CN205483487U - Combined portable wind erosion wind -tunnel analogue means - Google Patents
Combined portable wind erosion wind -tunnel analogue means Download PDFInfo
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- CN205483487U CN205483487U CN201620247448.8U CN201620247448U CN205483487U CN 205483487 U CN205483487 U CN 205483487U CN 201620247448 U CN201620247448 U CN 201620247448U CN 205483487 U CN205483487 U CN 205483487U
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Abstract
The utility model provides a combined portable wind erosion wind -tunnel analogue means, produce the device including centrifugal wind -force, air current rectification transition device and at least one experimental environment form the device, centrifugal wind -force produces the device and is connected with the air inlet of air current rectification transition device, the gas outlet of air current rectification transition device forms the device with experimental environment and is connected, the air intake of air current rectification transition device is provided with first wire side, the air outlet of air current rectification transition device is provided with the second wire side, first wire side is parallel with the second wire side, the area of the mesh of first wire side is greater than the area of the mesh of second wire side, centrifugal wind -force produces empty air flow transport to the air current rectification transition device that the velocity of flow will be booked to the device, after adjusting the air current stably, carries in air current rectification transition device to experimental environment formation device, in order to form wind erosion experimental environment in experimental environment forms the device.
Description
Technical field
This utility model relates to teaching equipment technical field, particularly to a kind of combined Portable movable wind erosion wind tunnel simulation device.
Background technology
Experimentation occupies highly important status in blown sand physics Related Research Domain.Currently mainly it is divided into 3 kinds of modes: 1) under the conditions of natural wind, directly carry out experiment in field measure, its shortcoming is that experimental period is longer, and wind speed and direction is changeable, causes Related Experimental Study to carry out at any time, and experimental data cannot reflect monofactorial impact；2) testing lab simulation wind and surface condition and then carrying out experimentation, this kind of research needs design can produce the equipment of approximation natural wind, needs the husky bed that acquisition is similar to natural conditions, and realizing of latter condition is relatively difficult；3) wind-tunnel is utilized the most directly to test.Develop a kind of little wind-tunnel of wind erosion portable, moveable as can be seen here, be the basis of field blown sand physics Related Experimental Study.
The little wind-tunnel of Field simulation of present stage mainly uses mining large-scale parallel axes flow type fan, produced wind field is uneven, and natural there is a large amount of vortex (see figure 1), need for this to be adjusted by the diffusion-contraction type structure rectifying section of band wire netting, these devices significantly increase the volume of wind-tunnel, cause cannot really realizing Portable movable.
Summary of the invention
In view of this, it is necessary to a kind of combined Portable movable wind erosion wind tunnel simulation device is provided.
nullA kind of combined Portable movable wind erosion wind tunnel simulation device，Including centrifugal wind generator、Air-flow rectification transition apparatus and at least one experimental situation form device，Centrifugal wind generator is connected with the air inlet of air-flow rectification transition apparatus，The gas outlet of air-flow rectification transition apparatus forms device with experimental situation and is connected，The air inlet of air-flow rectification transition apparatus is provided with the first wire side，The air outlet of air-flow rectification transition apparatus is provided with the second wire side，First wire side is parallel with the second wire side，The area of the mesh of the first wire side is more than the area of the mesh of the second wire side，Centrifugal wind generator by the air flow delivery of predetermined flow velocity to air-flow rectification transition apparatus，Air is flow to be delivered to experimental situation after Row sum-equal matrix is stablized and forms device by air-flow rectification transition apparatus，To form wind erosion experimental situation in forming device in experimental situation.
Preferably, the connected mode that centrifugal wind generator, air-flow rectification transition apparatus and experimental situation are formed between device is nested type connected mode.
Preferably, the distance between the first wire side and the second wire side is 20cm.
Preferably, centrifugal wind generator includes the first centrifugal fan, second centrifugal fan and prolongation ventilation duct, the air outlet of the first end and the first centrifugal fan that extend ventilation duct is tightly connected, second centrifugal fan is arranged on prolongation ventilation duct, and second centrifugal fan air outlet with extend ventilation duct the second end flush, the air inlet of air-flow rectification transition apparatus is provided with and the air outlet of the second centrifugal fan, extend the fixed cover that the second end of ventilation duct matches, air outlet at the second centrifugal fan, after extending the second end insertion fixed cover of ventilation duct, second centrifugal fan, prolongation ventilation duct is fixing with air-flow rectification transition apparatus to be connected, first wire side is positioned at fixed cover, between second wire side.
Preferably, combined Portable movable wind erosion wind tunnel simulation device also includes every husky cloth, being laid on below centrifugal wind generator every husky cloth, to prevent centrifugal wind generator from sucking sand and dust.
Preferably, air-flow rectification transition apparatus includes that cross section is the metal cylinder of rectangle, the first wire side, the second wire side and fixed cover, and what the first wire side, the second wire side were corresponding is arranged on the air inlet of metal cylinder, air outlet, and fixed cover is arranged on the air inlet of metal cylinder.
Preferably, experimental situation formed device be cross section be the metal cylinder of N-shaped, experimental situation forms the opening of device and is buckled on nature sand ground, and experimental situation is formed and is provided with the transparent sight hole opening and close on the sidewall of device.
Preferably, the top of experimental situation formation device is provided with the skylight opened and close, to facilitate installation wind speed measuring device.
Preferably, the horizontal axis of the horizontal axis of centrifugal wind generator and air-flow rectification transition apparatus has the gradient of 5cm, the horizontal axis that the horizontal axis of air-flow rectification transition apparatus forms device with experimental situation to be located on the same line.
Advantages of the present invention and generation provide the benefit that: the air inlet of air-flow rectification transition apparatus is provided with the first wire side, the air outlet of air-flow rectification transition apparatus is provided with the second wire side, first wire side is parallel with the second wire side, the area of the mesh of the first wire side is more than the area of the mesh of the second wire side, centrifugal wind generator by the air flow delivery of predetermined flow velocity to air-flow rectification transition apparatus, air is flow to be delivered to experimental situation after Row sum-equal matrix is stablized and forms device by air-flow rectification transition apparatus, to form wind erosion experimental situation in forming device in experimental situation, so need not diffusion-contraction type structure rectifying section be adjusted, therefore meet wind field uniform under the conditions of, the volume of combined Portable movable wind erosion wind tunnel simulation device can be reduced, and then realize the purpose of Portable movable.
Accompanying drawing explanation
Accompanying drawing 1 is parallel axes flow type fan flow field figure schematic diagram of the prior art.
Accompanying drawing 2 is the structural representation of the combined Portable movable wind erosion wind tunnel simulation device of a better embodiment.
In figure: combined Portable movable wind erosion wind tunnel simulation device 10, centrifugal wind generator the 20, first centrifugal fan the 21, second centrifugal fan 22, extend ventilation duct 23, air-flow rectification transition apparatus the 30, first wire side the 31, second wire side 32, metal cylinder 33, experimental situation form device 40, transparent sight hole 41, every husky cloth 50.
Detailed description of the invention
nullRefer to Fig. 2，Combined Portable movable wind erosion wind tunnel simulation device 10 includes centrifugal wind generator 20、Air-flow rectification transition apparatus 30 and at least one experimental situation form device 40，Centrifugal wind generator 20 is connected with the air inlet of air-flow rectification transition apparatus 30，The gas outlet of air-flow rectification transition apparatus 30 forms device 40 with experimental situation and is connected，The air inlet of air-flow rectification transition apparatus 30 is provided with the first wire side 31，The air outlet of air-flow rectification transition apparatus 0 is provided with the second wire side 32，First wire side 31 is parallel with the second wire side 32，The area of the mesh of the first wire side 31 is more than the area of the mesh of the second wire side 32，Centrifugal wind generator 20 by the air flow delivery of predetermined flow velocity to air-flow rectification transition apparatus 30，Air is flow to be delivered to experimental situation after Row sum-equal matrix is stablized and forms device 40 by air-flow rectification transition apparatus 30，To form wind erosion experimental situation in forming device 40 in experimental situation.So need not diffusion-contraction type structure rectifying section be adjusted, thus meet wind field uniform under the conditions of, it is possible to reduce the volume of combined Portable movable wind erosion wind tunnel simulation device, and then realize the purpose of Portable movable.
Further, combined Portable movable wind erosion wind tunnel simulation device 10 also includes every husky cloth 50, it is laid on below centrifugal wind generator 20 every husky cloth 50, to prevent centrifugal wind generator 20 from sucking sand and dust, the size every husky cloth 50 is more than more than 3 times of centrifugal wind generator 20 horizontal area；The horizontal axis of the horizontal axis of centrifugal wind generator 20 and air-flow rectification transition apparatus has the gradient of 5cm, the horizontal axis that the horizontal axis of air-flow rectification transition apparatus forms device with experimental situation to be located on the same line.
In the present embodiment, the connected mode that centrifugal wind generator 20, air-flow rectification transition apparatus 30 and experimental situation are formed between device 40 is nested type connected mode, for improving sealing further, can be wound around sealant tape in nested position.Distance between first wire side 31 and the second wire side 32 is 20cm.
In the present embodiment, centrifugal wind generator 20 includes first centrifugal fan the 21, second centrifugal fan 22 and extends ventilation duct 23, the air outlet of the first end and the first centrifugal fan 21 that extend ventilation duct 23 is tightly connected, second centrifugal fan 22 is arranged on prolongation ventilation duct 23, and second the air outlet of centrifugal fan 22 flush with the second end extending ventilation duct 23, be smaller than 2cm between first centrifugal fan the 21, second centrifugal fan 22.The air inlet of air-flow rectification transition apparatus 30 is provided with the air outlet with the second centrifugal fan 22, extends the fixed cover that the second end of ventilation duct 23 matches, after the air outlet of the second centrifugal fan 22, the second end insertion fixed cover of prolongation ventilation duct 23, second centrifugal fan 22, prolongation ventilation duct 23 are fixing with air-flow rectification transition apparatus 30 to be connected, and the first wire side 31 is between fixed cover, the second wire side 32.Wherein, air-flow rectification transition apparatus 30 includes metal cylinder the 33, first wire side the 31, second wire side 32 and fixed cover that cross section is rectangle, first wire side the 31, second wire side 32 correspondence be arranged on the air inlet of metal cylinder 33, air outlet, fixed cover is arranged on the air inlet of metal cylinder 33.
In the present embodiment, experimental situation formed device 40 be cross section be the metal cylinder of N-shaped, experimental situation forms the opening of device 40 and is buckled on nature sand ground, and experimental situation is formed and is provided with the transparent sight hole 41 opening and close on the sidewall of device 40.The size of transparent sight hole 41 and orientation can be designed according to practical situation, such as, use height to form device 40 right side about 30cm high 0.5 times, by experimental situation formation device 40 less than experimental situation and go out to arrange transparent sight hole 41.Further, the top of experimental situation formation device 40 is provided with the skylight opened and close, to facilitate installation wind speed measuring device.
Claims (9)
- null1. a combined Portable movable wind erosion wind tunnel simulation device，It is characterized in that: include centrifugal wind generator、Air-flow rectification transition apparatus and at least one experimental situation form device，Centrifugal wind generator is connected with the air inlet of air-flow rectification transition apparatus，The gas outlet of air-flow rectification transition apparatus forms device with experimental situation and is connected，The air inlet of air-flow rectification transition apparatus is provided with the first wire side，The air outlet of air-flow rectification transition apparatus is provided with the second wire side，First wire side is parallel with the second wire side，The area of the mesh of the first wire side is more than the area of the mesh of the second wire side，Centrifugal wind generator by the air flow delivery of predetermined flow velocity to air-flow rectification transition apparatus，Air is flow to be delivered to experimental situation after Row sum-equal matrix is stablized and forms device by air-flow rectification transition apparatus，To form wind erosion experimental situation in forming device in experimental situation.
- Combined Portable movable the most according to claim 1 wind erosion wind tunnel simulation device, it is characterised in that: the connected mode that centrifugal wind generator, air-flow rectification transition apparatus and experimental situation are formed between device is nested type connected mode.
- Combined Portable movable the most according to claim 2 wind erosion wind tunnel simulation device, it is characterised in that: the distance between the first wire side and the second wire side is 20cm.
- Combined Portable movable the most according to claim 3 wind erosion wind tunnel simulation device, it is characterized in that: air-flow rectification transition apparatus includes that cross section is the metal cylinder of rectangle, the first wire side, the second wire side and fixed cover, what the first wire side, the second wire side were corresponding is arranged on the air inlet of metal cylinder, air outlet, and fixed cover is arranged on the air inlet of metal cylinder.
- nullCombined Portable movable the most according to claim 4 wind erosion wind tunnel simulation device，It is characterized in that: centrifugal wind generator includes the first centrifugal fan、Second centrifugal fan and prolongation ventilation duct，The air outlet of the first end and the first centrifugal fan that extend ventilation duct is tightly connected，Second centrifugal fan is arranged on prolongation ventilation duct，And second centrifugal fan air outlet with extend ventilation duct the second end flush，The air inlet of air-flow rectification transition apparatus is provided with and the air outlet of the second centrifugal fan、Extend the described fixed cover that the second end of ventilation duct matches，Air outlet at the second centrifugal fan、After extending the second end insertion fixed cover of ventilation duct，Second centrifugal fan、Prolongation ventilation duct is fixing with air-flow rectification transition apparatus to be connected，Described first wire side is positioned at described fixed cover、Between described second wire side.
- Combined Portable movable the most according to claim 5 wind erosion wind tunnel simulation device, it is characterized in that: combined Portable movable wind erosion wind tunnel simulation device also includes every husky cloth, it is laid on below centrifugal wind generator every husky cloth, to prevent centrifugal wind generator from sucking sand and dust.
- Combined Portable movable the most according to claim 1 wind erosion wind tunnel simulation device, it is characterized in that: experimental situation formed device be cross section be the metal cylinder of N-shaped, experimental situation forms the opening of device and is buckled on nature sand ground, and experimental situation forms the transparent sight hole being provided with opening and close on the sidewall of device.
- Combined Portable movable the most according to claim 7 wind erosion wind tunnel simulation device, it is characterised in that: the top of experimental situation formation device is provided with the skylight opened and close, to facilitate installation wind speed measuring device.
- Combined Portable movable the most according to claim 1 wind erosion wind tunnel simulation device, it is characterized in that: the horizontal axis of the horizontal axis of centrifugal wind generator and air-flow rectification transition apparatus has the gradient of 5cm, the horizontal axis that the horizontal axis of air-flow rectification transition apparatus forms device with experimental situation to be located on the same line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620247448.8U CN205483487U (en) | 2016-03-29 | 2016-03-29 | Combined portable wind erosion wind -tunnel analogue means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620247448.8U CN205483487U (en) | 2016-03-29 | 2016-03-29 | Combined portable wind erosion wind -tunnel analogue means |
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| Publication Number | Publication Date |
|---|---|
| CN205483487U true CN205483487U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620247448.8U Expired - Fee Related CN205483487U (en) | 2016-03-29 | 2016-03-29 | Combined portable wind erosion wind -tunnel analogue means |
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| CN (1) | CN205483487U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458850A (en) * | 2018-04-04 | 2018-08-28 | 泰山学院 | A kind of small-sized wind tunnel for equipment test of eroding |
| CN114279672A (en) * | 2021-12-09 | 2022-04-05 | 中国科学院新疆生态与地理研究所 | Intensive wind tunnel structure capable of changing wind speed in layering manner |
-
2016
- 2016-03-29 CN CN201620247448.8U patent/CN205483487U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458850A (en) * | 2018-04-04 | 2018-08-28 | 泰山学院 | A kind of small-sized wind tunnel for equipment test of eroding |
| CN114279672A (en) * | 2021-12-09 | 2022-04-05 | 中国科学院新疆生态与地理研究所 | Intensive wind tunnel structure capable of changing wind speed in layering manner |
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| 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: 20160817 Termination date: 20180329 |
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| CF01 | Termination of patent right due to non-payment of annual fee |