CN111076889A - Shock tube for dynamic pressure calibrating device - Google Patents
Shock tube for dynamic pressure calibrating device Download PDFInfo
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- CN111076889A CN111076889A CN201911356701.8A CN201911356701A CN111076889A CN 111076889 A CN111076889 A CN 111076889A CN 201911356701 A CN201911356701 A CN 201911356701A CN 111076889 A CN111076889 A CN 111076889A
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- shock tube
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- 230000035939 shock Effects 0.000 title claims abstract description 51
- 239000012528 membrane Substances 0.000 claims abstract description 69
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- 210000000003 hoof Anatomy 0.000 claims description 6
- 229920006267 polyester film Polymers 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 238000012795 verification Methods 0.000 claims 5
- 238000012360 testing method Methods 0.000 abstract description 14
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000002474 experimental method Methods 0.000 abstract description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 238000009434 installation Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 210000001503 joint Anatomy 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/06—Measuring arrangements specially adapted for aerodynamic testing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a shock tube for a dynamic pressure calibrating device, which relates to the technical field of aerospace experiments, and adopts the technical scheme that: the shock tube body comprises a high-pressure section, a low-pressure section and a film clamping mechanism; a sensor to be detected is arranged at the end part of the low-pressure section; the film clamping mechanism comprises a first fixed seat fixedly connected with the outer wall of the high-pressure section, a second fixed seat connected with the outer wall of the low-pressure section, an ear seat, two cylinders fixedly connected with the ear seat and respectively positioned at two sides of the high-pressure section, two trunnions respectively connected with the telescopic ends of the two cylinders, a first flange connected with the end part of the high-pressure section and a second flange connected with the end part of the low-pressure section; a membrane breaking ring and a membrane clamping ring are arranged between the first flange and the second flange; the membrane breaking ring is fixed with a membrane, and the membrane is tightly attached to the membrane clamping ring. The shock tube can utilize the film clamping structure to fully clamp the diaphragm, the diaphragm is convenient to assemble, disassemble, replace and maintain, the diaphragm breaking mode is simple, and the shock tube is beneficial to test operation and meets test requirements.
Description
Technical Field
The invention relates to the technical field of aerospace experiments, in particular to a shock tube for a dynamic pressure calibrating device.
Background
In wind tunnel and aircraft experiments, quantitative measurement of surface pressure is an important method for understanding the aerodynamic properties of an aircraft. For the design of an aircraft, surface pressure measurement is an indispensable content, and is very important for understanding the characteristics of a flow field and analyzing the aerodynamic characteristics of the aircraft and components, and is an important basis for the design of the aircraft. Pressure distribution measurements provide key information on many important flow phenomena, such as shock shape, location, and flow separation. In addition, accurate pressure data plays a key role in validating and validating turbulence model reliability, computational fluid dynamics programs, and computational results.
Pressure Sensitive Paint (PSP) technology is a non-contact measurement method to obtain Pressure distribution. The PSP technology utilizes the phenomenon that the fluorescence intensity of luminous coating molecules changes along with pressure under the irradiation of exciting light with specific wavelength, converts the pressure into light intensity information, then carries out image processing, calculates the pressure distribution on the surface of the model, and has the advantages of high spatial resolution, no limitation of the model structure, no damage to the flow field on the surface of the model, capability of realizing large-area pressure distribution measurement and the like.
Because the shock tube can reach a higher frequency range and is most widely applied, the shock tube is usually selected as a main body to construct a dynamic calibration device of the quick-response pressure-sensitive paint in the quick-response PSP system, and the shock tube is mainly used for generating pressure step change to test the dynamic response characteristic of the quick-response pressure-sensitive paint.
The shock tube in the prior art mainly comprises a high-pressure section, a low-pressure section, a membrane clamping section and a sample to be detected. The membrane clamping section in the prior art mainly comprises a butt-clamping flange bolt connecting structure, a tubular thread tightening structure, a cut sawtooth thread tightening structure and a hydraulic butt-clamping structure, and a membrane in the membrane clamping section in the prior art is not easy to clamp and the preparation process of a membrane breaking mode is complicated.
Disclosure of Invention
The invention aims to provide a shock tube for a dynamic pressure calibrating device, which can fully clamp a diaphragm by using a diaphragm clamping structure, is convenient for loading, unloading, replacing and maintaining the diaphragm, has a simple diaphragm breaking mode, is beneficial to test operation and meets test requirements.
The technical purpose of the invention is realized by the following technical scheme: a shock tube for a dynamic pressure calibrating device comprises a base support frame and a shock tube body fixedly connected with the top end of the base support frame, wherein the shock tube body comprises a high-pressure section and a low-pressure section; a film clamping mechanism is arranged between the high-pressure section and the low-pressure section; a sensor to be detected is arranged at the end part of the low-pressure section far away from the film clamping mechanism; the film clamping mechanism comprises a first fixed seat fixedly connected with the outer wall of the end part of the high-pressure section, a second fixed seat fixedly connected with the outer wall of the end part of the low-pressure section, an ear seat connected with the second fixed seat, two air cylinders fixedly connected with the ear seats and respectively positioned at two sides of the high-pressure section, two trunnions respectively connected with the telescopic ends of the two air cylinders, a first flange connected with the end part of the high-pressure section and a second flange connected with the end part of the low-pressure section; a membrane breaking ring close to the first flange and a membrane clamping ring close to the second flange are arranged between the first flange and the second flange; the membrane breaking ring is fixed with a membrane, and the membrane is tightly attached to the membrane clamping ring.
By adopting the technical scheme, in the test preparation stage, the valve cores of the two cylinders extend out, so that the high-pressure section and the low-pressure section are separated along the axial direction, and the prepared membrane is installed and fixed on the membrane breaking ring; after the diaphragm is installed and fixed, the valve cores of the two cylinders are retracted, the high-pressure section and the low-pressure section are folded, and the diaphragm is tightly attached to the diaphragm clamping ring; in the test process, the two cylinders provide clamping force, so that the high-pressure section, the membrane clamping ring, the membrane breaking ring and the low-pressure section are tightly combined, and the membrane can be sufficiently clamped; the butt joint of the high-pressure section and the low-pressure section is facilitated through the first flange and the second flange; the shock tube body is conveniently supported and fixed through the base support frame; the first fixing seat and the second fixing seat facilitate the installation and fixation of the two cylinders; the diaphragm is conveniently arranged on a sealing surface between the high-pressure section and the low-pressure section through the diaphragm clamping mechanism, so that the high-pressure section is conveniently isolated from the low-pressure section, high-pressure air (or nitrogen) is conveniently charged into the high-pressure section and the low-pressure section, and the diaphragm is broken to form shock waves by utilizing the pressure difference between the high-pressure section and the low-pressure section; this a shock tube for dynamic pressure calibrating installation can utilize the structure of pressing from both sides the membrane and fully clip the diaphragm, and makes things convenient for loading and unloading, change and the maintenance of diaphragm, and the rupture of membranes mode of diaphragm is simple, does benefit to experimental operation and satisfies the experimental demand.
The invention is further configured to: the high-pressure section and the low-pressure section are both stainless steel round pipes, and the outer diameter of the high-pressure section and the low-pressure section is 1.14m, and the inner diameter of the high-pressure section and the low-pressure section is 0.9 m; the length of the high-pressure section is 2m, the length of the low-pressure section is 5 m, and the length of the film clamping mechanism is 0.26 m.
By adopting the technical scheme, the high-pressure section and the low-pressure section are both stainless steel round pipes, and the outer diameter of the high-pressure section and the low-pressure section is 1.14m, and the inner diameter of the high-pressure section and the low-pressure section is 0.9 m; the length of the high-pressure section is 2m, the length of the low-pressure section is 5 m, and the length of the film clamping mechanism is 0.26m, so that the test requirement can be met conveniently.
The invention is further configured to: the diaphragm is one of a polyester film, a paper film or an aluminum diaphragm.
By adopting the technical scheme, the diaphragm is one of a polyester film, a paper film or an aluminum diaphragm, so that the shock wave amplitude of the shock wave formed by crushing the diaphragm can be adjusted and controlled conveniently according to the material and the thickness of the diaphragm.
The invention is further configured to: the beam at the top end of the base support frame is provided with a connecting and fixing piece, and the connecting and fixing piece is fixedly connected with the outer wall of the shock tube body; the bottom end of the base support frame is provided with a plurality of hoof feet.
By adopting the technical scheme, the shock tube body is convenient to be fixedly connected through the fixing piece; through the hoof foot, be convenient for carry out stable support to base support frame and shock tube.
The invention is further configured to: the membrane rupture ring is provided with a positioning column.
By adopting the technical scheme, the installation and the positioning of the diaphragm are facilitated through the positioning column.
The invention is further configured to: the base support frame is made of industrial aluminum materials, the total length of the base support frame is 6.3m, the transverse width of the base support frame is 0.6m, and the height of the base support frame is 0.9 m.
Through adopting above-mentioned technical scheme, base support frame is industry aluminium type material, and base support frame's total length is 6.3m, and horizontal width is 0.6m, highly is 0.9m for base support frame possesses the characteristic of stability and whole pleasing to the eye harmony.
In conclusion, the invention has the following beneficial effects: the clamping force is provided by the two cylinders, so that the high-pressure section, the membrane clamping ring, the membrane breaking ring and the low-pressure section can be tightly combined, and the membrane can be sufficiently clamped; the butt joint of the high-pressure section and the low-pressure section is facilitated through the first flange and the second flange; the shock tube body is conveniently supported and fixed through the base support frame; the first fixing seat and the second fixing seat facilitate the installation and fixation of the two cylinders; the diaphragm is conveniently arranged on a sealing surface between the high-pressure section and the low-pressure section through the diaphragm clamping mechanism, so that the high-pressure section is conveniently isolated from the low-pressure section, high-pressure air (or nitrogen) is conveniently charged into the high-pressure section and the low-pressure section, and the diaphragm is broken to form shock waves by utilizing the pressure difference between the high-pressure section and the low-pressure section; this a shock tube for dynamic pressure calibrating installation can utilize the structure of pressing from both sides the membrane and fully clip the diaphragm, and makes things convenient for loading and unloading, change and the maintenance of diaphragm, and the rupture of membranes mode of diaphragm is simple, does benefit to experimental operation and satisfies the experimental demand.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a film clamping mechanism in an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a rupture ring in an embodiment of the present invention.
In the figure: 1. a base support frame; 2. a shock tube body; 3. a high pressure section; 4. a low-pressure section; 5. a film clamping mechanism; 6. a sensor to be detected; 7. a first fixed seat; 8. a second fixed seat; 9. an ear mount; 10. a cylinder; 11. a trunnion; 12. a first flange; 13. a second flange; 14. a membrane rupturing ring; 15. a film clamping ring; 16. a membrane; 17. connecting a fixing piece; 18. a hoof; 19. and a positioning column.
Detailed Description
The present invention is described in further detail below with reference to figures 1-3.
Example (b): a shock tube for a dynamic pressure calibrating device is shown in figures 1, 2 and 3 and comprises a base support frame 1 and a shock tube body 2 fixedly connected with the top end of the base support frame 1, wherein the shock tube body 2 comprises a high-pressure section 3 and a low-pressure section 4; a film clamping mechanism 5 is arranged between the high-pressure section 3 and the low-pressure section 4; the end part of the low-pressure section 4 far away from the film clamping mechanism 5 is provided with a sensor 6 to be detected; the film clamping mechanism 5 comprises a first fixed seat 7 fixedly connected with the outer wall of the end part of the high-pressure section 3, a second fixed seat 8 fixedly connected with the outer wall of the end part of the low-pressure section 4, an ear seat 9 connected with the second fixed seat 8, two air cylinders 10 fixedly connected with the ear seats 9 and respectively positioned at two sides of the high-pressure section 3, two trunnions 11 respectively connected with the telescopic ends of the two air cylinders 10, a first flange 12 connected with the end part of the high-pressure section 3 and a second flange 13 connected with the end part of the low-pressure section 4; a membrane breaking ring 14 close to the first flange 12 and a membrane clamping ring 15 close to the second flange 13 are arranged between the first flange 12 and the second flange 13; the membrane breaking ring 14 is fixed with a membrane 16, and the membrane 16 is tightly attached to the membrane clamping ring 15.
In the embodiment, the CS1CN200-200 type cylinders 10 of SMC are selected, the highest working pressure is 0.97MPa, the theoretical output thrust is 29kN, the efficiency is 50% -70%, and the two sets of cylinders 10 are symmetrically arranged to meet the actual use requirement. In order to improve the convenience and rapidness of replacing the diaphragm 16 and the repeated utilization rate of the resistance wire, the diaphragm 16 is provided with the diaphragm breaking ring 14 in the direction close to the low-voltage section 4, the resistance wire is installed on the vertical beam of the base support frame 1, the resistance wire is separated from the vertical beam of the base support frame 1 through high-temperature insulating cloth, and the temperature of the resistance wire is adjusted by a power supply voltage regulator so as to adapt to the diaphragms 16 with different thicknesses. The rear ends of the positioning posts 19 are supported by springs, and when the membrane breaking ring 14 approaches the membrane clamping ring 15, the positioning posts 19 retract into the membrane breaking ring 14. In the test preparation stage, the valve cores of the two cylinders 10 extend out, so that the high-pressure section 3 and the low-pressure section 4 are separated along the axial direction, and the prepared membrane 16 is installed and fixed on the membrane breaking ring 14; after the diaphragm 16 is installed and fixed, the valve cores of the two cylinders 10 are retracted, the high-pressure section 3 and the low-pressure section 4 are folded, and the diaphragm 16 is tightly attached to the film clamping ring 15; in the test process, the two cylinders 10 provide clamping force, so that the high-pressure section 3, the film clamping ring 15, the membrane 16, the membrane breaking ring 14 and the low-pressure section 4 can be tightly combined, and the membrane 16 can be fully clamped; the butt joint of the high-pressure section 3 and the low-pressure section 4 is facilitated through the first flange 12 and the second flange 13; the shock tube body 2 is convenient to support and fix through the base support frame 1; the two cylinders 10 are convenient to mount and fix through the first fixing seat 7 and the second fixing seat 8; the membrane clamping mechanism 5 is convenient for installing the membrane 16 on a sealing surface between the high-pressure section 3 and the low-pressure section 4, so that the high-pressure section 3 is convenient to be isolated from the low-pressure section 4, high-pressure air (or nitrogen) is convenient to be filled into the high-pressure section 3 and the low-pressure section 4, and the membrane 16 is crushed to form shock waves by utilizing the pressure difference between the high-pressure section 3 and the low-pressure section 4; this a shock tube for dynamic pressure calibrating installation can utilize double-layered membrane structure to fully carry diaphragm 16, and makes things convenient for loading and unloading, change and the maintenance of diaphragm 16, and diaphragm 16's rupture of membranes mode is simple, does benefit to experimental operation and satisfies the test demand.
The high-pressure section 3 and the low-pressure section 4 are both stainless steel round pipes, and the outer diameter of the high-pressure section 3 and the low-pressure section 4 is 1.14m, and the inner diameter is 0.9 m; the length of the high-pressure section 3 is 2m, the length of the low-pressure section 4 is 5 m, and the length of the film clamping mechanism 5 is 0.26 m.
In this embodiment, the high pressure section 3 and the low pressure section 4 are both stainless steel round tubes, and the high pressure section 3 and the low pressure section 4 have an outer diameter of 1.14m and an inner diameter of 0.9 m; 3 length 2m of high pressure section, 4 length 5 meters of low pressure section, 5 length of pressing from both sides membrane mechanism are 0.26m, are convenient for satisfy the experimental demand.
The diaphragm 16 is one of a polyester film, a paper film, or an aluminum diaphragm 16.
In this embodiment, the diaphragm 16 is one of a polyester film, a paper film or an aluminum diaphragm 16, so that the amplitude of the shock wave formed by crushing the diaphragm 16 can be adjusted and controlled according to the material and thickness of the diaphragm 16.
A cross beam at the top end of the base support frame 1 is fixedly connected with a connecting and fixing piece 17, and the connecting and fixing piece 17 is fixedly connected with the outer wall of the shock tube body 2; the bottom end of the base support frame 1 is fixedly connected with a plurality of hoof feet 18.
In this embodiment, the shock tube body 2 is conveniently fixed and connected by the fixing member; the hoof feet 18 are convenient for stably supporting the base support frame 1 and the shock tube.
The rupture ring 14 is provided with a positioning post 19.
In the present embodiment, the positioning posts 19 facilitate the installation and positioning of the diaphragm 16.
The base support frame 1 is made of industrial aluminum materials, the total length of the base support frame 1 is 6.3m, the transverse width of the base support frame is 0.6m, and the height of the base support frame is 0.9 m.
In this embodiment, the base support frame 1 is made of an industrial aluminum material, the total length of the base support frame 1 is 6.3m, the transverse width is 0.6m, and the height is 0.9m, so that the base support frame 1 has the characteristics of stability and overall aesthetic harmony.
The working principle is as follows: in the test preparation stage, the valve cores of the two cylinders 10 extend out, so that the high-pressure section 3 and the low-pressure section 4 are separated along the axial direction, and the prepared membrane 16 is installed and fixed on the membrane breaking ring 14; after the diaphragm 16 is installed and fixed, the valve cores of the two cylinders 10 are retracted, the high-pressure section 3 and the low-pressure section 4 are folded, and the diaphragm 16 is tightly attached to the film clamping ring 15; in the test process, the two cylinders 10 provide clamping force, so that the high-pressure section 3, the film clamping ring 15, the membrane 16, the membrane breaking ring 14 and the low-pressure section 4 can be tightly combined, and the membrane 16 can be fully clamped; the butt joint of the high-pressure section 3 and the low-pressure section 4 is facilitated through the first flange 12 and the second flange 13; the shock tube body 2 is convenient to support and fix through the base support frame 1; the two cylinders 10 are convenient to mount and fix through the first fixing seat 7 and the second fixing seat 8; the membrane clamping mechanism 5 is convenient for installing the membrane 16 on a sealing surface between the high-pressure section 3 and the low-pressure section 4, so that the high-pressure section 3 is convenient to be isolated from the low-pressure section 4, high-pressure air (or nitrogen) is convenient to be filled into the high-pressure section 3 and the low-pressure section 4, and the membrane 16 is crushed to form shock waves by utilizing the pressure difference between the high-pressure section 3 and the low-pressure section 4; this a shock tube for dynamic pressure calibrating installation can utilize double-layered membrane structure to fully carry diaphragm 16, and makes things convenient for loading and unloading, change and the maintenance of diaphragm 16, and diaphragm 16's rupture of membranes mode is simple, does benefit to experimental operation and satisfies the test demand.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (6)
1. A shock tube for a dynamic pressure calibrating device is characterized in that: the shock tube comprises a base support frame (1) and a shock tube body (2) fixedly connected with the top end of the base support frame (1), wherein the shock tube body (2) comprises a high-pressure section (3) and a low-pressure section (4); a film clamping mechanism (5) is arranged between the high-pressure section (3) and the low-pressure section (4); a sensor (6) to be detected is arranged at the end part of the low-pressure section (4) far away from the film clamping mechanism (5); the film clamping mechanism (5) comprises a first fixed seat (7) fixedly connected with the outer wall of the end part of the high-pressure section (3), a second fixed seat (8) fixedly connected with the outer wall of the end part of the low-pressure section (4), an ear seat (9) connected with the second fixed seat (8), two air cylinders (10) fixedly connected with the ear seat (9) and respectively positioned at two sides of the high-pressure section (3), two trunnions (11) respectively connected with the telescopic ends of the two air cylinders (10), a first flange (12) connected with the end part of the high-pressure section (3) and a second flange (13) connected with the end part of the low-pressure section (4); a membrane breaking ring (14) close to the first flange (12) and a membrane clamping ring (15) close to the second flange (13) are arranged between the first flange (12) and the second flange (13); the membrane breaking ring (14) is fixed with a membrane (16), and the membrane (16) is tightly attached to the membrane clamping ring (15).
2. A shock tube for a dynamic pressure verification device as claimed in claim 1, wherein: the high-pressure section (3) and the low-pressure section (4) are both stainless steel round pipes, and the outer diameter of the high-pressure section (3) and the outer diameter of the low-pressure section (4) are 1.14m, and the inner diameter of the high-pressure section (3) and the inner diameter of the low-pressure section (4) are 0.9 m; the length of the high-pressure section (3) is 2m, the length of the low-pressure section (4) is 5 m, and the length of the film clamping mechanism (5) is 0.26 m.
3. A shock tube for a dynamic pressure verification device as claimed in claim 1, wherein: the diaphragm (16) is one of a polyester film, a paper film or an aluminum diaphragm (16).
4. A shock tube for a dynamic pressure verification device as claimed in claim 1, wherein: a cross beam at the top end of the base support frame (1) is provided with a connecting and fixing piece (17), and the connecting and fixing piece (17) is fixedly connected with the outer wall of the shock tube body (2); the bottom end of the base support frame (1) is provided with a plurality of hoof feet (18).
5. A shock tube for a dynamic pressure verification device as claimed in claim 1, wherein: the membrane breaking ring (14) is provided with a positioning column (19).
6. A shock tube for a dynamic pressure verification device as claimed in claim 1, wherein: the base support frame (1) is made of industrial aluminum, the total length of the base support frame (1) is 6.3m, the transverse width of the base support frame is 0.6m, and the height of the base support frame is 0.9 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911356701.8A CN111076889B (en) | 2019-12-25 | 2019-12-25 | Shock tube for dynamic pressure calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911356701.8A CN111076889B (en) | 2019-12-25 | 2019-12-25 | Shock tube for dynamic pressure calibrating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111076889A true CN111076889A (en) | 2020-04-28 |
| CN111076889B CN111076889B (en) | 2022-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911356701.8A Expired - Fee Related CN111076889B (en) | 2019-12-25 | 2019-12-25 | Shock tube for dynamic pressure calibrating device |
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| Country | Link |
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| CN (1) | CN111076889B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111649904A (en) * | 2020-06-12 | 2020-09-11 | 中国空气动力研究与发展中心超高速空气动力研究所 | Film clamping method based on screw temperature control |
| CN114264447A (en) * | 2021-12-31 | 2022-04-01 | 西安交通大学 | Injection type shock tube and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106644359A (en) * | 2016-12-07 | 2017-05-10 | 中国航天空气动力技术研究院 | Film clamping device for double-film pressure-fixed film breaking and single-film impact film breaking |
| CN106840580A (en) * | 2016-12-07 | 2017-06-13 | 中国航天空气动力技术研究院 | A kind of diaphragm positioning clamping device |
| CN110000724A (en) * | 2019-04-03 | 2019-07-12 | 王春晖 | A kind of docking facilities fixed for shock tube diaphragm |
| 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 |
| CN209689873U (en) * | 2019-04-02 | 2019-11-26 | 合肥铭远航空科技有限公司 | Drive section for shock tube test |
-
2019
- 2019-12-25 CN CN201911356701.8A patent/CN111076889B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644359A (en) * | 2016-12-07 | 2017-05-10 | 中国航天空气动力技术研究院 | Film clamping device for double-film pressure-fixed film breaking and single-film impact film breaking |
| CN106840580A (en) * | 2016-12-07 | 2017-06-13 | 中国航天空气动力技术研究院 | A kind of diaphragm positioning clamping device |
| 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 |
| CN209689873U (en) * | 2019-04-02 | 2019-11-26 | 合肥铭远航空科技有限公司 | Drive section for shock tube test |
| CN110000724A (en) * | 2019-04-03 | 2019-07-12 | 王春晖 | A kind of docking facilities fixed for shock tube diaphragm |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111649904A (en) * | 2020-06-12 | 2020-09-11 | 中国空气动力研究与发展中心超高速空气动力研究所 | Film clamping method based on screw temperature control |
| CN114264447A (en) * | 2021-12-31 | 2022-04-01 | 西安交通大学 | Injection type shock tube and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111076889B (en) | 2022-05-31 |
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