CN109238633A - A kind of stream field displaying apparatus - Google Patents
A kind of stream field displaying apparatus Download PDFInfo
- Publication number
- CN109238633A CN109238633A CN201811306457.XA CN201811306457A CN109238633A CN 109238633 A CN109238633 A CN 109238633A CN 201811306457 A CN201811306457 A CN 201811306457A CN 109238633 A CN109238633 A CN 109238633A
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- Prior art keywords
- electrode
- displaying apparatus
- transmission gear
- protection cover
- electrode assembly
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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
- G01M9/065—Measuring arrangements specially adapted for aerodynamic testing dealing with flow
- G01M9/067—Measuring arrangements specially adapted for aerodynamic testing dealing with flow visualisation
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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
- G01M9/062—Wind tunnel balances; Holding devices combined with measuring arrangements
-
- 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
- G01M9/08—Aerodynamic models
Abstract
The present invention provides a kind of stream field displaying apparatus.Described device includes: power supply, positive electrode, negative electrode, electrode assembly and electrode assembly control system, and electrode assembly includes electrode protection cover;The power supply is used to provide electric energy for the positive electrode and the negative electrode;Electrode assembly is used in the position and angle for adjusting distance and angle and electrode protection cover between positive electrode and negative electrode under the control of the electrode assembly control system;Electrode assembly control system follows model support to adjust the angle of the positive electrode and the negative electrode, and the opening and closing of the control power supply for controlling the angle that the electrode assembly tune adjusts the electrode protection cover according to the position of diffuser.The present invention can be by selecting different positive and negative electrode combinations to guarantee that electric discharge is continual and steady.
Description
Technical field
The present invention relates to free air facility fields, more particularly to a kind of stream field displaying apparatus.
Background technique
During conventional hypersonic wind tunnel experiment, gas density is with flow field parameter and measurement position and time in flow field
And change, the principle of deflection of light is caused using gas refracting index variation, the methods of shade or schlieren is commonly used and shows flow field.But
It is that in low density flow, since averag density is very low, the absolute value of variable density is too small, therefore cannot use deflection of light original
The optical means of reason shows flow field.Radiation intensity based on process gas discharge is related to gas density, and gas discharge can be used
Method shows flow field.
In hypobaric gas flowfield, the electric discharge between electrode can make gas luminescence, this is excited under electric field action
The anode brightness column for encouraging the spontaneous emission generation of molecule shines, and the intensity of this light radiation depends on the gas within the scope of control volume
Density.In discharge process, aura positive column is more stable, therefore can show lean gas stream using glow discharge method
Field (1000Pa-0.1Pa);It is existing that flow field, which rests essentially within theoretical research stage, to be shown to application glow discharge principle, however
When specific test, there is also many realistic problems urgently to be solved, if positive electrode is positioned at jet pipe and diffuser between, positive electrode with
Exoelectrical reaction can occur between jet pipe or diffuser, influence the effect of Flow visualisation;During also such as testing, test model is with mould
Type support carries out angle of attack adjusting, and the glow discharge display effect after how guaranteeing angle of attack variation, is problem in urgent need to solve.
Summary of the invention
The embodiment of the present invention provides a kind of stream field displaying apparatus, to solve positive electrode and jet pipe or diffuser in the prior art
Between occur exoelectrical reaction influence Flow visualisation effect, during test, test model with model support carry out angle of attack adjusting, nothing
Method guarantee angle of attack variation after glow discharge display effect the problem of.
In order to solve the above-mentioned technical problem, the present invention is implemented as follows:
The embodiment of the invention provides a kind of stream field displaying apparatus, comprising: power supply, positive electrode, negative electrode, electrode assembly with
And electrode assembly control system, the electrode assembly include electrode protection cover;The power supply respectively with the positive electrode and described
Negative electrode connection, the positive electrode are set to outside flow field, and the negative electrode is set in the flow field, and the negative electrode is arranged
In the surface of test model;The electrode assembly is connect with the positive electrode;The power supply, for for the positive electrode and described
Negative electrode provides electric energy;The electrode assembly, for adjusting the positive electrode under the control of the electrode assembly control system
Position and the angle of the distance between described negative electrode and angle and electrode protection cover;The electrode assembly control system,
The angle that the electrode protection cover is adjusted for controlling the electrode assembly according to the position of diffuser, follows model support to adjust
The angle of the positive electrode and the negative electrode, and the opening and closing of the control power supply.
Preferably, the electrode assembly further include: adjust support rod, electrode mounting plate, spherical adapter, the first transmission
Bar, the second drive rod, motor, the first transmission gear, the second transmission gear, third transmission gear, guide rail, sliding block, motor support
Seat, cylinder;Described one end for adjusting support rod is connect with experimental cabin, and the other end is connect with the electrode protection cover;The positive electricity
Pole is set to the surface of electrode mounting plate side, one end of the other side of the electrode mounting plate and the spherical adapter
Connection;The middle position of the electrode protection cover is provided with circular through hole, and the spherical shape adapter is set to the electrode and protects
At circular through hole among shield;One end of second drive rod is fixedly connected with the ball shaped joints seat, and the other end passes through
First drive rod is connect with second transmission gear;One end of first drive rod is fixed with the electrode protection cover
Connection, the other end are connect with the third transmission gear;The motor is connect with first transmission gear;The motor passes through
The guide rail, the sliding block are connected with the motor supporting base;The cylinder is fixedly installed on motor supporting base;Described first
Transmission gear is engaged with second transmission gear, the third transmission gear respectively.
Preferably, the power supply is high-voltage DC power supply.
Preferably, the middle position for adjusting support rod is nested together by two different polished rods of diameter, to adjust
The length for adjusting support rod.
Preferably, the extremely multiple point electrodes of the positive electricity, the negative electrode include point electrode, line electrode, in the electrode of face
It is at least one.
Preferably, the electrode protection cover be any one of square structure, triangular structure, disc-shaped structure, it is described
The middle position of electrode protection cover is provided with circular through hole, and the end of the circular through hole is provided with spacing collar.
Preferably, threaded hole is offered among the spherical adapter, to connect by screw rod with the electrode mounting plate.
Preferably, the side of the motor supporting base is provided with magnet, to realize the quick connection with experimental cabin.
Preferably, the stream field displaying apparatus further includes motor base, and the cylinder includes cylinder rod, and the cylinder rod is logical
Flange is crossed to connect with the motor base.
Preferably, the adjusting support rod, the electrode protection cover, the electrode mounting plate, the spherical adapter, institute
State the first drive rod, second drive rod, first transmission gear, second transmission gear and the third driving cog
Wheel is made of using polytetrafluoroethylene (PTFE) material.
The scheme provided through the embodiment of the present invention, has the advantage that
(1) during the test, test model rotates angle by model support, and outside positive electrode can follow examination automatically
It tests model and rotates corresponding angle, remain that two electrode surfaces are parallel, and protected by selecting different positive and negative electrodes to combine
Card electric discharge is continual and steady;
(2) electrode protection cover can automatically adjust angle according to the relative distance of jet pipe and diffuser, and guarantee electrode assembly
It is always positioned on the outside of flow field regions, avoids interference flowing field;
(3) electrode assembly can adjust the distance of two electrodes, and two electrodes are in minimum distance always when guarantee test,
Reduce source power loss;And in electrode assembly, the angular adjustment of two components can be realized by a motor;
(4) anode uses multiple point electrodes, and cathode uses point electrode, line electrode or face electrode, when positive and negative electrode rotation angle
After degree, although positive and negative electrode surface is able to maintain in parallel, its distance and the overlapping area meeting along electrode surface vertical direction
It reduces, anode uses multiple point electrodes, and the point electrode in orthographic projection region among cathode can be always positioned at by connecting on anode
To guarantee discharge effect.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the experimental rig of Flow visualisation provided in an embodiment of the present invention;
Fig. 2 is a kind of structural schematic diagram of electrode assembly provided in an embodiment of the present invention;
Fig. 3 is the connection schematic diagram of a kind of spherical adapter and electrode mounting plate provided in an embodiment of the present invention;
Fig. 4 is the connection schematic diagram of a kind of motor supporting base and cylinder provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Embodiment one
Referring to Fig.1, a kind of structural schematic diagram of the experimental rig of Flow visualisation provided in an embodiment of the present invention is shown, such as
Shown in Fig. 1, stream field displaying apparatus may include: power supply (not shown), positive electrode 300, negative electrode in experimental rig
200, electrode assembly 100 and electrode assembly control system (not shown).
Next, the construction in conjunction with Figure of description Fig. 2,3 and 4 pairs of electrode assemblies 100 is described in detail.
Fig. 2 shows a kind of structural schematic diagram of electrode assembly provided in an embodiment of the present invention, Fig. 3 shows of the invention real
The connection schematic diagram of a kind of spherical adapter and electrode mounting plate of example offer is applied, Fig. 4 shows provided in an embodiment of the present invention
A kind of connection schematic diagram of motor supporting base and cylinder, as shown in Figure 2, Figure 3, Figure 4, electrode assembly 100 may include that electrode is protected
Shield 2;
Power supply can be connect with positive electrode 300 and negative electrode 200 respectively, and positive electrode 300 is set to outside flow field 900, negative electricity
Pole 200 is set in flow field 900, and negative electrode 200 is set to the surface of test model 500, electrode assembly 100 and positive electrode
300 connections;
Power supply can be used for providing electric energy for positive electrode 300 and negative electrode 200
Electrode assembly 100 can be used for adjusting positive electrode 300 and negative electrode 200 under the control of electrode assembly control system
The distance between and angle.Electrode assembly 100 can also adjust position and the angle of electrode protection cover 2.
Electrode assembly control system can be used for coordination electrode component 100 and adjust electrode guarantor according to the position of diffuser 600
The angle of shield 2 follows model support 400 to adjust the angle of positive electrode 300 and negative electrode 200, and the unlatching of control power supply
And closing.
, can be during follow-up test in the embodiment of the present invention, test model 500 passes through 400 rotation angle of model support
Degree, outside positive electrode 300 can rotate corresponding angle by pursuit test model 500 automatically, remain two electrode (i.e. positive electricity
Pole 300 and negative electrode 200) surface is parallel, and by selecting different positive electrode 300 and the combination of negative electrode 200 to guarantee that electric discharge is held
It is continuous to stablize.
In one preferred embodiment of the invention, electrode assembly 100 can also include: to adjust support rod 1, electrode installation
Plate 10, spherical adapter 9, the first drive rod 3, the second drive rod 8, motor 4, the first transmission gear 5, the second transmission gear 6, the
Three transmission gears 7, guide rail 14, sliding block 11, motor supporting base 13, cylinder 12.
The one end for adjusting support rod 1 is connect with experimental cabin 700, and the other end is connect with electrode protection cover 2.Positive electrode 300 is set
It is placed in the surface of 10 side of electrode mounting plate, the other side of electrode mounting plate 10 is connect with one end of spherical adapter 9.
The middle position of electrode protection cover 2 is provided with circular through hole (not shown), and spherical adapter 9 is set to electricity
At circular through hole among pole protective cover 2.
One end of second drive rod 8 is fixedly connected with ball shaped joints seat 9, and the other end passes through the first drive rod 3 and second and passes
Moving gear 6 connects.
One end of first drive rod 3 is fixedly connected with electrode protection cover 2, and the other end is connect with third transmission gear 7.
Motor 4 is connect with the first transmission gear 5, and motor 4 is connected by guide rail 14, sliding block 11 with motor supporting base 13.
Cylinder 12 is fixedly installed on motor supporting base 13;First transmission gear 5 can with the second transmission gear 6 is ratcheting is used for
Adjust the angle of positive electrode 300;Certainly, the first transmission gear 5 can also be ratcheting for adjusting electrode guarantor with third transmission gear 7
The angle of shield 2.
Electrode assembly control system can be also used for extending and retracting for control cylinder 12.
In one preferred embodiment of the invention, power supply is high-voltage DC power supply, for example, 100KV high-voltage DC power supply
Etc., suitable high-voltage DC power supply can be selected according to the actual situation in the concrete realization, this is not added in the embodiment of the present invention
With limitation.
In another preferred embodiment of the invention, the middle position of support rod 1 two light different by diameter are adjusted
Bar (not shown) is nested together, to adjust the length of support rod 1, in order to Flow visualisation provided in an embodiment of the present invention dress
It sets and can be adapted for different test scenes.
In another preferred embodiment of the invention, positive electrode 300 can be made of multiple point electrodes, and negative electrode 200 can
With by one of point electrode, line electrode, face electrode or it is a variety of form, the embodiments of the present invention are not limited thereto.
In embodiments of the present invention, multiple point electrodes are used by positive electrode 300, negative electrode 200 is using point electrode, line electricity
Pole or face electrode, after positive electrode 300 and negative electrode 200 rotate a certain angle, although 200 surface of positive electrode 300 and negative electrode
It is able to maintain parallel, but its distance and can be reduced along the overlapping area of electrode surface vertical direction, positive electrode 300 is using multiple
Point electrode can guarantee to put by being always positioned at the point electrode in the intermediate orthographic projection region of negative electrode 200 on connection positive electrode 300
Electric effect.
In another preferred embodiment of the invention, electrode protection cover 2 can be square structure, triangular structure and disk
Any one in the structures such as shape structure, the end of the circular through hole is provided with spacing collar (not shown), and for electricity
The shape of pole protective cover 2 can voluntarily be selected according to the difference of test scene, and the embodiments of the present invention are not limited thereto.
In another preferred embodiment of the invention, threaded hole is offered among spherical adapter 9, to pass through screw rod (figure
In be not shown) connect with electrode mounting plate 10, it is possible to understand that ground, the screw thread of screw rod one end are opened up among spherical adapter 9
The screw thread of threaded hole match.
In the concrete realization, can choose other modes that can be applied to flow field test scene by spherical adapter 9 with
Electrode mounting plate 10 connects, and the embodiments of the present invention are not limited thereto.
In another preferred embodiment of the invention, the side of motor supporting base 13 is provided with magnet, motor supporting base 13
It can accelerate the connection with experimental cabin 700 by magnet.
In another preferred embodiment of the invention, stream field displaying apparatus can also include that motor base (does not show in figure
Out), cylinder 12 includes cylinder rod, and cylinder rod can be connected by flange with motor base.
Certainly, in the concrete realization, the connection of cylinder 12 and motor base can also be realized using other connection types, this
Inventive embodiments are without restriction to this.
In another preferred embodiment of the invention, support rod 1, electrode protection cover 2, electrode mounting plate 10, spherical shape are adjusted
Adapter 9, the first drive rod 3, the second drive rod 8, the first transmission gear 5, the second transmission gear 6 and third transmission gear 7 can
To be using made of polytetrafluoroethylene (PTFE) material.
In the concrete realization, support rod 1, electrode protection cover 2, electrode can be adjusted according to specific test scene selection to pacify
Loading board 10, spherical adapter 9, the first drive rod 3, the second drive rod 8, the first transmission gear 5, the second transmission gear 6 and third
Material is made in transmission gear 7, and the embodiments of the present invention are not limited thereto.
In another preferred embodiment of the invention, positive electrode 300 be can be using made of copper or aluminium, negative electrode 200
It can be using made of copper or aluminium.
In the concrete realization, the material that is made of positive and negative electrode can be selected according to actual needs, and the embodiment of the present invention is to this
It is without restriction.
During carrying out the test of Flow visualisation using stream field displaying apparatus provided in an embodiment of the present invention, Flow visualisation
The effect of device is the parameter of shock wave and flow field of the observation experiment model under airflow function, wherein cathode is embedded into test
The surface of model, anode are located at except flow field, show flow field by the aura for generation of discharging between two electrodes.Cathode is embedded into
The surface of test model, and pass through wired earth.Test model by model support rotate angle, lateral electrode can automatically with
Corresponding angle is rotated with test model, remains that two electrode surfaces are parallel, and by selecting different positive and negative electrode groups
It closes and guarantees that electric discharge is continual and steady.
In summary, using stream field displaying apparatus provided in an embodiment of the present invention, it is specific following the utility model has the advantages that
(1) during the test, test model rotates angle by model support, and lateral electrode being capable of automatic pursuit test
Model rotates corresponding angle, remains that two electrode surfaces are parallel, and is guaranteed by selecting different positive and negative electrodes to combine
Electric discharge is continual and steady;
(2) electrode protection cover can automatically adjust angle according to the relative distance of jet pipe and diffuser, and guarantee electrode assembly
It is always positioned on the outside of flow field regions, avoids interference flowing field;
(3) electrode assembly can adjust the distance of two electrodes, and two electrodes are in minimum distance always when guarantee test,
Reduce source power loss;And in electrode assembly, the angular adjustment of two components can be realized by a motor;
(4) anode uses multiple point electrodes, and cathode uses point electrode, line electrode or face electrode, when positive and negative electrode rotation angle
After degree, although positive and negative electrode surface is able to maintain in parallel, its distance and the overlapping area meeting along electrode surface vertical direction
It reduces, anode uses multiple point electrodes, and the point electrode in orthographic projection region among cathode can be always positioned at by connecting on anode
To guarantee discharge effect.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the system that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or system institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or system.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal (can be mobile phone, computer, service
Device, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form belongs within protection of the invention.
Claims (10)
1. a kind of stream field displaying apparatus characterized by comprising power supply, positive electrode, negative electrode, electrode assembly and electrode group
Part control system;The electrode assembly includes electrode protection cover;
The power supply is connect with the positive electrode and the negative electrode respectively, and the positive electrode is set to outside flow field, the negative electricity
Pole is set in the flow field, and the negative electrode is set to the surface of test model;The electrode assembly and the positive electrode
Connection;
The power supply, for providing electric energy for the positive electrode and the negative electrode;
The electrode assembly, for adjusting the positive electrode and the negative electrode under the control of the electrode assembly control system
The distance between and angle and the electrode protection cover position and angle;
The electrode assembly control system adjusts the electrode protection according to the position of diffuser for controlling the electrode assembly
The angle of cover follows model support to adjust the angle of the positive electrode and the negative electrode, and the unlatching of the control power supply
And closing.
2. stream field displaying apparatus according to claim 1, which is characterized in that the electrode assembly further include: adjust support
Bar, electrode mounting plate, spherical adapter, the first drive rod, the second drive rod, motor, the first transmission gear, the second driving cog
Wheel, third transmission gear, guide rail, sliding block, motor supporting base, cylinder;
Described one end for adjusting support rod is connect with experimental cabin, and the other end is connect with the electrode protection cover;The positive electrode is set
It is placed in the surface of electrode mounting plate side, one end company of the other side of the electrode mounting plate and the spherical adapter
It connects;The middle position of the electrode protection cover is provided with circular through hole, and the spherical shape adapter is set to the electrode protection
It covers at intermediate circular through hole;One end of second drive rod is fixedly connected with the ball shaped joints seat, and the other end passes through institute
The first drive rod is stated to connect with second transmission gear;One end of first drive rod and the fixed company of the electrode protection cover
It connects, the other end is connect with the third transmission gear;The motor is connect with first transmission gear;The motor passes through institute
State guide rail, the sliding block is connected with the motor supporting base;The cylinder is fixedly installed on motor supporting base;Described first passes
Moving gear is engaged with second transmission gear, the third transmission gear respectively;
The electrode assembly control system, is also used to control extending and retracting for the cylinder.
3. stream field displaying apparatus according to claim 1, which is characterized in that the power supply is high-voltage DC power supply.
4. stream field displaying apparatus according to claim 2, which is characterized in that it is described adjust support rod middle position by
Two different polished rods of diameter are nested together, to adjust the length for adjusting support rod.
5. stream field displaying apparatus according to claim 2, which is characterized in that the extremely multiple point electrodes of the positive electricity, it is described
Negative electrode includes at least one of point electrode, line electrode, face electrode.
6. stream field displaying apparatus according to claim 1, which is characterized in that the electrode protection cover is square structure, three
Any one of angular structure, disc-shaped structure, the middle position of the electrode protection cover are provided with circular through hole, the circle
The end of shape through-hole is provided with spacing collar.
7. stream field displaying apparatus according to claim 2, which is characterized in that offer screw thread among the spherical shape adapter
Hole, to be connect by screw rod with the electrode mounting plate.
8. stream field displaying apparatus according to claim 2, which is characterized in that the motor supporting base close to experimental cabin one
Side is provided with magnet, to realize the quick connection with the experimental cabin.
9. stream field displaying apparatus according to claim 2, which is characterized in that the stream field displaying apparatus further includes motor bottom
Seat, the cylinder includes cylinder rod, and the cylinder rod is connect by flange with the motor base.
10. stream field displaying apparatus according to claim 2, which is characterized in that the adjusting support rod, the electrode protection
Cover, the electrode mounting plate, the spherical adapter, first drive rod, second drive rod, first driving cog
Wheel, second transmission gear and the third transmission gear are made of using polytetrafluoroethylene (PTFE) material.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111175010A (en) * | 2020-01-08 | 2020-05-19 | 中国空气动力研究与发展中心超高速空气动力研究所 | Large-caliber hypersonic-velocity low-density wind tunnel flow field display system based on high-frequency glow |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU657678A1 (en) * | 1977-01-28 | 1979-04-15 | Предприятие П/Я М-5539 | Installation for electric arc heating of driver gas in shock tunnel |
US5963292A (en) * | 1996-10-29 | 1999-10-05 | The United States Of America As Represented By The Secretary Of The Air Force | Thermal tuft fluid flow investigation apparatus with a color alterable thermally responsive liquid crystal layer |
KR20090076175A (en) * | 2008-01-07 | 2009-07-13 | 최준섭 | Development of flow visualization device with smoke generator for teaching learning |
CN102066890A (en) * | 2008-06-16 | 2011-05-18 | 空中客车运营有限公司 | Method and system for determining a force acting on a body |
WO2011156413A2 (en) * | 2010-06-07 | 2011-12-15 | University Of Florida Research Foundation, Inc. | Dielectric barrier discharge wind tunnel |
CN203401197U (en) * | 2013-08-06 | 2014-01-22 | 苏州飞泰精工科技有限公司 | Electrode cap overlaying device having automation function |
CN103692018A (en) * | 2013-11-29 | 2014-04-02 | 东莞市俊知自动机械有限公司 | Bilateral discharge machine |
CN105319049A (en) * | 2014-07-31 | 2016-02-10 | 空中客车运营简化股份公司 | Real-time management of data relative to aircraft's flight test |
CN107219449A (en) * | 2016-03-22 | 2017-09-29 | 雅马哈精密科技株式会社 | Gauging fixture, check device and inspection method |
CN107576524A (en) * | 2017-08-31 | 2018-01-12 | 北京理工大学 | Solid sample microplasma sampler in a kind of open environment |
CN207703443U (en) * | 2017-12-26 | 2018-08-07 | 北京航天益森风洞工程技术有限公司 | A kind of bullet train crosswind measuring terminals based on five-hole probe |
-
2018
- 2018-11-02 CN CN201811306457.XA patent/CN109238633B/en not_active Expired - Fee Related
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU657678A1 (en) * | 1977-01-28 | 1979-04-15 | Предприятие П/Я М-5539 | Installation for electric arc heating of driver gas in shock tunnel |
US5963292A (en) * | 1996-10-29 | 1999-10-05 | The United States Of America As Represented By The Secretary Of The Air Force | Thermal tuft fluid flow investigation apparatus with a color alterable thermally responsive liquid crystal layer |
KR20090076175A (en) * | 2008-01-07 | 2009-07-13 | 최준섭 | Development of flow visualization device with smoke generator for teaching learning |
CN102066890A (en) * | 2008-06-16 | 2011-05-18 | 空中客车运营有限公司 | Method and system for determining a force acting on a body |
WO2011156413A2 (en) * | 2010-06-07 | 2011-12-15 | University Of Florida Research Foundation, Inc. | Dielectric barrier discharge wind tunnel |
CN203401197U (en) * | 2013-08-06 | 2014-01-22 | 苏州飞泰精工科技有限公司 | Electrode cap overlaying device having automation function |
CN103692018A (en) * | 2013-11-29 | 2014-04-02 | 东莞市俊知自动机械有限公司 | Bilateral discharge machine |
CN105319049A (en) * | 2014-07-31 | 2016-02-10 | 空中客车运营简化股份公司 | Real-time management of data relative to aircraft's flight test |
CN107219449A (en) * | 2016-03-22 | 2017-09-29 | 雅马哈精密科技株式会社 | Gauging fixture, check device and inspection method |
CN107576524A (en) * | 2017-08-31 | 2018-01-12 | 北京理工大学 | Solid sample microplasma sampler in a kind of open environment |
CN207703443U (en) * | 2017-12-26 | 2018-08-07 | 北京航天益森风洞工程技术有限公司 | A kind of bullet train crosswind measuring terminals based on five-hole probe |
Non-Patent Citations (2)
Title |
---|
中国政府采购网: ""辉光放电流场显示项目主要技术要求"", 《中国人民解放军63839部队辉光放电流场显示项目需求对接公告》 * |
李锰: ""不同电极结构中 SF6/ N2混合气体正向流注电晕放电特性"", 《电工电能新技术》 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111175010A (en) * | 2020-01-08 | 2020-05-19 | 中国空气动力研究与发展中心超高速空气动力研究所 | Large-caliber hypersonic-velocity low-density wind tunnel flow field display system based on high-frequency glow |
CN111175010B (en) * | 2020-01-08 | 2020-09-25 | 中国空气动力研究与发展中心超高速空气动力研究所 | Large-caliber hypersonic-velocity low-density wind tunnel flow field display system based on high-frequency glow |
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