before and after 6
The front face of the cuboid housing that a wall surface encloses, the shell is equipped with the first gas inlet, is respectively equipped on left and right wall surface
The second gas inlet positioned at front and third gas inlet, 3 gas inlets respectively by connecting pipeline connect gas source and
Volume control device is housed on connecting pipeline, the interior cavity of the shell is also disposed with the filter positioned at gas inlet rear
Bag, first of air door, second air door, nitrogen curtain and third road air door are both provided with opening on 3 air doors, to form five
A gas density is successively decreased region, and gas source region I, high concentration gas extraction area II, buffering area III, nitrogen curtain baffle area are followed successively by
IV, V and effect detection area VI；Further include having drainage tube, the Single port of the drainage tube is in high concentration gas extraction area II, separately
Single port connects frequency conversion fan, and gas pumping is carried out by the principle of air curtain jet entrainment；High concentration gas extraction area II, buffering
Area III, nitrogen curtain baffle area IV, V and effect detection area VI are respectively equipped with firedamp sensor, each firedamp sensor and data processing
Equipment realizes data connection to carry out the collection of data；The testing stand can pass through air door blocking firmly-extraction dynamic voltage adjustment-nitrogen
The mode that the soft barrier three linkage of curtain is adjusted obstructs mechanism to study gas.
Above-mentioned left and right two side walls face is used for simulating two side wall surfaces in driving lane, by high-densit cystosepiment and is located at
Transparent organic glass composition in the middle part of side wall surface；Upper and lower two wall surfaces are respectively intended to the top plate and bottom plate in simulation driving lane, by height
Dense foam board group at；The Gas wall surface of front and the boundary wall at rear portion are made of high-densit cystosepiment；Filter bag uses
Fiber filter bag（The common application of fiber filter bag is such as：Dust-removal cloth-bag etc. on bag filter）, play gas by point source to face
The effect of source conversion；Poly (methyl methacrylate) plate or papery hardboard etc. can be used in air door, and the opening on air door is used for simulating adhesive tape mouth（In coal
In charcoal exploitation, the conveyer belt for being loaded with coal is passed through by adhesive tape mouth）；Above-mentioned nitrogen curtain structure includes to be fixed on housing cavity road
The three-way steel tube of upper wall surface, the upper port of the three-way steel tube connect nitrogen cylinder to introduce nitrogen gas by hose, left and right port
Closing, the bottom of three-way steel tube be provided in the axial direction with strip gap and sprayed with to ensure nitrogen by the gap formed it is vertical with base surface
Nitrogen curtain, to by gas barrier in the region before nitrogen curtain.The nitrogen outlet position of nitrogen cylinder can install decompression
Valve, for showing outlet pressure, interior of steel bottle pressure.
Volume control device on the connecting pipeline of gas source includes valve and glass rotameter, is gushed with control gas
Output；Anemobiagraph is arranged to measure air outlet velocity in the outlet of frequency conversion fan, and frequency conversion fan selects frequency conversion explosion proof wind turbine to be taken out to control
Take speed.
Each firedamp sensor is labeled as No. 1-5 successively, wherein No. 1 firedamp sensor shows high concentration gas extraction area II
The gas density inside changed over time, No. 2 firedamp sensor detections are leaked to slow through first of air door blocking limitation by adhesive tape mouth
Rush the gas density in area III, No. 3 firedamp sensors measure the gas density in front of nitrogen curtains, after No. 4 sensor test nitrogen curtains
The gas density of side, gas density of No. 5 Sensor monitoring effect detection areas under the influence of no air curtain jet entrainment.
The present invention by detecting the gas density under the different variables such as outburst amount, extraction amount and nitrogen curtain muzzle velocity,
Can learning gas migration rule, analyze air door blocking firmly-extraction dynamic voltage adjustment-nitrogen curtain in calm driving system it is soft barrier three
Person, which links, obstructs the mechanism of gas.
The beneficial effects of the present invention are：Testing stand in the present invention can pass through air door blocking firmly-extraction dynamic voltage adjustment-
Nitrogen curtain is soft to obstruct the method that three's linkage is adjusted to study the gas migration rule and barrier mechanism under multifactor impact.
Description of the drawings
Attached drawing 1 is the test principle figure of the present invention
In figure, 1 gas source, 2 valves, 3 glass rotameters, 4 gas inlets, 5 air doors, 6 firedamp sensors, 7 nitrogen curtains, 8
Filter bag, 9 drainage tubes, 10 frequency conversion explosion proof wind turbines, 11 anemobiagraphs, 12 openings；I gas source region, II high concentration gas extraction area, III is slow
Rush area, IV, V nitrogen curtain baffle area, VI effect detection area.
Specific implementation mode
With reference to specific embodiment, the present invention is described in detail.
Embodiment 1
It is the testing stand for obstructing mechanism in the embodiment for studying calm driving system gas, the testing stand as shown in Fig. 1
Global design is cuboid, and size is 4m × 1m × 0.8m, and the testing stand according to building as follows：
1, it is laid with roadway floor：High-densit cystosepiment bottom plate is placed on preset position, simulates roadway floor, and brush
Foamed glue.
2, wall surface of meeting head on is installed：In wall surface lower face brushing foamed glue of meeting head on, keeps it bonding with bottom layer foam plate, use ring
Oxygen resin glue is bonded, while uniformly being tapped using pneumatic hammer keeps its bonding secured, and in the lower half of this wall surface cystosepiment
At branch center, the first gas inlet 4 is held successfully.
3, seating side cystosepiment is connected with the wall surface of meeting head on of Gas, and arranges upper gas inlet.After bonding
Groove, which is opened up, in two wall surfaces carrys out inlay card transparent organic glass.
4, tunneling boring installs the fiber filter bag 8 of 0.005m thickness at away from Gas wall surface 0.1m, and fiber filter bag is turned down
It after sealing, is fixed on roof and floor and two helps on wall surface, play the role of converting gas by point source to face source.
5, away from Gas wall surface（The faces ABCD）First of air door 5 is set at 0.62m, away from Gas wall surface
Second air door 5 is set at 1.82m, nitrogen curtain 7 is installed at away from Gas wall surface 2.82m, away from Gas wall surface
It is arranged at 3.82m on 5,3 air door of third road air door and is both provided with opening 12, testing stand is divided into five regions, the firstth area
Domain is gas source region I, and second area is high concentration gas extraction area II, and third region is buffering area III, is nitrogen in the fourth region
Air curtain baffle area IV, V, the 5th area are effect detection area VI, and in all commissural junctions trypsin method glass silica gels, until taking
Build up completely enclosed, the cuboid testing stand without gas leakage of a 4m × 1m × 0.8m.
6, it is the gas for filling same volume in the airbag of 50L to three capacity, as gas source 1, is placed in gas source
Entry position is gushed, the additional plate above the airbag full of gas at three, tablet top adds uniform load, opens valve 2, and
Gas speed, three initial flows for gushing out mouth are set by the governor of rotary glass spinner flowmeter 3 in exit
The setting of meter speed degree is consistent, and maintains this speed constant in single experiment.Gas is after reduction of speed average rate, to realize by point source
To the conversion in face source, high concentration region is entered.
7, gas density data collecting system is installed：Using A as origin, the side AB, AV and AD is respectively that X, Y, Z axis establishes coordinate
System, in x=0.5m, z=0.6m, y=0.4m, 1.2m, 2.3m, 3.5m, 3.9m position install 1 ~ No. 5 firedamp sensor 6, each
Firedamp sensor is hung vertically by the iron wire of two a diameter of 0.005m to be fixed on external fixed frame, to watt in testing stand
This carries out real-time dynamic monitoring, and No. 1 firedamp sensor shows the gas density changed over time in high concentration region；No. 2 gas pass
Sensor detection is leaked to the gas density of buffering area by adhesive tape mouth through first of air door blocking limitation；No. 3 firedamp sensors measure
Gas density in front of nitrogen curtain at 0.5m；Gas density at No. 4 sensor test nitrogen curtain rear 0.5m；No. 5 sensors
Gas density of monitoring effect detection zone under the influence of no air curtain jet entrainment.The induction module distance top of firedamp sensor 6
Plate is 0.05m, and distance side wall surface is 0.1m, the position of each region arrangement firedamp sensor and mode all same.Methane sensing
The data of device reach computer by signal wire and USB-485 converters, and collection and the guarantor of data are carried out by x-smart softwares
It deposits, in case the data processing in later stage.In view of safety factor, sensor lower limit induction concentration should be set as 0%, and upper limit induction is dense
Degree is set as 1%, and 5% ~ 16% explosive range is reached to avoid gas density in testing stand in experimentation.
8, gas pumping pipe 9 is installed：Distance side wall surface 0.1m is hung apart from the position of top plate wall surface 0.1m in testing stand
Hang a diameter of 0.08m, the drainage tube that length is 4.5m, drainage tube nozzle is away from the faces ABCD 0.5m, and the gas in drainage tube is according to examination
Airflow direction shown in schematic diagram is tested to flow.Before firing test, experimenter, which need to enter, starts frequency conversion explosion proof wind turbine in testing stand
10, it is used in combination anemobiagraph 11 to measure the speed of nozzle.Meanwhile the gas density of drainage tube outlet port is carried out at interval of 10min
Detection, prevents gas leakage.
9, it is 0.005m nitrogen curtains 7 road width to be arranged at distance ABCD face 2.82m, which includes fixation
Nitrogen cylinder is connected drawing nitrogen by hose in the upper port of the three-way steel tube of housing cavity road upper wall surface, the three-way steel tube
Enter, left and right port closed, the bottom of three-way steel tube is provided in the axial direction with strip gap and is formed with ensuring that nitrogen is sprayed by the gap
The nitrogen curtain vertical with base surface, to obstruct gas in the region before nitrogen curtain.The nitrogen outlet position of nitrogen cylinder
Pressure reducing valve can be installed by setting, for showing outlet pressure, interior of steel bottle pressure.
10, the variables such as single change outburst amount, extraction amount, nitrogen curtain muzzle velocity, carry out multigroup experiment.
Finally illustrate, the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although with reference to compared with
Good embodiment describes the invention in detail, it will be understood by those of ordinary skill in the art that, it can be to the skill of the present invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the right of invention.
Claims (8)
1. a kind of testing stand for studying calm driving system gas barrier mechanism, it is characterised in that：Include by it is upper and lower,
The front face of the cuboid housing that the wall surface of left, right, front and rear 6 encloses, the shell is equipped with the first gas inlet（4）,
The second gas inlet positioned at front and third gas inlet are respectively equipped on left and right wall surface, 3 gas inlets pass through company respectively
Logical piping connection gas source（1）And volume control device is housed on connecting pipeline, it is disposed on the housing cavity road
Filter bag positioned at gas inlet rear（8）, first of air door (5), second air door (5), nitrogen curtain（7）With third road air door
(5), opening is provided on air door（12）, the region so that five gas densities of formation are successively decreased is followed successively by gas source region I, high concentration
Gas pumping area II, buffering area III, nitrogen curtain baffle area IV, V and effect detection area VI；Further include having drainage tube（9）, described
The Single port of drainage tube is in high concentration gas extraction area II, and another port connects frequency conversion fan（10）；The high concentration
Gas pumping area II, buffering area III, nitrogen curtain baffle area IV, V and effect detection area VI are respectively equipped with firedamp sensor, each watt
This sensor realizes data connection to carry out the collection of data with data processing equipment；The testing stand stopped firmly using air door-
The soft barrier three of extraction dynamic voltage adjustment-nitrogen curtain link the mode that adjusts study gas migration rule under multifactor impact and
Gas obstructs mechanism.
2. being used to study the testing stand of calm driving system gas barrier mechanism according to claim 1, it is characterised in that：Institute
It includes valve to state volume control device（2）And glass rotameter（3）.
3. being used to study the testing stand of calm driving system gas barrier mechanism according to claim 1, it is characterised in that：Institute
It is frequency conversion explosion proof wind turbine to state frequency conversion fan, and anemobiagraph is arranged in the outlet of frequency conversion fan（11）.
4. being used to study the testing stand of calm driving system gas barrier mechanism according to claim 1, it is characterised in that：Institute
Transparent organic glass of the left and right two side walls face by high-densit cystosepiment and positioned at middle part is stated to form；Upper and lower two wall surfaces are by height
Dense foam board group at；The Gas wall surface of front and the boundary wall at rear portion are made of high-densit cystosepiment.
5. being used to study the testing stand of calm driving system gas barrier mechanism according to claim 1, it is characterised in that：Institute
It is fiber filter bag to state filter bag, and gas is converted by point source to face source.
6. being used to study the testing stand of calm driving system gas barrier mechanism according to claim 1, it is characterised in that：Institute
It states air door and uses poly (methyl methacrylate) plate or papery hardboard.
7. being used to study the testing stand of calm driving system gas barrier mechanism according to claim 1, it is characterised in that：Institute
The structure for stating nitrogen curtain includes to be fixed on the three-way steel tube of housing cavity road upper wall surface, and the upper port of the three-way steel tube passes through
Hose connects nitrogen cylinder to introduce nitrogen gas into, and the bottom of left and right port closed, three-way steel tube is provided in the axial direction with strip gap
To ensure that nitrogen is sprayed by the gap and formed the nitrogen curtain vertical with base surface, to obstruct gas before nitrogen curtain
In region.
8. being used to study the testing stand of calm driving system gas barrier mechanism according to claim 7, it is characterised in that：Institute
State the nitrogen outlet position installation pressure reducing valve of nitrogen cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810320259.2A CN108318272A (en) | 2018-04-11 | 2018-04-11 | A kind of testing stand for studying calm driving system gas barrier mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810320259.2A CN108318272A (en) | 2018-04-11 | 2018-04-11 | A kind of testing stand for studying calm driving system gas barrier mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108318272A true CN108318272A (en) | 2018-07-24 |
Family
ID=62897254
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810320259.2A Pending CN108318272A (en) | 2018-04-11 | 2018-04-11 | A kind of testing stand for studying calm driving system gas barrier mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406292A (en) * | 2018-12-04 | 2019-03-01 | 滨州学院 | A kind of Water Inrush process similar material simulation experiment device and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1053104A (en) * | 1989-12-30 | 1991-07-17 | 钟显亮 | Safe coal mining process without ventilation in mine |
| CN201262094Y (en) * | 2008-09-19 | 2009-06-24 | 王勇 | Pneumatic wind door interlocking apparatus for coal mine down-hole air duct |
| CN106761926A (en) * | 2016-11-17 | 2017-05-31 | 北京科技大学 | A kind of soft or hard closing blocking method of underground coal mine anaerobic driving face |
| CN208076174U (en) * | 2018-04-11 | 2018-11-09 | 滨州学院 | A kind of testing stand for studying calm driving system gas barrier mechanism |
-
2018
- 2018-04-11 CN CN201810320259.2A patent/CN108318272A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1053104A (en) * | 1989-12-30 | 1991-07-17 | 钟显亮 | Safe coal mining process without ventilation in mine |
| CN201262094Y (en) * | 2008-09-19 | 2009-06-24 | 王勇 | Pneumatic wind door interlocking apparatus for coal mine down-hole air duct |
| CN106761926A (en) * | 2016-11-17 | 2017-05-31 | 北京科技大学 | A kind of soft or hard closing blocking method of underground coal mine anaerobic driving face |
| CN208076174U (en) * | 2018-04-11 | 2018-11-09 | 滨州学院 | A kind of testing stand for studying calm driving system gas barrier mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406292A (en) * | 2018-12-04 | 2019-03-01 | 滨州学院 | A kind of Water Inrush process similar material simulation experiment device and method |
| CN109406292B (en) * | 2018-12-04 | 2023-12-22 | 滨州学院 | Simulation experiment device and method for similar materials in water inrush process of bottom plate |
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