CN108896106A - A kind of list bubble collapse and more field measurement platforms of material boundary coupled characteristic - Google Patents

A kind of list bubble collapse and more field measurement platforms of material boundary coupled characteristic Download PDF

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Publication number
CN108896106A
CN108896106A CN201810557103.6A CN201810557103A CN108896106A CN 108896106 A CN108896106 A CN 108896106A CN 201810557103 A CN201810557103 A CN 201810557103A CN 108896106 A CN108896106 A CN 108896106A
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field
vacuole
test board
image
water tank
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张敏弟
常青
马潇健
黄彪
王国玉
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Beijing Institute of Technology BIT
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Beijing Institute of Technology BIT
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00Measuring or testing not otherwise provided for
    • G01D21/02Measuring two or more variables by means not covered by a single other subclass
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00Component parts of measuring arrangements not specially adapted for a specific variable

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  • General Physics & Mathematics (AREA)
  • Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)

Abstract

The invention discloses a kind of single bubble collapse and the more field measurement platforms of material boundary coupled characteristic, which includes test board, Experimental Water Tank, sparker, transient cavity morphologic observation system, transient cavity sports ground measuring system and structural stress acquisition system;Sparker generates single vacuole and the test board effect of intercoupling, and transient cavity morphologic observation system carries out qualitative and quantitative analysis to the geometric scale of vacuole form using high speed video observation and image processing techniques;Transient cavity sports ground measuring system illuminates the trace particle in flow field using sheet laser and records image, carries out cross-correlation analysis to the adjacent image in image sequence and obtains instantaneous velocity vector field, processing obtains velocity field and Vorticity Field information;Structural stress acquisition system is analyzed under different initial distances according to test board wall surface dynamic response process, the correlation and the mechanism of action of bubble collapse load and the deformation of test board wall surface near test board.

Description

A kind of list bubble collapse and more field measurement platforms of material boundary coupled characteristic
Technical field
The present invention relates to a kind of experiment measuring devices for studying bubble collapse and boundary coupling, for studying elasticity The influence that develops to Bubble of environmental pressure of material structure parameter, fluid, obtains vacuole form, the speed of instantaneous evolution process Spend the unsteady distribution of field, pressure field.
Background technique
In production and life, the example of Hollow fluid bubble is much.The phenomenon that crumbles and fall of vacuole may be with beneficial side Formula is utilized, such as ultrasonic cleaning etc. in medical treatment;And more in nature, crumbling and fall for vacuole can cause seriously Disaster, such as the vacuole that is generated in propeller operation process seriously injuring to propeller.In order to reduce cavitation phenomena to water The damage of flowering structure body, scientist have done many effort, and traditional rigid material is nowadays substituted with composite material elastomeric material Material becomes new breakthrough mouth.Vacuole all is studied not using the method for vacuole is generated in sink in lot of domestic and international laboratory With the kinetic characteristic in situation.
(1) vibrate vacuole short round wall surface visualized experiment research (《Lathe with it is hydraulic》6th phase in 2015);Using one The low-voltage circuit of a 60V generates vibration vacuole to study the dynamic characteristic of short round wall surface vacuole, is recorded using high-speed camera The change shape of vacuole, vibration vacuole are generated by 60v low-voltage circuit.
(2) gas bubble in underwater explosion pulsation empirical value simulation (《Beijing Institute of Technology's journal》The 12nd phase of December in 2008 Volume 28), vacuole is generated using column TNT explosive.
(3) under Elastic-Plastic Boundary gas bubble in underwater explosion dynamic characteristic Study on Numerical Simulation (《Journal of System Simulation》2009 The 21st phase volume 14 in year);Three-dimensional bubble model is established with finite element software MSC.Dytran, to horizontal elastoplasticity thin plate boundary Under the conditions of gas bubble in underwater explosion kinetic characteristic measure.
(4) a kind of water shooting gas bubble pulsation experiment research (《Chinese Journal Of High Pressure Physics》The 5th phase the 23rd of October in 2009 Volume);Water shooting gas bubble pulsation experiment is carried out using directly small equivalent PETN explosive.
There is experimental provision complexity in above experimental study, experiment effect is undesirable, the lower defect of experiment safety.
Summary of the invention
In view of this, the present invention provides a kind of single bubble collapse and the more field measurement platforms of material boundary coupled characteristic, it should Measurement can study elastic material structure parameter (inertia coeffeicent, damped coefficient and stiffness coefficient), fluid environmental pressure to sky The influence of Evolution Development is steeped, the unsteady distribution of the vacuole form, velocity field, pressure field of instantaneous evolution process is obtained.Simultaneously also Elastic material wall surface dynamic response process can be studied, is analyzed under different initial distances, bubble collapse load near elastic material With the correlation and the mechanism of action of elastic material wall surface deformation.
A kind of list bubble collapse and more field measurement platforms of material boundary coupled characteristic, which includes test board, reality Test water tank, sparker, transient cavity morphologic observation system, transient cavity sports ground measuring system and structural stress acquisition System;
The test board is arranged inside Experimental Water Tank, and the sparker can generate closely inside Experimental Water Tank Single vacuole of test board, single vacuole and the test board effect of intercoupling, by controlling the position of sparker come smart The really initial position of control vacuole;The transient cavity morphologic observation system is located at outside Experimental Water Tank, the transient cavity shape State observing system carries out qualitative and quantification to the geometric scale of vacuole form using high speed video observation and image processing techniques Analysis;The transient cavity sports ground measuring system illuminates the trace particle in flow field using sheet laser and records image, to figure Instantaneous velocity vector field is obtained as the adjacent image in sequence carries out cross-correlation analysis, processing obtains velocity field and Vorticity Field is believed Breath realizes the continuous measurement on single vacuole time dimension;The structural stress acquisition system is for the stress on collecting test plate Variation, according to test board wall surface dynamic response process, is analyzed under different initial distances, test board bubble collapse load and survey nearby The correlation and the mechanism of action of test plate (panel) wall surface deformation.
Further, the Experimental Water Tank is made of cabinet and top cover, and the docking site of cabinet and top cover is flange arrangement, It is bolted to form closed cavity after sealing ring is arranged between cabinet and top cover;Top cover be equipped with air pump, vacuum pump and Thermometer, air pump and vacuum pump are pressurized or are depressurized to the water in Experimental Water Tank respectively, and thermometer is used for measurement experiment water tank Interior water temperature studies the vacuole behavior under different operating conditions by changing the temperature and pressure condition of water.
Further, the sparker connects 220V-50Hz alternating current, realizes that the moment of 1200V high-voltage electricity releases It puts.
Further, the fixation device of the test board is made of two tiger's jaw pincers, and fixed device can realize various dimensions not The accurate fixation of the test board of stack pile.
Further, the transient cavity morphologic observation system includes the image procossing in light source, video camera and computer Module, the image of the camera record macroscopic view vacuole Form Development process, the image processing module in computer pass through image Processing technique carries out qualitative and quantification analysis to the intensity of vehicle repair major mass exchange.
Further, the transient cavity sports ground measuring system includes the sky in high speed camera, laser and computer Steep sports ground measurement module, the laser converts out sheet laser and illuminates trace particle in flow field, high speed camera to image into Row record, carrying out cross-correlation analysis to the adjacent image in image sequence can be obtained instantaneous velocity vector field, and count after passing through Water turbomachinery field measurement module in calculation machine and obtain velocity field and Vorticity Field information, realize the company on transient cavity time dimension Continuous measurement.
Further, the structural stress acquisition system includes PCB piezoelectric transducer, amplifier, capture card and calculating Data acquisition module in machine.
Beneficial effect:
1, transient cavity morphologic observation system of the invention may be implemented accurately to record macroscopical vacuole Form Development process, wink State cavitation oscillation characteristic, the development of analysis and summary vacuole and the functions such as mechanism that crumble and fall.
2, transient cavity sports ground measuring system of the invention may be implemented accurately to record flow field average speed evolution process, The effective informations functions such as transient flow field VELOCITY DISTRIBUTION, flow field turbulence pulsation feature.
3, structural stress acquisition system of the invention may be implemented accurately to record the distribution of transient pressure pulse characteristic time domain and The functions such as transient pressure pulsatile characteristics frequency.
4, the present invention can flexibly replace the test board of different boundary structure, which can be for applied to hydrodynamic force Learn material structure be designed at manufacture provide theoretical foundation, for further investigation Bubble dynamics characteristic and structure dynamic response it Between fluid structurecoupling mechanism reliable analysis experimental data is provided.
5, sparker of the invention have positioner, it can be achieved that three degree of freedom control, it is raw to vacuole It is accurately positioned at position.
6, the present invention can carry out water tank taking out the pressure of pressure and pressurization to adjust flow field;Can with regulating tank temperature, To be studied under more operating conditions.
7, measuring table of the invention is easily operated, compact-sized orderly, simple and convenient, is easily installed, dismantles and moves, The features such as capableing of the completion experimental duties of efficiently and accurately, obtaining experimental data.
Detailed description of the invention
Fig. 1 is system composition schematic diagram of the invention.
Wherein, 1- air pump, 2- vacuum pump, 3- pressure gauge, 4- sealing ring, 5- high-speed camera, 6- computer, 7- water pipe, 8- Experimental Water Tank, 9- test board, 10- light source, 11- bolt, 12- thermometer, 13- sparker.
Specific embodiment
The present invention will now be described in detail with reference to the accompanying drawings and examples.
As shown in Fig. 1, the present invention provides a kind of single bubble collapse and the more field measurement platforms of material boundary coupled characteristic, The measuring table includes test board 9, Experimental Water Tank 8, sparker 13, transient cavity morphologic observation system, transient cavity Sports ground measuring system and structural stress acquisition system;
Experimental Water Tank 8 is made of cabinet and top cover, and the docking site of cabinet and top cover is flange arrangement, cabinet and top cover it Between be arranged sealing ring 4 after by bolt 11 fixation form closed cavity;Top cover is equipped with air pump 1 and vacuum pump 2, sets on top cover There are air pump 1, vacuum pump 2, pressure gauge 3 and thermometer 12, air pump 1 and vacuum pump 2 are respectively pressurized the water in Experimental Water Tank Or decompression, thermometer 12 are studied not for the water temperature in measurement experiment water tank 8 by changing the temperature and pressure condition of water With the vacuole behavior under operating condition, the bottom of cabinet is provided with water pipe 7, for realizing filling the water and draining.
Test board 9 is fixed on inside Experimental Water Tank 8 by the fixation device of two tiger's jaw pincers compositions, sparker 13 Single vacuole of nearly test board 9 can be generated inside Experimental Water Tank 8, sparker 13 connects 220V-50Hz alternating current, real Single vacuole is generated after the abrupt release of existing 1200V high-voltage electricity.Single vacuole and the effect of intercoupling of test board 9, pass through control Accurately to control the initial position of vacuole in the position of sparker 13.
Transient cavity morphologic observation system includes the image processing module in light source 10, high-speed camera 5 and computer 6, High-speed camera 5 records the image of macroscopical vacuole Form Development process, and the image processing module in computer 6 passes through image procossing Technology carries out qualitative and quantification analysis to the intensity of vehicle repair major mass exchange.
The variation of single vacuole over time and space, is the direct reflection of vehicle repair major transmittance process, vacuole form it is several What scale reflects the development degree of substance transmitting, and vacuole, which changes with time, reflects the intensity of vehicle repair major mass exchange, Existing high speed video observation and image processing techniques can carry out qualitative and quantification analysis to this problem.This system High-speed camera and the calculating for real-time display storage image including dysprosium lamp, record flow field structure as light source 10 Machine.Wherein three dysprosium lamp power are all 1kw, respectively as main light source and secondary light source;The high-speed camera 5 of record flow field image is adopted The HG-LE type camera produced with Kodak.HG-LE high-speed camera has speed using cmos sensor as recording medium The characteristics of degree is fast, and power consumption is small and image clearly.Its writing speed reaches as high as 100, and 000 frame/second (fps) can meet vacuole The needs of Study on Flow Field.
Transient cavity sports ground measuring system includes the water turbomachinery field measurement in high speed camera, laser and computer 6 Module, laser convert out sheet laser and illuminate trace particle in flow field, and high speed camera records image, to image sequence In adjacent image carry out cross-correlation analysis and can be obtained instantaneous velocity vector field, and pass through the water turbomachinery in rear computer 6 Field measurement module and obtain velocity field and Vorticity Field information, realize transient cavity time dimension on continuous measurement.
Consider that vacuole flowing has significant unsteady characteristic, cooperates continuous laser (wavelength 523nm), turned with laser The sheet laser to swap out illuminates the particle in flow field, by reasonably adjusting camera aperture, clearly records to image.
Structural stress acquisition system include four high frequency sounds and highly sensitive PCB piezoelectric transducer, one have and connect The amplifier of continuous amplification and signal condition function, a capture card with eight Channel Synchronous high speed acquisition functions, in computer 6 Data acquisition module;PCI-6133 of the data collecting card for NI company, 14 precision, eight road synchronized sampling simulation inputs, The sampling rate of 2.5MS/s can be reached under high-speed mode, ± 1.25 arrive the 4 class input ranges of ± 10V, high capacity memory on board (16MS or 32MS), eight hardware timing digital I/O lines;Two 24 digit counters;With simulation triggering and two kinds of digital triggering Triggering mode, Amplifier Model are the 428C16 type of PCB company, and there are four channel, ICP type power supply mode may be implemented 0.1 times Signal amplification within the scope of to 200 times, ± 10V output can work normally in biggish range of temperature.Pressure sensing The 102A05 type of device model PCB company, range 690kPa, sensitivity 7.3mV/kPa, precision 0.014kPa, resonance frequency Rate is higher than 250kHz, and ± 5V output can work normally in biggish temperature and humidity variation range.
Liquid cavitation is induced using sparker abrupt release high-voltage electricity and generates single vacuole, and study single vacuole with Intercouple effect and the mechanism of structure, this experiment porch mainly contain electric spark vacuole generating system, transient cavity form It ties four parts such as observation and processing system, transient motion field measurement and analysis system, structural stress precise acquisition and analysis system Structure and system.The initial position of vacuole is accurately controlled by controlling the position of sparker, is controlled by control voltage The initial size of vacuole processed.In addition to this, the structural parameters of vacuole unsteady prcssure process and material are closely related, it is therefore desirable to Study elastic material structure parameter (inertia coeffeicent, damped coefficient and stiffness coefficient), the environmental pressure of fluid sends out Bubble The influence of exhibition obtains the unsteady distribution of the vacuole form, velocity field, pressure field of instantaneous evolution process.Study elastic material wall Face dynamic response process, is analyzed under different initial distances, elastic material bubble collapse load and the deformation of elastic material wall surface nearby Correlation and the mechanism of action.
In conclusion the above is merely preferred embodiments of the present invention, being not intended to limit the scope of the present invention. All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention Within protection scope.

Claims (7)

1. a kind of list bubble collapse and more field measurement platforms of material boundary coupled characteristic, which is characterized in that the measuring table includes Test board, Experimental Water Tank, sparker, transient cavity morphologic observation system, transient cavity sports ground measuring system and knot Structure stress acquisition system;
The test board is arranged inside Experimental Water Tank, and the sparker can generate nearly test inside Experimental Water Tank Single vacuole of plate, single vacuole and the test board effect of intercoupling accurately are controlled by controlling the position of sparker The initial position of vacuole processed;The transient cavity morphologic observation system is located at outside Experimental Water Tank, the transient cavity Appearance View It examines system and qualitative and quantitative analysis is carried out to the geometric scale of vacuole form using high speed video observation and image processing techniques; The transient cavity sports ground measuring system illuminates the trace particle in flow field using sheet laser and records image, to image sequence In adjacent image carry out cross-correlation analysis obtain instantaneous velocity vector field, processing obtain velocity field and Vorticity Field information, realization Continuous measurement on single vacuole time dimension;The structural stress acquisition system is for the stress variation on collecting test plate, root It according to test board wall surface dynamic response process, analyzes under different initial distances, bubble collapse load and test wooden partition near test board The correlation and the mechanism of action of face deformation.
2. more field measurement platforms as described in claim 1, which is characterized in that the Experimental Water Tank is made of cabinet and top cover, The docking site of cabinet and top cover be flange arrangement, between cabinet and top cover be arranged sealing ring after be bolted to be formed it is closed Cavity;Top cover is equipped with air pump, vacuum pump and thermometer, and air pump and vacuum pump are respectively pressurized the water in Experimental Water Tank Or decompression, thermometer study difference by changing the temperature and pressure condition of water for the water temperature in measurement experiment water tank Vacuole behavior under operating condition.
3. more field measurement platforms as claimed in claim 1 or 2, which is characterized in that the sparker connects 220V- 50Hz alternating current realizes the abrupt release of 1200V high-voltage electricity.
4. more field measurement platforms as claimed in claim 3, which is characterized in that the fixation device of the test board is by two tiger's jaws Pincers composition, fixed device can realize the accurate fixation of the test board of various dimensions different-thickness.
5. more field measurement platforms as claimed in claim 4, which is characterized in that the transient cavity morphologic observation system includes light Image processing module in source, video camera and computer, the image of the camera record macroscopic view vacuole Form Development process, meter Image processing module in calculation machine is carried out qualitative and quantitative by intensity of the image processing techniques to vehicle repair major mass exchange The analysis of change.
6. more field measurement platforms as claimed in claim 5, which is characterized in that the transient cavity sports ground measuring system includes Water turbomachinery field measurement module in high speed camera, laser and computer, the laser convert out sheet laser and illuminate flow field In trace particle, high speed camera records image, carries out cross-correlation analysis to the adjacent image in image sequence Instantaneous velocity vector field is obtained, and velocity field and Vorticity Field letter are obtained by the water turbomachinery field measurement module in rear computer Breath realizes the continuous measurement on transient cavity time dimension.
7. more field measurement platforms as claimed in claim 6, which is characterized in that the structural stress acquisition system includes PCB pressure Data acquisition module in electric-type sensor, amplifier, capture card and computer.
CN201810557103.6A 2018-03-30 2018-06-01 A kind of list bubble collapse and more field measurement platforms of material boundary coupled characteristic Pending CN108896106A (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109926693A (en) * 2019-03-29 2019-06-25 山东大学 A kind of underwater wet welding molten drop bubble synchronizing visual detection system and detection method
CN111751228A (en) * 2020-06-18 2020-10-09 哈尔滨工程大学 Column boundary multi-angle electric spark bubble wall pressure load experimental device
CN112067038A (en) * 2020-05-28 2020-12-11 北京机械设备研究所 Test platform for multi-physical field dynamic response under transient strong electric heating and mechanical loading device
CN113435137A (en) * 2021-07-12 2021-09-24 中国科学院力学研究所 Dynamic analysis system for fluid-solid coupling effect of cavitation bubbles and soft material
CN113483990A (en) * 2021-07-05 2021-10-08 北京理工大学 Underwater free suspension ejection separation test device
CN113670569A (en) * 2021-07-19 2021-11-19 中国矿业大学 Device for observing dynamic behavior of bubble wall collision process and control and observation method
CN113720218A (en) * 2021-08-23 2021-11-30 南京理工大学 Multipoint electric spark bubble generation device and using method thereof
CN113740028A (en) * 2021-08-31 2021-12-03 华电宁德电力开发有限公司 Method for determining pressure pulsation frequency of up-down movement of large-load drum-shaped vortex
CN113792781A (en) * 2021-09-10 2021-12-14 西门子爱克斯射线真空技术(无锡)有限公司 Method and device for evaluating performance of X-ray tube
CN114719912A (en) * 2022-04-26 2022-07-08 中国科学院大学 Experimental system and measuring method for simultaneous measurement of multiple physical fields
WO2022151918A1 (en) * 2021-01-14 2022-07-21 中国长江三峡集团有限公司 Experimental device for determining degree of influence of cavitation bubble on target material based on deformation of target material

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1654962A (en) * 2005-01-18 2005-08-17 浙江大学 Two-phase flow digital particle image speed measurement method and device
US20080166037A1 (en) * 2007-01-08 2008-07-10 Pollack Laboratories, Inc. Image Recognition and Analysis System and Software
CN104792492A (en) * 2015-04-22 2015-07-22 哈尔滨工程大学 Size controllable low-voltage bubble generation experimental set
CN106092503A (en) * 2016-06-29 2016-11-09 北京理工大学 A kind of pressure and temperature adjustable vaporization bubble assay device
CN106197943A (en) * 2016-06-29 2016-12-07 北京理工大学 Vaporization based on pressure and temperature control bubble assay device
CN106482928A (en) * 2016-10-13 2017-03-08 水利部交通运输部国家能源局南京水利科学研究院 Electric spark excites cavity to occur and test device
CN206583695U (en) * 2017-03-21 2017-10-24 哈尔滨工程大学 Pole near field bubbles of electric spark wall pressure load measurement experimental provision under water

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1654962A (en) * 2005-01-18 2005-08-17 浙江大学 Two-phase flow digital particle image speed measurement method and device
US20080166037A1 (en) * 2007-01-08 2008-07-10 Pollack Laboratories, Inc. Image Recognition and Analysis System and Software
CN104792492A (en) * 2015-04-22 2015-07-22 哈尔滨工程大学 Size controllable low-voltage bubble generation experimental set
CN106092503A (en) * 2016-06-29 2016-11-09 北京理工大学 A kind of pressure and temperature adjustable vaporization bubble assay device
CN106197943A (en) * 2016-06-29 2016-12-07 北京理工大学 Vaporization based on pressure and temperature control bubble assay device
CN106482928A (en) * 2016-10-13 2017-03-08 水利部交通运输部国家能源局南京水利科学研究院 Electric spark excites cavity to occur and test device
CN206583695U (en) * 2017-03-21 2017-10-24 哈尔滨工程大学 Pole near field bubbles of electric spark wall pressure load measurement experimental provision under water

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
S. J. SHAW等: "Experimental observations of the stress experienced by a solid surface when a laser-created bubble oscillates in its vicinity", 《ACOUSTICAL SOCIETY OF AMERICA》 *
XIAOJIAN MA等: "Comparisons of spark-charge bubble dynamics near the elastic and rigid boundaries", 《ULTRASONICS - SONOCHEMISTRY》 *

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109926693A (en) * 2019-03-29 2019-06-25 山东大学 A kind of underwater wet welding molten drop bubble synchronizing visual detection system and detection method
CN112067038A (en) * 2020-05-28 2020-12-11 北京机械设备研究所 Test platform for multi-physical field dynamic response under transient strong electric heating and mechanical loading device
CN111751228A (en) * 2020-06-18 2020-10-09 哈尔滨工程大学 Column boundary multi-angle electric spark bubble wall pressure load experimental device
WO2022151918A1 (en) * 2021-01-14 2022-07-21 中国长江三峡集团有限公司 Experimental device for determining degree of influence of cavitation bubble on target material based on deformation of target material
CN113483990A (en) * 2021-07-05 2021-10-08 北京理工大学 Underwater free suspension ejection separation test device
CN113435137B (en) * 2021-07-12 2022-03-29 中国科学院力学研究所 Dynamic analysis system for fluid-solid coupling effect of cavitation bubbles and soft material
CN113435137A (en) * 2021-07-12 2021-09-24 中国科学院力学研究所 Dynamic analysis system for fluid-solid coupling effect of cavitation bubbles and soft material
CN113670569A (en) * 2021-07-19 2021-11-19 中国矿业大学 Device for observing dynamic behavior of bubble wall collision process and control and observation method
CN113720218A (en) * 2021-08-23 2021-11-30 南京理工大学 Multipoint electric spark bubble generation device and using method thereof
CN113720218B (en) * 2021-08-23 2022-08-23 南京理工大学 Multipoint electric spark bubble generation device and using method thereof
CN113740028A (en) * 2021-08-31 2021-12-03 华电宁德电力开发有限公司 Method for determining pressure pulsation frequency of up-down movement of large-load drum-shaped vortex
CN113792781A (en) * 2021-09-10 2021-12-14 西门子爱克斯射线真空技术(无锡)有限公司 Method and device for evaluating performance of X-ray tube
CN114719912A (en) * 2022-04-26 2022-07-08 中国科学院大学 Experimental system and measuring method for simultaneous measurement of multiple physical fields

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Application publication date: 20181127