CN103489349A - Device and method for simulating turbulence phenomenon caused by thermal radiation - Google Patents
Device and method for simulating turbulence phenomenon caused by thermal radiation Download PDFInfo
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- CN103489349A CN103489349A CN201310471072.XA CN201310471072A CN103489349A CN 103489349 A CN103489349 A CN 103489349A CN 201310471072 A CN201310471072 A CN 201310471072A CN 103489349 A CN103489349 A CN 103489349A
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- panel
- turbulent flow
- guide rail
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Abstract
The invention discloses a device and method for simulating the turbulence phenomenon caused by thermal radiation. The device comprises a panel, a containing tank, an assembled heat dissipating board, a segmental controllable heating device, a locating guide rail, an imaging device, a support and panel installation guide rails. The panel installation guide rails are arranged in sliding grooves of the containing tank, directional clamping openings matched with installation pins of the panel are formed in the panel installation guide rails, the assembled heat dissipating board is arranged in the containing tank, the assembled heat dissipating board is heated in a segmental controllable mode through the segmental controllable heating device, the segmental controllable heating device is arranged on the support, and the locating guide rail is used for installation and fixing of the imaging device. According to the device for simulating the turbulence phenomenon caused by thermal radiation, data of air turbulence caused by real heat waves capable of being designed, being controlled and reappearing can be obtained in various seasons, periods and a small space, the method for simulating the turbulence phenomenon caused by thermal radiation assists a researcher in analyzing and processing the obtained data conveniently, and therefore research or research tests are accelerated.
Description
Technical field
The present invention relates to a kind of analogue means of turbulent flow phenomenon, relate in particular to device and the analogy method of the turbulent flow phenomenon of simulation heat radiation initiation, can be applicable to the fields such as fluid physics, meteorology, image processing, intelligent transportation, safety monitoring.
Background technology
The researchists such as fluid, thermal phenomenon and image processing are in the mechanism of the air turbulence that causes of research heat wave with while affecting, often have to special to select hot noon in summer, outside possible several kilometers, even farther place is selected spacious place, furnishes necessary article and is kept an eye on, goes painstakingly to build the equipment that sets up for data acquisition to guarantee the errorless data message that obtains assigned address by the special messenger, and may also to repeatedly select in addition the more suitable still arduous severe place of condition and time and opportunity, repeatedly repeatedly could obtain the data of wanting.Brought great inconvenience to research work, therefore need a kind of can the various situations of the more convenient acquisition of support study dies personnel under the data of turbulent flow phenomenon.
Summary of the invention
The deficiency existed for prior art, the object of the invention is to provide a kind of device of simulating the turbulent flow phenomenon that heat radiation causes, apparatus of the present invention real simulation light propagation (gas) medium under the different temperatures distribution situation, the turbulent flow phenomenon caused because of the temperature difference.
Another object of the present invention is to provide the analogy method of the simulation turbulent flow phenomenon that heat radiation causes.
Goal of the invention of the present invention is achieved by the following technical solution:
A kind of device of simulating the turbulent flow phenomenon of heat radiation initiation, the panel 1 that provides turbulent flow that the front and back pattern occurs is provided, contain groove 3, can assembled heat sink 4, segmentation controllable heater 5, positioning guide rail 6 and imaging device, support 7 and erecting of panel guide rail 8, described Sheng groove 3 internal edges are provided with chute along upside, described erecting of panel guide rail 8 is placed in the chute of containing groove 3, have the directed bayonet socket 9 that the installation latch with panel 1 is complementary on described erecting of panel guide rail 8, described can assembled radiation panel 4 and corresponding heat transport medium be placed in and contain groove 3, described segmentation controllable heater 5 is around containing groove 3 bottoms and periphery to carrying out the controlled heating of segmentation by assembled heat sink 4, described controllable heater 5 is placed on height adjustable support 7, described positioning guide rail 6 is for installing fixed imaging equipment.
The device of the turbulent flow phenomenon that described simulation heat radiation causes also is equipped with contrast panel 2, contrast panel 2 provides the comparison pattern of panel 1, contrast panel 2 is transparent panel, the pattern of panel 2 and position are always consistent with panel 1, forward is seen just complete cover plate 1 pattern of panel 2 patterns, but the complementary colors that color is panel 1; Can be (part) transparent electrical sub-panel.
The chute that described Sheng groove 3 internal edges are provided with along upside is the chute of two square crossings.The area of described Sheng groove 3 is not less than 50cm * 50cm, to have in enough large area in the middle part of guaranteeing, uniform and stable heat radiation is arranged.
Described segmentation controllable heater 5 is for to carrying out the segmentation independent heating by assembled heat sink 4, and temperature can regulate and control, and can adopt the heating arrangement of regulation and control able to programme.
Described panel 1 is selected the material that thermal expansivity is lower, panel 1 can adopt electronic display, as LED etc., can design easily by programming the pattern form of panel like this, and can simulate to a certain extent the distance of target being observed to imaging device by the brightness of regulating pattern; Now contrasting panel 2 can select transparent display to coordinate panel 1 to use.
Described can assembled heat sink 4 for the emulation of different heat radiation environment (as tor, sand ground, the water surface), can adopt assembled mode by assembled heat sink 4, as long as guarantee that border after assembled can be intact with the inner boundary laminating of containing groove 3.Heat sink 4 can be by various ways composite assemblies such as level land, hollow, gully, high mountains, corresponding can choose the various material such as surface of stone, the grains of sand, earth, metal, concrete, in addition, can also further apply with vegetation, add water etc. and simulate more really radiation environment.
Described positioning guide rail 6 is for the fixing and location of imaging device.The design of positioning guide rail 6 can be copied the design that adopts erecting of panel guide rail 8, now, on 2 guide rails, scale mark can be set, and meter full scale can need to be arranged processing according to the laying scope of imaging device; Also can be used in conjunction with pedal line etc., guarantee that the observation position several times of imaging device is fixed.
The panel of described support 7 is provided with lockable guide rail, can make panel 1 move within the specific limits.
Described socket 9 is the orientable socket of hexagon.
The method of the turbulent flow phenomenon that the simulation heat radiation causes, comprise the steps:
(1) according to simulated target select suitable can assembled heat sink 4 and heat transport medium, and load in containing groove 3;
(2) select the pattern of suitable panel 1, by erecting of panel guide rail 8, determine the also installation site of fixed panel 1; Can increase as required the pattern of contrast panel 2 in this step, in order to the comparison pattern of panel 1 to be provided.
(3) determine and record the position of imaging device at positioning guide rail 6, and imaging device is configured to dbjective state;
(4) obtain the data of target pattern on panel 1;
(5) set suitable temperature and be heated to need state by 5 pairs of each segmentations of segmentation controllable heater;
(6) obtain the pattern data under turbulent flow;
(7) carry out data recording when above the setting, press according to application target needs and data recording
Above-mentioned steps is carried out new data acquisition.
A kind of device of simulating the turbulent flow phenomenon that heat radiation causes of the present invention can be in various seasons, time, in very little space, just can obtain the air turbulence data that artificially programmable, controllable, reproducible, real heat wave causes, can obtaining for the first time with verification data of supported data obtain, and provide a kind of can the support study dies personnel data analysis disposal route to obtaining more easily.
The accompanying drawing explanation
The structural representation of Fig. 1 apparatus of the present invention.
Several detail of design examples of Fig. 2 panel of the present invention, wherein different strip form means different colors.
Fig. 3 the present invention contains the erecting of panel guide rail on groove.
Turbulent flow trajectory diagram under Fig. 4 an embodiment of the present invention.
Label declaration in figure
1-panel
2-contrast panel
3-Sheng groove
4-can assembled heat sink
5-segmentation controllable heater
6-positioning guide rail
7-support
8-erecting of panel guide rail
The directed bayonet socket of 9-erecting of panel
Embodiment
Below in conjunction with accompanying drawing 1-Fig. 4, further illustrate the present invention and how to realize.
Embodiment 1
As shown in Figure 1, a kind of device of simulating the turbulent flow phenomenon of heat radiation initiation, the panel 1 that provides turbulent flow that the front and back pattern occurs is provided, contain groove 3, can assembled heat sink 4, segmentation controllable heater 5, positioning guide rail 6 and imaging device, support 7 and erecting of panel guide rail 8, described Sheng groove 3 internal edges are provided with chute along upside, described erecting of panel guide rail 8 is placed in the chute of containing groove 3, have directed bayonet socket 9(that the installation latch with panel 1 is complementary on described erecting of panel guide rail 8 as shown in Figure 3), described can assembled radiation panel 4 and corresponding heat transport medium be placed in and contain groove 3, described segmentation controllable heater 5 is around containing groove 3 bottoms and periphery to carrying out the controlled heating of segmentation by assembled heat sink 4, described controllable heater 5 is placed on height adjustable support 7, described positioning guide rail 6 is for installing fixed imaging equipment.
Can install additional with panel 1 with pattern contrast panel 2, the situation as shown in the C in Fig. 2 during pattern type, the pattern that now contrasts panel 2 should select the complementary colors of panel 1 pattern color to improve the contrast of imaging.According to ambient conditions such as the landform that will simulate, vegetation, choose existing (being combined into) or make suitable heat sink 4, and fill suitable heat transport medium in containing groove 3, with better analog simulation environment; Select and set the pattern on panel 1 and contrast panel 2, imaging device (as high-speed camera) is mounted on to the positioning guide rail 6 of imaging equipment, the height of adjusting pole 7 and imaging device makes being centered close on the same axis of panel 1, contrast panel 2 and imaging device, at this moment start image that imaging device obtains should the time pattern that contrasts on panel 2 overlap and the pattern of panel 1 blocked fully with the pattern of panel 1; Obtain contrast panel 2 and panel 1 image P now
0(obtain only have the pattern of contrast on panel 2); Start segmentation controllable heater 5, and segmentation sets suitable heating-up temperature, pattern image (or video) P of panel 1 and contrast panel 2 is obtained in lasting shooting
set, now because the turbulent flow that heat radiation causes, in imaging, can see the pattern of contrast panel 2 and panel 1 pattern partly or entirely; Process same feature target at P by compare of analysis
0and P
setin change in location, can obtain its variation track, also can reflect the dynamic characteristic of turbulent flow etc., for the researchist of different industries provides directly perceived and is easy to the data of analyzing, also can carry out aided verification simultaneously.
Fig. 4 has shown a kind of application examples: upper row t in figure
0corresponding is impact point initial (reality) position on panel 1 and contrast panel 2, and after heat radiation causes turbulent flow, on panel 1, the observation of impact point will inevitably be drifted about to actual position mutually, in chronological sequence obtains successively and record t
1, t
2, t
3deng the imaging of same impact point (such as with the particular color mark) under turbulent flow on (only illustrate 4 moment point) panel 1 constantly herein; Finally, utilize the recording image obtain synthesize impact point at observed and recorded the movement locus in the cycle, i.e. lower row " biosynthesis locus " in Fig. 4.This track has reflected gas motion state when turbulent flow occurs, and can study by this characteristic of turbulent flow, and design or checking are to imaging processing algorithm under turbulent flow etc.
Embodiment 2
As shown in Figure 1, a kind of device of simulating the turbulent flow phenomenon of heat radiation initiation, the panel 1 that provides turbulent flow that the front and back pattern occurs is provided, contain groove 3, can assembled heat sink 4, segmentation controllable heater 5, positioning guide rail 6 and imaging device, support 7 and erecting of panel guide rail 8, described Sheng groove 3 internal edges are provided with chute along upside, described erecting of panel guide rail 8 is placed in the chute of containing groove 3, have directed bayonet socket 9(that the installation latch with panel 1 is complementary on described erecting of panel guide rail 8 as shown in Figure 3), described can assembled radiation panel 4 and corresponding heat transport medium be placed in and contain groove 3, described segmentation controllable heater 5 is around containing groove 3 bottoms and periphery to carrying out the controlled heating of segmentation by assembled heat sink 4, described controllable heater 5 is placed on height adjustable support 7, described positioning guide rail 6 is for installing fixed imaging equipment.
Do not install contrast panel 2 additional or install the transparent contrast panel 2 that the scale ruling is arranged additional.Due to the imaging device angle limitations, in panel 1 and contrast panel 2 adopt as Fig. 2, in A or Fig. 2 during the pattern of category-B type, the pattern that contrasts panel 2 in imaging device can not block the pattern of panel 1 fully, thereby no longer has advantage and facility in embodiment 1.At this moment can not install contrast panel 2 additional, the direct image ratio by the heating front and back is to carrying out the analysis of data; Further, can adopt the transparent panel that is printed on ruling panel in contrast, ruling can adopt the complementary colors of panel 1 pattern color.
Claims (10)
1. a device of simulating the turbulent flow phenomenon that heat radiation causes, the panel (1) that provides turbulent flow that the front and back pattern occurs is provided, contain groove (3), can assembled heat sink (4), segmentation controllable heater (5), positioning guide rail (6) and imaging device, support (7) and erecting of panel guide rail (8), it is characterized in that: described Sheng groove (3) internal edges is provided with chute along upside, described erecting of panel guide rail (8) is placed in the chute of containing groove (3), have the directed bayonet socket (9) that the installation latch with panel (1) is complementary on described erecting of panel guide rail (8), described can assembled radiation panel (4) and corresponding heat transport medium be placed in and contain groove (3), described segmentation controllable heater (5) is around containing groove (3) bottom and periphery to carrying out the controlled heating of segmentation by assembled heat sink (4), described controllable heater (5) is placed on adjustable height and heat insulation support (7), described positioning guide rail (6) is for installing fixed imaging equipment.
2. a kind of device of simulating the turbulent flow phenomenon that heat radiation causes according to claim 1, it is characterized in that, the device of the turbulent flow phenomenon that described simulation heat radiation causes also is equipped with contrast panel (2), contrast panel (2) is identical with panel (1) size and pattern, and with the contour coaxial placement of panel (1), contrast panel (2) is the transparent material scutum, the complementary colors that color is panel (1).
3. a kind of device of simulating the turbulent flow phenomenon of heat radiation initiation according to claim 1, is characterized in that, the chute that described Sheng groove (3) internal edges is provided with along upside is the chute of two square crossings.
4. a kind of device of simulating the turbulent flow phenomenon of heat radiation initiation according to claim 1, is characterized in that, described segmentation controllable heater (5) adopts regulation and control able to programme.
5. a kind of device of simulating the turbulent flow phenomenon of heat radiation initiation according to claim 1, is characterized in that, described panel (1) is selected the material that thermal expansivity is lower.
6. a kind of device of simulating the turbulent flow phenomenon that heat radiation causes according to claim 1, it is characterized in that, described can assembled heat sink (4) to choose surface of stone, the grains of sand, earth, metal or concrete be that material and different erection methods are simulated different heat radiation environment.
7. a kind of device of simulating the turbulent flow phenomenon of heat radiation initiation according to claim 1, is characterized in that, described positioning guide rail arranges scale mark on (6), and meter full scale need to be arranged according to the laying scope of imaging device.
8. a kind of device of simulating the turbulent flow phenomenon of heat radiation initiation according to claim 1, is characterized in that, the area of described Sheng groove (3) is not less than 50cm * 50cm.
9. analogue means as described as claim 1-8 is simulated the method for the turbulent flow phenomenon of heat radiation initiation, it is characterized in that, comprises the steps:
(1) according to simulated target select suitable can assembled heat sink (4) and heat transport medium, and load in containing groove (3);
(2) select the pattern of suitable panel (1), by erecting of panel guide rail (8), determine the also installation site of fixed panel 1;
(3) determine and record the position of imaging device in positioning guide rail (6), and imaging device is configured to dbjective state;
(4) obtain the data of the upper target pattern of panel (1);
(5) by segmentation controllable heater (5), each segmentation is set suitable temperature and is heated to need state;
(6) obtain the pattern data under turbulent flow;
(7) carry out data recording when above the setting, according to application target needs and data recording, by above-mentioned steps, carry out new data acquisition.
10. analogy method according to claim 9, is characterized in that: increase as required the pattern of contrast panel (2) in described (2) step, in order to the comparison pattern of panel (1) to be provided.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310471072.XA CN103489349B (en) | 2013-10-10 | 2013-10-10 | Device and method for simulating turbulence phenomenon caused by thermal radiation |
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| CN201310471072.XA CN103489349B (en) | 2013-10-10 | 2013-10-10 | Device and method for simulating turbulence phenomenon caused by thermal radiation |
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| CN103489349B CN103489349B (en) | 2015-07-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106372271A (en) * | 2015-07-22 | 2017-02-01 | 波音公司 | Methods and apparatus to model thermal mixing for prediction of multi-stream flows |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5756990A (en) * | 1996-04-17 | 1998-05-26 | The United States Of America As Represented By The Secretary Of The Army | Simplified simulation of effects of turbulence on digital imagery |
| JP2000009583A (en) * | 1998-06-19 | 2000-01-14 | Hitachi Zosen Corp | Turbulence generating member |
| CN202057475U (en) * | 2010-11-23 | 2011-11-30 | 中国科学院安徽光学精密机械研究所 | Atmospheric turbulence simulation device |
| CN102435416A (en) * | 2011-09-21 | 2012-05-02 | 哈尔滨工业大学 | Forced isotropic turbulence experimental apparatus |
| CN203573529U (en) * | 2013-10-10 | 2014-04-30 | 中国航空工业集团公司上海航空测控技术研究所 | Device for simulating turbulence phenomenon caused by thermal radiation |
-
2013
- 2013-10-10 CN CN201310471072.XA patent/CN103489349B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5756990A (en) * | 1996-04-17 | 1998-05-26 | The United States Of America As Represented By The Secretary Of The Army | Simplified simulation of effects of turbulence on digital imagery |
| JP2000009583A (en) * | 1998-06-19 | 2000-01-14 | Hitachi Zosen Corp | Turbulence generating member |
| CN202057475U (en) * | 2010-11-23 | 2011-11-30 | 中国科学院安徽光学精密机械研究所 | Atmospheric turbulence simulation device |
| CN102435416A (en) * | 2011-09-21 | 2012-05-02 | 哈尔滨工业大学 | Forced isotropic turbulence experimental apparatus |
| CN203573529U (en) * | 2013-10-10 | 2014-04-30 | 中国航空工业集团公司上海航空测控技术研究所 | Device for simulating turbulence phenomenon caused by thermal radiation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106372271A (en) * | 2015-07-22 | 2017-02-01 | 波音公司 | Methods and apparatus to model thermal mixing for prediction of multi-stream flows |
| CN106372271B (en) * | 2015-07-22 | 2021-11-05 | 波音公司 | Method and apparatus for simulating thermal mixing for predicting multi-stream flow |
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Granted publication date: 20150701 Termination date: 20211010 |