CN207379703U - The separation screening device of wind-tunnel trace particle - Google Patents
The separation screening device of wind-tunnel trace particle Download PDFInfo
- Publication number
- CN207379703U CN207379703U CN201721267419.9U CN201721267419U CN207379703U CN 207379703 U CN207379703 U CN 207379703U CN 201721267419 U CN201721267419 U CN 201721267419U CN 207379703 U CN207379703 U CN 207379703U
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- Prior art keywords
- separation screening
- trace particle
- wind
- barrel
- pipe road
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- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The utility model discloses a kind of separation screening device of wind-tunnel trace particle, including centrifugal blower, gas mixing pipe road and separation screening storehouse；Separation screening storehouse includes：Barrel, head cover, bottom cover, arranged on the mixed gas input port of barrel bottom, the trace particle delivery outlet on head cover and the liquids recovery mouth on bottom cover；The mixed gas input port in separation screening storehouse is connected by gas mixing pipe road with the output terminal of centrifugal blower, and gas mixing pipe road and the barrel in separation screening storehouse are tangent；Gas mixing pipe road is equipped with tracer vapor inlet port.The separation screening device of the utility model wind-tunnel trace particle, it can screen the trace particle of droplet morphology, big droplet particles are intercepted, the uniform droplet particle of output size, exclude interference of the different size particle to detection image, ensure the uniform and stability in flow field, improve the accuracy of result of calculation, big drop can also be avoided to be condensed at camera lens, laser exit.
Description
Technical field
The utility model is related to the separation screening devices of wind-tunnel trace particle.
Background technology
PIV（Particle Image Velocimetry particle image velocimetries）Technology is to grow up the end of the seventies
A kind of transient state, multiple spot, non-contacting hydrodynamics speed-measuring method, can synchronization record space velocity profile information,
Flow field space structure and flow behavior are measured, is to solve complex flowfield to show and the important means of analysis of flow characteristics.In wind-tunnel
Middle application PIV technologies, it is glitch-free in stream field, invisible complicated or even microcosmic flow phenomenon becomes
For visual flow image or animation, it can not only qualitatively observe flow field situation, and can quantitatively provide fluid field pressure, speed
The air force knowledge in Flight Vehicle Design is grasped and solved to the characteristics such as degree to recognizing the essence and flow mechanism of flow phenomenon,
Topic plays an important roll.
Representative of the trace particle as fluid velocity, it is the key that one of PIV technologies to generate and launch.Drop is common
Trace particle form, i.e. trace particle enters flow field with drops, but if the droplet particles size into flow field cannot
Uniformity can influence the uniform and stability in flow field, can generate interference to detection image, can influence the accurate of result of calculation
Degree, and big drop easily condenses at camera lens, laser exit.
Utility model content
The purpose of this utility model is to provide a kind of separation screening devices of wind-tunnel trace particle, can be to drop shape
The trace particle of state is screened, and big droplet particles is intercepted, the uniform droplet particle of output size, is excluded different
Interference of the sized particles to detection image ensures the uniform and stability in flow field, improves the accuracy of result of calculation, can also avoid
Big drop condenses at camera lens, laser exit.
To achieve the above object, the technical solution of the utility model is to design a kind of separation screening of wind-tunnel trace particle
Device, including centrifugal blower, gas mixing pipe road and separation screening storehouse；
The separation screening storehouse includes：Cylindric barrel is vertically arranged, by the horizontal head cover of barrel top closure, by barrel bottom
The horizontal bottom cover of closing, arranged on the mixed gas input port of barrel bottom, the trace particle delivery outlet on head cover, Yi Jishe
In the liquids recovery mouth on bottom cover；The trace particle delivery outlet heart coaxial with barrel；
The gas mixing pipe road is horizontal square tube type, and separation screening storehouse and centrifugal blower are divided into gas mixing pipe road both ends, is separated
The mixed gas input port in screening storehouse is connected by gas mixing pipe road with the output terminal of centrifugal blower, and gas mixing pipe road and separation screening
The barrel in storehouse is tangent；Gas mixing pipe road is equipped with tracer vapor inlet port.
Preferably, the gas mixing pipe road is vertically arranged side plate by horizontal bottom plate, horizontal top plate and a pair and surrounds；This is to side plate bag
It includes：The first tangent side plate and second side plate parallel with the first side plate with separation screening storehouse barrel；Plate top surface is with separating
The top surface of screening orlop lid maintains an equal level, and tracer vapor inlet port is arranged on bottom plate；The spacing of bottom plate and top plate is not more than bolter
Select the half of storehouse barrel height；The spacing of first side plate and the second side plate is not more than the radius of separation screening storehouse barrel.
Preferably, the internal diameter of the trace particle delivery outlet is a quarter of barrel internal diameter.
Preferably, the trace particle delivery outlet is circumscribed with trace particle efferent duct.
Preferably, the liquids recovery mouth is circumscribed with liquid recovery tube.
Preferably, the tracer vapor inlet port is circumscribed with tracer steam pipeline.
Preferably, the trace particle delivery outlet is to be vertically arranged circular tube shaped.
Preferably, the liquids recovery mouth is equipped with strainer.
Preferably, the centrifugal blower, gas mixing pipe road and separation screening storehouse are fixed on same supporting structure.
Preferably, the centrifugal blower, gas mixing pipe road and separation screening storehouse are fixed on a horizontal support plate.
The advantages of the utility model and advantageous effect are：A kind of separation screening device of wind-tunnel trace particle is provided,
It can screen the trace particle of droplet morphology, big droplet particles be intercepted, the uniform droplet of output size
Particle excludes interference of the different size particle to detection image, ensures the uniform and stability in flow field, improves the standard of result of calculation
Exactness can also avoid big drop from being condensed at camera lens, laser exit.
Tracer steam is generated by evaporator, and tracer steam enters gas mixing pipe road by tracer vapor inlet port, meanwhile,
Air is blasted gas mixing pipe road by centrifugal blower, and tracer steam is mixed with air in gas mixing pipe road, and edge is tangent with barrel
By mixed gas input port, into separation screening storehouse, mixed gas is rotated at a high speed in separation screening storehouse, collided, and is mixed in direction
The tracer closed in gas is condensed into droplet morphology, and big droplet particles are intercepted in separation screening storehouse, uniform in size consistent
Droplet particle is discharged by trace particle delivery outlet, defeated by liquids recovery mouth after the big droplet particles aggregation in separation screening storehouse
Go out.
Description of the drawings
Fig. 1 is the schematic diagram of the utility model.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below
Example is only used for clearly illustrating the technical solution of the utility model, and the protection model of the utility model cannot be limited with this
It encloses.
The utility model specific implementation technical solution be：
As shown in Figure 1, a kind of separation screening device of wind-tunnel trace particle, including centrifugal blower 1,2 and of gas mixing pipe road
Separation screening storehouse 3；
The separation screening storehouse 3 includes：Cylindric barrel is vertically arranged, by the horizontal head cover of barrel top closure, by barrel bottom
The horizontal bottom cover that end seal is closed, arranged on the mixed gas input port of barrel bottom, the trace particle delivery outlet 4 on head cover, with
And the liquids recovery mouth on bottom cover；The heart coaxial with barrel of trace particle delivery outlet 4；
The gas mixing pipe road 2 is horizontal square tube type, and separation screening storehouse 3 and centrifugal blower 1 are divided into 2 both ends of gas mixing pipe road,
The mixed gas input port in separation screening storehouse 3 is connected by gas mixing pipe road 2 with the output terminal of centrifugal blower 1, and gas mixing pipe road 2 with
The barrel in separation screening storehouse 3 is tangent；Gas mixing pipe road 2 is equipped with tracer vapor inlet port.
Preferably, the gas mixing pipe road 2 is vertically arranged side plate by horizontal bottom plate, horizontal top plate and a pair and surrounds；This is to side plate
Including：The first tangent side plate and second side plate parallel with the first side plate with 3 barrel of separation screening storehouse；Plate top surface with
The top surface of 3 bottom cover of separation screening storehouse maintains an equal level, and tracer vapor inlet port is arranged on bottom plate；The spacing of bottom plate and top plate, which is not more than, divides
Half from screening 3 barrel height of storehouse；The spacing of first side plate and the second side plate is not more than the radius of 3 barrel of separation screening storehouse.
Preferably, the internal diameter of the trace particle delivery outlet 4 is a quarter of barrel internal diameter.
Preferably, the trace particle delivery outlet 4 is circumscribed with trace particle efferent duct 5.
Preferably, the liquids recovery mouth is circumscribed with liquid recovery tube 6.
Preferably, the tracer vapor inlet port is circumscribed with tracer steam pipeline 7.
Preferably, the trace particle delivery outlet 4 is to be vertically arranged circular tube shaped.
Preferably, the liquids recovery mouth is equipped with strainer.
Preferably, same supporting structure is fixed in the centrifugal blower 1, gas mixing pipe road 2 and separation screening storehouse 3（Such as horizontal
Support plate）On.
Tracer steam is generated by evaporator, and tracer steam enters gas mixing pipe road 2 by tracer vapor inlet port, together
When, air is blasted gas mixing pipe road 2 by centrifugal blower 1, and tracer steam is mixed with air in gas mixing pipe road 2, and edge and barrel
Tangent direction is by mixed gas input port, into separation screening storehouse 3, mixed gas in separation screening storehouse 3 at a high speed rotation,
It collides, the tracer in mixed gas is condensed into droplet morphology, and big droplet particles are intercepted in separation screening storehouse 3, and size is equal
Even consistent droplet particle is discharged by trace particle delivery outlet 4, by liquid after the big droplet particles aggregation in separation screening storehouse 3
Body recovery port exports.
The separation screening device of the utility model wind-tunnel trace particle can sieve the trace particle of droplet morphology
Big droplet particles are intercepted, the uniform droplet particle of output size by choosing, exclude different size particle to detection image
Interference, ensure the uniform and stability in flow field, improve the accuracy of result of calculation, can also avoid big drop camera lens,
It is condensed at laser exit.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, several improvements and modifications can also be made, these change
The scope of protection of the utility model is also should be regarded as into retouching.
Claims (10)
1. the separation screening device of wind-tunnel trace particle, which is characterized in that including centrifugal blower, gas mixing pipe road and separation screening
Storehouse；
The separation screening storehouse includes：Cylindric barrel is vertically arranged, by the horizontal head cover of barrel top closure, by barrel bottom end closure
Horizontal bottom cover, arranged on the mixed gas input port of barrel bottom, trace particle delivery outlet on the head cover and bottom of arranged on
The liquids recovery mouth covered；The trace particle delivery outlet heart coaxial with barrel；
The gas mixing pipe road is horizontal square tube type, and separation screening storehouse and centrifugal blower are divided into gas mixing pipe road both ends, separation screening
The mixed gas input port in storehouse is connected by gas mixing pipe road with the output terminal of centrifugal blower, and gas mixing pipe road and separation screening storehouse
Barrel is tangent；Gas mixing pipe road is equipped with tracer vapor inlet port.
2. the separation screening device of wind-tunnel trace particle according to claim 1, which is characterized in that the gas mixing pipe road
Side plate is vertically arranged by horizontal bottom plate, horizontal top plate and a pair to surround；This includes side plate：Tangent with separation screening storehouse barrel
Side plate and second side plate parallel with the first side plate；The top surface of plate top surface and separation screening orlop lid maintains an equal level, tracer
Vapor inlet port is arranged on bottom plate；The spacing of bottom plate and top plate is not more than the half of separation screening storehouse barrel height；First side plate
It is not more than the radius of separation screening storehouse barrel with the spacing of the second side plate.
3. the separation screening device of wind-tunnel trace particle according to claim 2, which is characterized in that the trace particle
The internal diameter of delivery outlet is a quarter of barrel internal diameter.
4. the separation screening device of wind-tunnel trace particle according to claim 3, which is characterized in that the trace particle
Delivery outlet is circumscribed with trace particle efferent duct.
5. the separation screening device of wind-tunnel trace particle according to claim 4, which is characterized in that the liquids recovery
Mouth is circumscribed with liquid recovery tube.
6. the separation screening device of wind-tunnel trace particle according to claim 5, which is characterized in that the tracer steams
Vapour input port is circumscribed with tracer steam pipeline.
7. the separation screening device of wind-tunnel trace particle according to claim 6, which is characterized in that the trace particle
Delivery outlet is to be vertically arranged circular tube shaped.
8. the separation screening device of wind-tunnel trace particle according to claim 7, which is characterized in that the liquids recovery
Mouth is equipped with strainer.
9. the separation screening device of wind-tunnel trace particle according to claim 8, which is characterized in that the centrifugation wind
Machine, gas mixing pipe road and separation screening storehouse are fixed on same supporting structure.
10. the separation screening device of wind-tunnel trace particle according to claim 9, which is characterized in that the centrifugation wind
Machine, gas mixing pipe road and separation screening storehouse are fixed on a horizontal support plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721267419.9U CN207379703U (en) | 2017-09-29 | 2017-09-29 | The separation screening device of wind-tunnel trace particle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721267419.9U CN207379703U (en) | 2017-09-29 | 2017-09-29 | The separation screening device of wind-tunnel trace particle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207379703U true CN207379703U (en) | 2018-05-18 |
Family
ID=62337687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721267419.9U Expired - Fee Related CN207379703U (en) | 2017-09-29 | 2017-09-29 | The separation screening device of wind-tunnel trace particle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207379703U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111077339A (en) * | 2019-12-26 | 2020-04-28 | 哈尔滨工程大学 | PIV particle recovery unit |
| CN111721495A (en) * | 2020-06-16 | 2020-09-29 | 中国人民解放军国防科技大学 | Novel particle of nano particle plane laser scattering experiment generates device |
-
2017
- 2017-09-29 CN CN201721267419.9U patent/CN207379703U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111077339A (en) * | 2019-12-26 | 2020-04-28 | 哈尔滨工程大学 | PIV particle recovery unit |
| CN111077339B (en) * | 2019-12-26 | 2022-02-22 | 哈尔滨工程大学 | PIV particle recovery unit |
| CN111721495A (en) * | 2020-06-16 | 2020-09-29 | 中国人民解放军国防科技大学 | Novel particle of nano particle plane laser scattering experiment generates device |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180518 Termination date: 20180929 |