CN109430101A - A kind of small birds or insect migrate the wind tunnel experiment system of behavioral study - Google Patents
A kind of small birds or insect migrate the wind tunnel experiment system of behavioral study Download PDFInfo
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- CN109430101A CN109430101A CN201811251976.0A CN201811251976A CN109430101A CN 109430101 A CN109430101 A CN 109430101A CN 201811251976 A CN201811251976 A CN 201811251976A CN 109430101 A CN109430101 A CN 109430101A
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- 238000002474 experimental method Methods 0.000 title claims abstract description 21
- 241000238631 Hexapoda Species 0.000 title claims abstract description 12
- 230000003542 behavioural effect Effects 0.000 title claims abstract description 7
- 230000007613 environmental effect Effects 0.000 claims abstract description 10
- 239000002245 particle Substances 0.000 claims description 20
- 238000004088 simulation Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 230000003068 static effect Effects 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 7
- 230000008602 contraction Effects 0.000 claims description 6
- 238000013016 damping Methods 0.000 claims description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims 1
- 230000006641 stabilisation Effects 0.000 claims 1
- 238000011105 stabilization Methods 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 9
- 238000011160 research Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000004060 metabolic process Effects 0.000 description 3
- 238000000917 particle-image velocimetry Methods 0.000 description 3
- 230000000386 athletic effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000021056 liquid food Nutrition 0.000 description 1
- 239000011664 nicotinic acid Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 230000004844 protein turnover Effects 0.000 description 1
- 239000000700 radioactive tracer Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K31/00—Housing birds
- A01K31/14—Nest-boxes, e.g. for singing birds or the like
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/0047—Air-conditioning, e.g. ventilation, of animal housings
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
- A01K67/033—Rearing or breeding invertebrates; New breeds of invertebrates
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Birds (AREA)
- Animal Behavior & Ethology (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The invention discloses the wind tunnel experiment systems that a kind of small birds or insect migrate behavioral study, including low speed closed circuit wind tunnel hole body, wind-tunnel support device, multifunctional environmental simulator, performance parameter measuring device, low speed closed circuit wind tunnel hole body is horizontally disposed annular artificial airflow pipeline；Low speed closed circuit wind tunnel hole body is mounted in the wind-tunnel support device, wind-tunnel support device is for changing the low speed closed circuit wind tunnel axial plane and horizontal direction inclination angle, multifunctional environmental simulator simulated environment, the present invention provides a kind of wind tunnel experiment device that performance study is migrated for flying creatures such as birds or insects, carries out the test of the characterisitic parameters such as aerodynamic force, contactless flow field quantitative measurment and energy consumption in wind-tunnel artificial airflow to flying creature；Small, easy to operate, the scientific convenience of apparatus of the present invention occupied area, with strong points, air stream turbulence degree is low, can accurately adjust the simulated conditions such as experimental section flow velocity, rainfall and light intensity.
Description
Technical field
The present invention relates to the wind tunnel experiment systems that a kind of small birds or insect migrate behavioral study.
Background technique
Birds or insect migrate performance and are of great significance to the morphology of exploratory flight biology and metabolism etc., simultaneously
Optimal flight scenario and strategy is how selected also to have very strong guidance and evocation to the design of bionic micro aircraft；At present
Scientist is usually under field conditions (factors) observed correlated performance using instruments such as the sensors being placed on flying creature body
And there is such as nonrepeatability measurement, in specific natural conditions although the strong research for having pushed related direction in analysis
Lower long-time measures and can not be the deficiencies of disposing large-scale measuring instrument on flying creature body.
Wind-tunnel, that is, wind tunnel laboratory, using relative motion principle, flying creature, which is tethered at or is freely hovered over, be can produce
In the experimental section of controllable arrives stream wind speed, and then changed using the detailed flight attitude of high speed camera logger, is surveyed using particle picture
Fast technology carries out flow field parameter measurement, to obtain the related flight performance parameter such as flight aerodynamic force and energy consumption, further uses
Habit is migrated analyze flying creature；Tunnel airstream is easy to control and manipulates, the repetition that can be dried repeatedly experiment, " opposite
It is static " flight is conducive to carry out data acquisition using measuring device, while it is outer can also arbitrarily to change humidity, illumination in stable section etc.
Boundary's natural environmental condition studies corresponding affecting laws, carries out and migrates the energy consumption generated in flight course, Protein Turnover,
The characteristic variations such as water balance.
Generally speaking, wind-tunnel migrates the experimental provision of behavioral study as birds or insect, has the advantage that (1) gas
Convenient for control and manipulation, flying creature is opposing stationary to be convenient for carrying out fine measurement stream；(2) repetition experiment can be carried out；(3) experiment at
Originally it compares field measurement and wants low, not by natural environment influence；(4) convenient artificial feeding flying creature indoors.
Summary of the invention
The purpose of the present invention is to provide a kind of wind tunnel experiment system, which is small birds or insect etc.
Flying creature migrates flying quality research and provides the environment of artificial airflow and a variety of different natural conditions, and flow angle can be with winged
The row biology practical flight angle of attack is adjusted, with strong points, have a wide range of application, is easy to operate, the environment suitable for different condition
Simulation test.
It is all can experimental section of the present invention fly birds or insect, belong to it is of the present invention " small-sized ", for example, can
Experimental section is sized to 0.5m × 0.5m × 1.8m.
In order to solve the above-mentioned technical problem, adopt the following technical scheme that a kind of small birds or insect migrate behavioral study
Wind tunnel experiment system, the wind tunnel experiment system includes low speed closed circuit wind tunnel hole body, wind-tunnel support device, Multifunctional environment
Simulator, performance parameter measuring device, low speed closed circuit wind tunnel hole body are horizontally disposed annular artificial airflow pipeline,
Including be sequentially connected end to end stable section, contraction section, experimental section, the first diffuser, the first turning, the second diffuser, second turn
Angle, group section, power section, third diffuser, third turning, circulation section, the 4th turning；Low speed closed circuit wind tunnel hole body peace
In the wind-tunnel support device, wind-tunnel support device is for changing the low speed closed circuit wind tunnel axial plane and level side
To inclination angle, it is made of pedestal and tilting platform；Pedestal, one end of tilting platform and hydraulic liter are articulated in the middle part of the tilting platform
Falling unit is connected；Fixed angle instrument on tilting platform；
The multifunctional environmental simulator is located at the experimental section, including at least simulator of drenching with rain, adjustable light intensity
One of irradiation unit and device for feeding, the simulator simulation of drenching with rain generate different rainfall, the tunable optical intense irradiation
Unit simulation generates different light intensity；The device for feeding is that flying creature injects feeding；
Uniform artificial airflow in the low speed closed circuit wind tunnel passes through the blower being arranged in power section and generates；It is described steady
Determine to be equipped with honeycomb and damping screen in section, first turning, third turning, has one group to lead in the 4th turning at the second turning
Flow；
Performance parameter measuring device is made of high speed camera image acquisition system, particle image speed-measuring system (PIV)；At a high speed
Camera image acquisition system includes two high-speed cameras for being located in experimental section, and being located at different location, shoots two differences
The flight attitude video of angle；Particle image speed-measuring system is used to obtain the speed field distribution of experimental section.
Further, device of drenching with rain includes sequentially connected water tank, water pump, swing pipe and spray head；
Further, tunable optical intense irradiation device is solid state light emitter LED light；
Further, device for feeding is made of feeding inserting tube and foodstuff charging point；
Further, the blower includes variable-frequency motor and fan；
Further, stagnation pressure tube and static tube is respectively set in stable section exit and experimental section entrance, connects with air gauge
It connects and measures air-flow stagnation pressure and static pressure respectively.
Further, the outlet that dispenses that the trace particle of particle image speed-measuring system dispenses device is located at stable section, uniformly
Dispense trace particle；The laser of particle image speed-measuring system generates sheet laser, the sheet laser perpendicular to experimental section wind-tunnel axis,
And it is translated in experimental section along wind-tunnel axis；Frame straddling cameras and sheet laser synchronizing moving record across frame image.
As a result of the above technical solution, the following beneficial effects are obtained:
(1) present invention is a kind of wind tunnel experiment system, which is the flying creatures such as small birds or insect
It migrates flying quality research and provides the environment of artificial airflow and a variety of different natural conditions, flow angle can be with flying creature reality
Border flying drilling angle is adjusted, with strong points, have a wide range of application, is easy to operate, and the environmental simulation suitable for different condition is tested；
(2) air velocity and turbulivity of low speed closed circuit wind tunnel device are adjustable, meet the flight of various flying creatures
Speed simulation requires；Wind-tunnel can continuously open, and meet and long-distance migrate time simulation requirement；Tilting platform is adjusted, can be changed in real time
Wind-tunnel axis and horizontal direction inclination angle, to simulate different angle of attack air-flow environment conditions；And it is able to satisfy flying creature and climbs or bow
The measurement simulation for breaking through performance parameter in journey requires；
(3) by adjusting the parameter setting of multifunctional environmental simulator, it can simulate and generate different rainfall and do not share the same light
Strong natural environment；It can be the flying creature feeding of follow-on mission by feeding systems, carry out metabolism and energy conversion
Etc. characteristics research；
(4) setting of passage capacity parameter measurement system carries out flying creature aerodynamic force using particle image speed-measuring system
And energy conversion measurement, carry out flying creature attitudes vibration measuring study using high speed camera system；The two, which combines, to be opened
The research of habit is migrated in exhibition flying creature flight characteristics, metabolism etc., promotes the ecology and flying creature to flying creature
The exploration of high-lift fly mechanics recognizes, and can also provide new approaches in engineering for the research and development of course of new aircraft；
Detailed description of the invention
Fig. 1 is low speed closed circuit wind tunnel top view；
Fig. 2 is low speed closed circuit wind tunnel side view；
Fig. 3 is multifunctional environmental simulator schematic diagram；
Fig. 4 is performance parameter measuring system schematic diagram；
In figure: the body of 1- low speed closed circuit wind tunnel hole；2- honeycomb；3- damping screen；4- stable section；5- contraction section；6- solid-state
Light source led lamp；7- drenches with rain simulator；8- experimental section；The first diffuser of 9-；The first turning 10-；The first flow deflector of 11-；12-
Second diffuser；The second turning 13-；The second flow deflector of 14-；15- group section；16- power section；17- motor cover；18- third expands
Dissipate section；19- third turning；20- third flow deflector；21- circulation section；The 4th turning 22-；23-the four flow deflector；24- verts flat
Platform support；25- tilting platform；26- protractor；27- verts driving motor；28- stagnation pressure tube；29- static tube；30- feeding inserting tube；
31- water tank；32- water pump；33- swing pipe；34- spray head；35- high speed camera；36- laser；37- frame straddling cameras；The acquisition of 38- data
And control system；39- trace particle dispenses device.
Specific embodiment
A kind of wing tunnel test apparatus generating artificial airflow, including low speed closed circuit wind tunnel hole body 1, low speed closed circuit wind tunnel
Hole body 1 is horizontally disposed annular artificial airflow pipeline, including be sequentially connected end to end honeycomb 2, damping screen 3, stable section 4,
Contraction section 5, experimental section 8, the first diffuser 9, the first turning 10, the second diffuser 12, the second turning 13, group section 15, power
Section 16, third diffuser 18, third turning 19, circulation section 21, the 4th turning 22, hole body are supported integrally in wind-tunnel support device
On；
Artificial airflow in wind tunnel body 1 is generated by the blower (variable-frequency motor driving fan) in power section 16, air-flow warp
Third diffuser 18 is crossed, third turning 19, circulate section 21, and 22 enter stable section 4, the air-flow after contraction section 5 behind the first turning
It accelerates to wind speed setting and enters experimental section 8,8 interior air-flow of experimental section is uniform, and flying creature is placed in experimental section 8, and then air-flow subtracts
The first diffuser 9 is passed through in speed pressurization, the first turning 10, the second diffuser 12, the second turning 13, group section 15, into power section
Air-flow drives stagnation pressure to increase by blower after 16, and air-flow enters stable section 4 later, can be with by the Cellular Networks and damping screen of setting
Air-flow is rectified again；Four corners of wind tunnel body are provided with flow deflector 11,14,20,23, convenient for air-flow better by,
Energy loss when air-flow flows in wind-tunnel is reduced, the testing requirement of various different conditions is met；
Multifunctional environmental simulator is arranged at experimental section, by simulator 7 of drenching with rain, tunable optical intense irradiation device and feeds
Device composition is eaten, simulator of drenching with rain generates pressure 100-150kpa, flow 100 ± 1L/min, maximum duration 1000min
Rainfall, simulation generates the natural environment of different rainfall, and rainfall range is in 0-10mm/h；Tunable optical intense irradiation device is selected
300W silica gel packaging solid state light emitter LED light 6, simulation generate the natural environment of different light intensity, 0-500lx of range of light intensity；Feeding dress
Set and be made of feeding inserting tube 30 and foodstuff charging point, for over long distances (long-time) migrate flight simulation test in be continuously it is winged
Row bio-inert feeding, different flying creatures select corresponding foodstuff type；
Performance parameter measuring device is made of high speed camera image acquisition system, particle image speed-measuring system (PIV), high speed
Camera image acquisition system includes two high-speed cameras 35 for being located in experimental section 8, and being located at different location, and shooting two is not
With the flight attitude video of angle.These flight attitude videos can be used for further scientific research, for example, by the video of acquisition
By obtaining the athletic posture changing rule of flying creature wing and body after the Video processing software synthesis of processor；
Particle image speed-measuring system is used to obtain the speed field distribution of experimental section, generally comprises laser 36, frame straddling cameras
37, trace particle dispenses system 39, and the outlet that dispenses that trace particle dispenses device 39 is located at stable section 4, uniformly dispenses tracer grain
Son；36 generation wavelength of laser is the sheet laser of 532nm, and the sheet laser is perpendicular to 8 wind-tunnel axis of experimental section, and sheet laser is in reality
Section 8 is tested to move along wind-tunnel axis；Frame straddling cameras 37 and sheet laser synchronizing moving, and record across frame image；In figure, it is using control
System 38 realizes the triggering synchronous with sheet laser of frame straddling cameras 37, and handles and obtain speed field distribution；
Here velocity field point distribution combines above-mentioned athletic posture changing rule, can be used for further analyzing and be flown
The aerodynamic force and energy dissipation result that process flying creature individual is subject to；
The specific work process of the wind tunnel system:
Opening device；Blower starting in power section 16, by fan forced, air-flow starts flowing and (adjusts variable-frequency motor
Frequency can change rotation speed of the fan, to adjust air-flow velocity), enter third turning 19 through third diffuser 18, is led in third
It under the orientation of flow 20, realizes that wind direction is turned back for the first time, and then the first turning 22 is entered by circulation section 21, in the first water conservancy diversion
Under the orientation of piece 23, into stable section 4, after the adjustment after honeycomb 2, damping screen 3, stable section 4 and contraction section 5,
The lower air-flow of uniform turbulivity will be obtained in experimental section 8；Flying creature is opposing stationary to be placed in experimental section 8, can be tethered at
Or bar supports or free flight, hereafter air-flow is along the first diffuser 9, by the second turning 10, the second diffuser 12 and the 4th turning
After 13, power section 16 is returned；4 exit of stable section and 8 entrance of experimental section are respectively set by stagnation pressure tube 28 and static tube 29, with
Air gauge connection measures air-flow stagnation pressure and static pressure respectively, and then measures experimental section air-flow velocity；
The wind tunnel body 1 is mounted in wind-tunnel support device, wind-tunnel support device for changing wind-tunnel axial plane with
Horizontal direction inclination angle, is made of pedestal and tilting platform；Be articulated with pedestal in the middle part of the tilting platform, one end of tilting platform with
Hydraulic lift is connected；Fixed angle instrument on tilting platform；Tilting platform is adjusted, wind-tunnel axis and level can be changed in real time
Direction inclination angle, to simulate different angle of attack air-flow environment conditions；- 8 ° of change of pitch angle range -8 °, angle regulate the speed for 30 °/
Min, meet flying creature climb or process of subduction in performance parameter measurement simulation require；The tilt angle of tilting platform is by angle
Device 26 is spent to read；
Multi-functional analog device includes solid state light emitter LED light 6 and drenches with rain simulator 7 at experimental section, as shown in Figure 2；Hello
Food inserting tube 30 is located at experimental section, for injecting liquid food to flying creature；Unlatching is drenched with rain device, and device of drenching with rain generates pressure 100-
150kpa, maximum stream flow is up to 100 ± 1L/min, the rainfall of maximum duration 1000min, Simulated rainwater by water pump 32 from
It extracts out in water tank 31, is sprayed by swing pipe 33 by spray head 34, change water pump current regulation amount of water sprayed, rainfall range is 0-
10mm/h；Solid state light emitter LED light 6 is opened, different illumination intensity is adjusted, simulates natural light irradiation environment, light intensity regulating range is
0—500lx；
Open performance parameter measurement system；High speed camera 35 is first opened, frequency acquisition is up to 1000Hz, to defocused acquisition
Shoot the flight video of flying creature；Further carry out particle image velocimetry experiment；Laser 36 is opened, frame straddling cameras is adjusted
37；Operation control system 38 is then turned on trace particle and dispenses device 39, measures to space flow field VELOCITY DISTRIBUTION to be measured,
Further obtain speed field distribution.When needing to simulate different angle of attack air-flow environment conditions, hydraulic lift is adjusted, so that inclining
Turn platform inclination certain angle.
Claims (7)
1. the wind tunnel experiment system that a kind of small birds or insect migrate behavioral study, it is characterised in that: the wind tunnel experiment system
System includes low speed closed circuit wind tunnel hole body (1), wind-tunnel support device, multifunctional environmental simulator, performance parameter measuring device,
Low speed closed circuit wind tunnel hole body (1) is horizontally disposed annular artificial airflow pipeline, including the stabilization being sequentially connected end to end
Section (4), contraction section (5), experimental section (8), the first diffuser (9), the first turning (10), the second diffuser (12), the second turning
(13), group section (15), power section (16), third diffuser (18), third turning (19), circulation section (21), the 4th turning
(22)；Low speed closed circuit wind tunnel hole body (1) is mounted in the wind-tunnel support device, and wind-tunnel support device is for changing institute
Low speed closed circuit wind tunnel axial plane and horizontal direction inclination angle are stated, is made of pedestal and tilting platform；In the middle part of the tilting platform
It is articulated with pedestal, one end of tilting platform is connected with hydraulic lift；Fixed angle instrument on tilting platform；
The multifunctional environmental simulator is located at the experimental section, including at least simulator of drenching with rain, tunable optical intense irradiation
One of device and device for feeding, the simulator simulation of drenching with rain generate different rainfall, the tunable optical intense irradiation device
Simulation generates different light intensity；The device for feeding is that flying creature injects feeding；
Uniform artificial airflow in the low speed closed circuit wind tunnel is generated by the blower being arranged in power section (16)；It is described steady
Determine to be equipped with honeycomb (2) and damping screen (3) in section (4), it is first turning, the second turning, third turning, equal in the 4th turning
There is one group of flow deflector；
Performance parameter measuring device is made of high speed camera image acquisition system, particle image speed-measuring system；High speed camera image
Acquisition system includes two high-speed cameras (35) for being located in experimental section (8), and being located at different location, shoots two different angles
The flight attitude video of degree；Particle image speed-measuring system is used to obtain the speed field distribution of experimental section.
2. wind tunnel experiment system according to claim 1, which is characterized in that device of drenching with rain includes sequentially connected water tank
(31), water pump (32), swing pipe (33) and spray head (34).
3. wind tunnel experiment system according to claim 1, which is characterized in that tunable optical intense irradiation device is solid state light emitter
LED light (6).
4. wind tunnel experiment system according to claim 1, which is characterized in that device for feeding is by feeding inserting tube (30) and foodstuff
Charging point composition.
5. wind tunnel experiment system according to claim 1, which is characterized in that the blower includes variable-frequency motor and fan.
6. wind tunnel experiment system according to claim 1, which is characterized in that stable section (4) exit and experimental section (8) into
Stagnation pressure tube (28) and static tube (29) is respectively set at mouthful, is connect with air gauge and measures air-flow stagnation pressure and static pressure respectively.
7. wind tunnel experiment system according to claim 1, which is characterized in that the trace particle cloth of particle image speed-measuring system
The outlet that dispenses for spreading device (39) is located at stable section (4), uniformly dispenses trace particle；The laser of particle image speed-measuring system
(36) sheet laser is generated, which translates perpendicular to experimental section (8) wind-tunnel axis, and in experimental section (8) along wind-tunnel axis；Across
Frame camera (37) and sheet laser synchronizing moving record across frame image.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811251976.0A CN109430101B (en) | 2018-10-25 | 2018-10-25 | Wind tunnel experiment system for researching migration habit of small birds or insects |
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|---|---|---|---|
| CN201811251976.0A CN109430101B (en) | 2018-10-25 | 2018-10-25 | Wind tunnel experiment system for researching migration habit of small birds or insects |
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| CN109430101B CN109430101B (en) | 2023-09-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115997736A (en) * | 2023-03-28 | 2023-04-25 | 绵阳师范学院 | Flying speed testing equipment for insects |
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| CN114126401A (en) * | 2019-06-03 | 2022-03-01 | 布勒昆虫技术解决方案股份公司 | Climate system |
| CN114126401B (en) * | 2019-06-03 | 2023-12-05 | 布勒昆虫技术解决方案股份公司 | climate system |
| CN114608792A (en) * | 2022-05-10 | 2022-06-10 | 中国空气动力研究与发展中心高速空气动力研究所 | Method for measuring uniform region of sub-transonic jet flow field of high-speed jet wind tunnel by short-shaft probe |
| CN114608792B (en) * | 2022-05-10 | 2022-07-15 | 中国空气动力研究与发展中心高速空气动力研究所 | Method for measuring uniform region of sub-transonic jet flow field of high-speed jet wind tunnel by short-shaft probe |
| CN115997736A (en) * | 2023-03-28 | 2023-04-25 | 绵阳师范学院 | Flying speed testing equipment for insects |
| CN115997736B (en) * | 2023-03-28 | 2023-05-30 | 绵阳师范学院 | Flying speed testing equipment for insects |
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