CN102706533B - Device for researching mutual action of shock wave and liquids in different forms - Google Patents
Device for researching mutual action of shock wave and liquids in different forms Download PDFInfo
- Publication number
- CN102706533B CN102706533B CN201210161789.XA CN201210161789A CN102706533B CN 102706533 B CN102706533 B CN 102706533B CN 201210161789 A CN201210161789 A CN 201210161789A CN 102706533 B CN102706533 B CN 102706533B
- Authority
- CN
- China
- Prior art keywords
- experimental section
- section
- square
- shock wave
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Instructional Devices (AREA)
Abstract
The invention discloses a device for researching a mutual action of a shock wave and the liquids in different forms. A high pressure air source of the device is connected with a high pressure section, the high pressure section and a low pressure section form a horizontal shock wave pipe; the high pressure section and the low pressure section are arranged on a trolley, and the trolley is installed on a bracket; an experimental section is connected to the middle of the low pressure section and a vacuum box through a flange, a water tank with a three-way valve is arranged on the experimental section and connected with a water inlet installed at the upper part of the experimental section through a water pipe; the vacuum box is also installed on the bracket, a water collecting container is arranged on the bracket at the lower part of the experimental section. The experimental section provided by the invention can dynamically observe and measure the shock wave structure and the liquid change after the shock wave action, and establish liquid models in different orders and forms; by using different test pieces, the mutual action among the shock wave, a liquid drop, a liquid pillar and a liquid curtain can be realized smoothly; the device provides a reliable, convenient and efficient experimental device and test for researching the mutual action principle of the shock wave and the liquid, and the property of shock wave induced gas-liquid dual-phase flow.
Description
Technical field
The present invention relates to the experimental provision of multiphase fluid mechanics, aerodynamics behavior and characteristic, especially relate to a kind of for studying shock wave and the interactional device of different shape liquid.
Background technology
?the interaction of shock wave and liquid is a typical multiphase fluid mechanics problem, and the further investigation of this problem is had to theory and realistic meaning widely.When the sail body of high-speed flight passes rain belt, conventionally can run into so-called supersonic speed raindrop erosion phenomenon, the interaction of research detached shock wave and drop, can alleviate by suitable aerodynamic design the impact that this erosion brings.Meanwhile, shock wave is the also important role of designing and developing at internal combustion engine and gas turbine to the atomization of fuel liquid, and the mixability that improves liquid-to-air by atomization can improve burning efficiency greatly.In addition, the propagation and development of shock wave in solution-air system, also closely related with the stability of liquid fuel combustion in detonation engine and rocket engine.Shock wave is shed in military engineering and disaster also has important application aspect preventing and treating.By shock wave, shed large-scale inert substance and can stop spreading of fire, by discharging water curtain, also can effectively stop the diffusion of flue dust.In colliery and chemical plant production, shed the generation that fire retardant can prevent fire, after blasting, by the multilayer of control system generation accurately water curtain, can effectively consume the energy of explosive shock wave, avoid causing great security incident.Shock wave and liquid interaction can cause typical Richtmyer-Meshkov(RM) instability, this instability has important Research Significance at aspects such as inertial confinement fusion (Inertial Confinement Fusion, ICF) and supernova (supernova) outbursts.Therefore in nature and engineering reality, the form of liquid is Protean, designs a kind ofly can study shock wave and the interactional experimental provision of different shape liquid seems particularly important.
Summary of the invention
For existing problem in background technology, the object of the present invention is to provide a kind ofly for studying shock wave and the interactional device of different shape liquid, by using different test specimens, can realize smoothly the interaction of shock wave and drop, fluid column and liquid curtain.
The technical scheme that the present invention solves its technical matters employing is:
Its high-pressure air source of the present invention connects high pressure section, and high pressure section and low pressure stage form horizontal shock tube, and high pressure section and low pressure stage are placed on dolly, and dolly is rack-mount; Experimental section is connected between low pressure stage and vacuum tank by flange respectively, water tank with T-valve is placed on above experimental section, by water pipe, be connected with the water inlet that is arranged on experimental section top, vacuum tank is also rack-mount, and the support of experimental section below is provided with collecting container.
The outside cross section, footpath of described experimental section is square, in square experimental section above and below, be steel plate, on steel plate, symmetry has square hole respectively, the forward and backward poly (methyl methacrylate) plate that is of square experimental section, test specimen plate is housed in square hole above square experimental section, test specimen plate axially has two stepped appearance through holes, in each stepped appearance through hole, fluid column joint is housed respectively, in fluid column joint center pit, measure-alike needle tubing is housed respectively; Draining lower plate is housed below square experimental section, in draining lower plate, has the drainage stopper coaxially arranged with two stepped appearance through holes of test specimen plate.
The outside cross section, footpath of described experimental section is square, in square experimental section above and below, be steel plate, on steel plate, symmetry has square hole respectively, the forward and backward poly (methyl methacrylate) plate that is of square experimental section, test specimen plate is housed in square hole above square experimental section, test specimen plate has two, perpendicular to axis, measure-alike rectangular through holes, a liquid curtain joint that can regulate rectangular through holes width is all housed in each rectangular through holes, and two rectangular through holes are provided with open containers outward; In draining lower plate, have the stifled bar of the draining coaxially arranged with test specimen plate two rectangular through holes.
Inside cross section, the footpath square hole size of described experimental section is that 120 * 120mm, length are 520mm, and the square inner bore of experimental section is connected by flange with the square inner bore of low pressure stage.
The beneficial effect that the present invention has is:
Experimental section of the present invention can carry out shock wave structure, and dynamic observation and the measurement of the variation of liquid after Shock Wave, can set up arrange, liquid model that form is different, by using different test specimens, can realize smoothly the interaction of shock wave drop, fluid column and liquid curtain; For carrying out shock wave and liquid interaction mechanism and SHOCK WAVE INDUCED biphase gas and liquid flow characteristic research, a kind of reliable, convenient, efficient experimental provision and test are provided.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the vertical view of experimental section.
Fig. 3 is the sectional view of experimental section.
Fig. 4 is the test specimen composition that hardens.
Fig. 5 is drop joint figure.
Fig. 6 is fluid column joint figure.
Fig. 7 is liquid curtain test specimen figure.
In figure: 1, high-pressure air source, 2, high pressure section, 3, low pressure stage, 4, experimental section, 5, vacuum tank, 6, water tank, 7, T-valve, 8, connecting water pipe, 9, collecting container, 10, dolly, 11, support, 12, square hole, 13, pressing plate, 14, gasket seal, 15 side plates, 16, poly (methyl methacrylate) plate, 17, top board, 18, test specimen plate, 19 draining lower plates, 20, socket head cap screw, 21, stepped appearance through hole, 22, needle tubing, 23, fluid column joint, 24, open containers, 25, liquid curtain joint, 26, rectangular through holes.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.
As shown in Figure 1, its high-pressure air source 1 of the present invention connects high pressure section 2, and high pressure section 2 and low pressure stage 3 form horizontal shock tube, and high pressure section 2 and low pressure stage 3 are placed on dolly 10, and dolly 10 is arranged on support 11, has conveniently tested rear replacing aluminium film; Experimental section 4 is connected between low pressure stage 3 and vacuum tank 5 by flange respectively, water tank 6 with T-valve 7 is placed on above experimental section 4, by connecting water pipe 8, be connected with the water inlet that is arranged on experimental section 4 tops, vacuum tank 5 is also arranged on support 11, and the support 11 of experimental section 4 belows is provided with collecting container 9.Between high pressure section 2 and low pressure stage 3, aluminium film is installed, and vacuum tank is vacuumized, alleviate the destruction of shock wave to whole experimental provision; High-pressure air source 1 is to the interior injecting gas of high pressure section 2, and when interior pressure reaches certain value, gas will puncture the aluminium film being arranged between high pressure section 2 and low pressure stage 3 and produce shock wave, and liquid passes through in test specimen injection experiments section from water tank 6, and finally enters in collecting container 9; Change drop, fluid column and liquid curtain that test specimen can form single, double and many rows, outside the machine glass plate 16 in experimental section the place ahead, lay illuminating lamp and high-speed camera, so that the deformation of recording liquid.
As shown in Figure 2 and Figure 3, because requiring internal channel, sharp wave propagation can not there is distortion, this experimental section has adopted following design: in side plate 15 guarantees while welding with top board 17, sectional dimension and low pressure stage are consistent, on side plate, fluting packs square poly (methyl methacrylate) plate 16 into, after installing gasket seal 14, fixing by pressing plate 13, and guarantee in experimental section that step does not appear in cross section, impact swashs wave propagation.
As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, the outside cross section, footpath of described experimental section 4 is square, in square experimental section 4 above and below, be steel plate, on steel plate, symmetry has square hole 12 respectively, the forward and backward poly (methyl methacrylate) plate that is of square experimental section 4, square experimental section 4 is equipped with test specimen plate 18 in square hole above, test specimen plate 18 axially has two stepped appearance through holes 21, the interior fluid column joint 23 that is equipped with respectively of each stepped appearance through hole 21, with being threaded, in fluid column joint 23 center pits, measure-alike needle tubing 22 is housed respectively; Square experimental section 4 is equipped with draining lower plate 19 below, has the drainage stopper coaxially arranged with 18 two stepped appearance through holes 22 of test specimen plate in draining lower plate 19.Figure 4 shows that drop, the fluid column test specimen composition that hardens, Fig. 5 is drop joint, Fig. 6 is fluid column joint, during single experiment, right ports screws in plug sealing, during double experiment, drop joint, fluid column joint are screwed in hole, be then connected with water pipe, Open valve is tested, symmetrical draining lower plate is housed in the bottom of experimental section, perforate is consistent with upper plate, and because the internal channel size of joint is less than the size in hole, liquid can fall to collecting container smoothly, form stable drop, fluid column, fluid column diameter is 3,5mm.By assigning special lengthening stainless steel syringe needle in the middle of the fluid column test specimen, controlling opening of valve, can generate the drop of 0.5-2mm.Test specimen plate 18 and draining lower plate 19 are fixing by socket head cap screw 20.
As shown in Fig. 2, Fig. 7, the outside cross section, footpath of described experimental section 4 is square, in square experimental section 4 above and below, be steel plate, on steel plate, symmetry has square hole respectively, the forward and backward poly (methyl methacrylate) plate that is of square experimental section 4, square experimental section 4 is equipped with test specimen plate 18 in square hole above, test specimen plate 18 has two perpendicular to axis, measure-alike rectangular through holes 26, each rectangular through holes 26 is interior is all equipped with an outer open containers 24 that is provided with of liquid curtain joint 25, two rectangular through holes 26 that can regulate rectangular through holes 26 width; In draining lower plate 19, have the stifled bar of the draining coaxially arranged with 18 liang of rectangular through holes of test specimen plate.Figure 7 shows that liquid curtain test specimen, during single experiment, right ports is blocked by plug, during double-row hole, can in hole, pack the liquid curtain joint 25 that size is different into, for controlling the thickness of liquid curtain, the draining lower plate bore size that install experimental section bottom is slightly larger than top, and liquid can enter collecting container smoothly, can form thickness and be 3,5mm length is the liquid curtain of 80mm.
During the invention process, workflow following (the double fluid column experiment of take is example):
1, the selected gas as high-pressure air source;
2, certain thickness aluminium film is installed between high pressure section and low pressure stage;
3, connecting fluid column joint and water pipe;
4, controlling opening of valve, forms double fluid column stable, consistent size;
5, open high-speed photography system and regulate the intensity of light source;
6, to being filled with gas in high pressure section, make aluminium film rupture produce Shock-Motion;
7, record the interactional process of shock wave and fluid column save data;
8, open the liquid in cover plate cleaning experimental section.
Claims (2)
1. one kind for studying shock wave and the interactional device of different shape liquid, its high-pressure air source (1) connects high pressure section (2), high pressure section (2) and low pressure stage (3) form horizontal shock tube, it is upper that high pressure section (2) and low pressure stage (3) are placed on dolly (10), and dolly (10) is arranged on support (11); Experimental section (4) is connected between low pressure stage (3) and vacuum tank (5) by flange respectively, water tank (6) with T-valve (7) is placed on experimental section (4) above, by connecting water pipe (8), be connected with the water inlet that is arranged on experimental section (4) top, it is upper that vacuum tank (5) is also arranged on support (11), and the support (11) of experimental section (4) below is provided with collecting container (9);
The outside cross section, footpath of described experimental section (4) is square, in square experimental section (4) above and below, be steel plate, on steel plate, symmetry has square hole (12) respectively, the forward and backward poly (methyl methacrylate) plate that is of square experimental section (4), square experimental section (4) is equipped with test specimen plate (18) in square hole above; It is characterized in that: described test specimen plate (18) axially has two stepped appearance through holes (21), and fluid column joint (23) is housed respectively in each stepped appearance through hole, in fluid column joint (23) center pit, measure-alike needle tubing (22) is housed respectively; Square experimental section (4) is equipped with draining lower plate (19) below, has the drainage stopper coaxially arranged with (18) two stepped appearance through holes of test specimen plate (21) in draining lower plate (19).
2. one kind for studying shock wave and the interactional device of different shape liquid, its high-pressure air source (1) connects high pressure section (2), high pressure section (2) and low pressure stage (3) form horizontal shock tube, it is upper that high pressure section (2) and low pressure stage (3) are placed on dolly (10), and dolly (10) is arranged on support (11); Experimental section (4) is connected between low pressure stage (3) and vacuum tank (5) by flange respectively, water tank (6) with T-valve (7) is placed on experimental section (4) above, by connecting water pipe (8), be connected with the water inlet that is arranged on experimental section (4) top, it is upper that vacuum tank (5) is also arranged on support (11), and the support (11) of experimental section (4) below is provided with collecting container (9);
The outside cross section, footpath of described experimental section (4) is square, in square experimental section (4) above and below, be steel plate, on steel plate, symmetry has square hole (12) respectively, the forward and backward poly (methyl methacrylate) plate that is of square experimental section (4), square experimental section (4) is equipped with test specimen plate (18) in square hole above; It is characterized in that: described test specimen plate (18) has two perpendicular to axis, measure-alike rectangular through holes (26), a liquid curtain joint (25) that can regulate rectangular through holes (26) width is all housed, the outer open containers (24) that is provided with of two rectangular through holes (26) in each rectangular through holes (26); In draining lower plate (19), have the stifled bar of the draining coaxially arranged with test specimen plate (18) two rectangular through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210161789.XA CN102706533B (en) | 2012-05-23 | 2012-05-23 | Device for researching mutual action of shock wave and liquids in different forms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210161789.XA CN102706533B (en) | 2012-05-23 | 2012-05-23 | Device for researching mutual action of shock wave and liquids in different forms |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102706533A CN102706533A (en) | 2012-10-03 |
| CN102706533B true CN102706533B (en) | 2014-09-03 |
Family
ID=46899476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210161789.XA Expired - Fee Related CN102706533B (en) | 2012-05-23 | 2012-05-23 | Device for researching mutual action of shock wave and liquids in different forms |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102706533B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103364441B (en) * | 2013-07-26 | 2016-10-05 | 河南教育学院 | The ammonium nitrate explosive explosive method dynamically mixing based on shock wave and device |
| CN107014950A (en) * | 2017-06-15 | 2017-08-04 | 华北电力大学（保定） | A kind of shock tube experiment device |
| CN108896587A (en) * | 2018-07-23 | 2018-11-27 | 浙江理工大学 | The experimental provision and experimental method of gas-solid two-phase shock tube flash X-ray imaging |
| CN110057531A (en) * | 2019-04-02 | 2019-07-26 | 合肥铭远航空科技有限公司 | Shock tube Test Data Collecting analysis system |
| CN110160744B (en) * | 2019-05-22 | 2020-05-12 | 北京理工大学 | Immersed gas-liquid two-phase jet flow unstable flow field measuring system |
| CN112985756B (en) * | 2019-12-13 | 2023-12-22 | 南京理工大学 | Device and method for scattering liquid and solid particles under driving of shock wave |
| CN113390762B (en) * | 2021-06-30 | 2022-09-20 | 中国人民解放军战略支援部队航天工程大学 | Research device for influence of shock wave on evaporation process of fuel liquid drops under supersonic airflow |
| CN113390765B (en) * | 2021-06-30 | 2022-09-23 | 中国人民解放军战略支援部队航天工程大学 | Method for researching influence of shock wave on evaporation process of fuel liquid drops under supersonic airflow |
| CN117740322B (en) * | 2024-02-20 | 2024-05-17 | 中国科学技术大学 | Shock wave experiment structure and shock wave tube |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101274710A (en) * | 2008-04-30 | 2008-10-01 | 浙江理工大学 | Solid particle group accelerating device for shock tube-Laval nozzle |
| CN101428200A (en) * | 2008-11-27 | 2009-05-13 | 浙江理工大学 | Experimental device for submersing two-dimension supersonic-speed gas jet in liquid |
| US7613074B1 (en) * | 2006-01-03 | 2009-11-03 | The United States Of America As Represented By The Secretary Of The Navy | Non-linear optoacoustic narrowband communications technique |
| CN101726402A (en) * | 2009-12-10 | 2010-06-09 | 中国工程物理研究院流体物理研究所 | RM instability precise experiment system for film-free heavy-air column interface |
| CN102407947A (en) * | 2011-08-15 | 2012-04-11 | 中国科学院力学研究所 | Shock tunnel detonation double-driving method and device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202614503U (en) * | 2012-05-23 | 2012-12-19 | 浙江理工大学 | Device for researching interaction between shock wave and liquids of different forms |
-
2012
- 2012-05-23 CN CN201210161789.XA patent/CN102706533B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7613074B1 (en) * | 2006-01-03 | 2009-11-03 | The United States Of America As Represented By The Secretary Of The Navy | Non-linear optoacoustic narrowband communications technique |
| CN101274710A (en) * | 2008-04-30 | 2008-10-01 | 浙江理工大学 | Solid particle group accelerating device for shock tube-Laval nozzle |
| CN101428200A (en) * | 2008-11-27 | 2009-05-13 | 浙江理工大学 | Experimental device for submersing two-dimension supersonic-speed gas jet in liquid |
| CN101726402A (en) * | 2009-12-10 | 2010-06-09 | 中国工程物理研究院流体物理研究所 | RM instability precise experiment system for film-free heavy-air column interface |
| CN102407947A (en) * | 2011-08-15 | 2012-04-11 | 中国科学院力学研究所 | Shock tunnel detonation double-driving method and device |
Non-Patent Citations (6)
| Title |
|---|
| 潘建平等.激波诱导气流与液幕、液柱相互作用的实验研究.《实验力学》.1999,第14卷(第1期),第二节，图1. |
| 激波与液体相互作用实验研究;王翠华;《南京理工大学硕士学位论文》;20090622;全文 * |
| 激波与液滴、液雾相互作用的实验和理论研究;王建;《南京理工大学硕士学位论文》;20030131;全文 * |
| 激波诱导气流与液幕、液柱相互作用的实验研究;潘建平等;《实验力学》;19990331;第14卷(第1期);第二节及图1 * |
| 王建.激波与液滴、液雾相互作用的实验和理论研究.《南京理工大学硕士学位论文》.2003,全文. |
| 王翠华.激波与液体相互作用实验研究.《南京理工大学硕士学位论文》.2009,全文. |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102706533A (en) | 2012-10-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102706533B (en) | Device for researching mutual action of shock wave and liquids in different forms | |
| CN101477094B (en) | Experimental device for restraining gas and dust explosion by water mist | |
| CN102914522B (en) | Gas-liquid combined laser induced breakdown spectroscopy detection device and method | |
| CN202614503U (en) | Device for researching interaction between shock wave and liquids of different forms | |
| CN101726402B (en) | RM instability precise experiment system for film-free heavy-air column interface | |
| CN103499517A (en) | Device and method for measuring internal contact angle of high-temperature and high-pressure capillary tube | |
| CN201537571U (en) | Oil mist particle generator | |
| Wu et al. | Effects of the overall length and OD on opposing-pulse-jet cleaning for pleated filter cartridges | |
| CN103015993B (en) | Water and gas disperse injection device for core gas-injection flooding experiment | |
| Ghiji et al. | Effect of residual air bubbles on diesel spray structure at the start of injection | |
| CN202382976U (en) | Light-weight portable unpowered oxygen separation sampler | |
| CN109339988A (en) | A kind of pneumatic type drop generating device and method suitable for high viscosity fluid | |
| CN109406094B (en) | Experimental device for simulating microcosmic drag reduction performance of drag reducer in near-wall area | |
| CN105717270B (en) | Gel propellant list drop second-time breakage experimental provision | |
| CN208728914U (en) | Laser smoke dust absorbing device | |
| CN203772611U (en) | Mixer for measuring flue gas ingredients of power station boiler | |
| CN106023741B (en) | Hourglass wishes sieve fountain circulation demonstration device | |
| CN114427394B (en) | Intermediate container with zero additional resistance and quick heat exchange | |
| CN202770740U (en) | Spray generating device of multifunctional test device | |
| CN106057032B (en) | Circulating uncommon sieve fountain demonstrator | |
| CN103728115B (en) | A kind of combined type PIV trace particle applicator for the experiment of wind table | |
| CN203324255U (en) | System for evaluating foaming performance of liquid | |
| CN213601628U (en) | Ultrasonic molecular beam injection model | |
| CN103630489A (en) | Self-circulation solid-liquid phase erosion corrosion experiment apparatus | |
| CN203324254U (en) | Device for evaluating foaming performance of liquid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20150523 |
|
| EXPY | Termination of patent right or utility model |