CN104019956B - Wind-tunnel is demarcated in the environmental simulation of loop checking installation - Google Patents
Wind-tunnel is demarcated in the environmental simulation of loop checking installation Download PDFInfo
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- CN104019956B CN104019956B CN201410258046.3A CN201410258046A CN104019956B CN 104019956 B CN104019956 B CN 104019956B CN 201410258046 A CN201410258046 A CN 201410258046A CN 104019956 B CN104019956 B CN 104019956B
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Abstract
Wind-tunnel is demarcated in a kind of environmental simulation of loop checking installation of the invention, it is by linkage section, power section, refrigerating section, bringing-up section, vacuum control section, big turnaround section, rectification section, contraction section, replaceable test section, wind-tunnel is demarcated in the environmental simulation that diffuser and small turnaround section are sequentially connected composition loop checking installation, power section built with or be connected to blower fan, in refrigerating section or bringing-up section built with evaporator or heater, it is outer equipped with vacuum-control(led) system in vacuum control section, the outer wall of contraction section is connected to rectification section between replaceable test section, rectification section is 58 with the shrinkage ratio of replaceable test section:1, replaceable test section is identical along its length direction external diameter, and external diameter of the diffuser near replaceable test section one end is close to the external diameter of small turnaround section one end less than diffuser；The environmental simulation of loop checking installation of the invention demarcates what wind-tunnel can be demarcated under the operation temperature of the big device of air of analog detection, pressure and wind speed to it.
Description
Technical field
The present invention relates to a kind of wind-tunnel, wind-tunnel is demarcated in the environmental simulation of particularly a kind of loop checking installation, and it is used to demarcate examines
The device of air and particulate matter under survey different pressures wind speed temperature environment.
Background technology
At present, the parameters such as stagnation pressure, the static pressure of big device of air are detected to demarcate usually using Pitot tube, and detects air at present
The demarcation of device is demarcated under normal temperature, normal pressure and wind speed, and this can be deposited with the operating condition of actually detected big device of air
In larger gap, therefore especially need a kind of device of the big device of air actual operating condition of analog detection.
The content of the invention
Present invention is aimed to overcome that and existing can not demarcated under the operating environment for detecting big device of air
Shortcoming, and provide a kind of loop checking installation environmental simulation demarcate wind-tunnel.
In order to complete present invention purpose, the application uses following technical scheme：
Wind-tunnel is demarcated in a kind of environmental simulation of loop checking installation of the invention, and it is by linkage section, power section, refrigerating section, heating
Section, vacuum control section, big turnaround section, rectification section, contraction section, replaceable test section, diffuser and small turnaround section are sequentially connected group
Wind-tunnel is demarcated in the environmental simulation for circularizing loop, wherein：Power section built with or be connected to internal fan or blade built-in motor
External blower fan, it is outer equipped with vacuum control system in vacuum control section in refrigerating section or bringing-up section built with evaporator or heater
System, the outer wall of contraction section is connected to rectification section between replaceable test section, and rectification section is with the shrinkage ratio of replaceable test section
4-8:1, replaceable test section external diameter is identical, and diffuser is identical with replaceable test section linkage section external diameter, diffuser (15)
External diameter is gradually diffusing into less than 10 ° of gradients to the external diameter of small turnaround section connection end；
Wind-tunnel is demarcated in a kind of environmental simulation of loop checking installation of the invention, wherein：The gradient of the contraction section is 4：1 to 8：
1；
Wind-tunnel is demarcated in a kind of environmental simulation of loop checking installation of the invention, wherein：The gradient of the diffuser is 7 ° -10 °；
Wind-tunnel is demarcated in a kind of environmental simulation of loop checking installation of the invention, wherein：In the refrigerating section built with evaporator,
In the built-in having heaters of bringing-up section；
Wind-tunnel is demarcated in a kind of environmental simulation of loop checking installation of the invention, wherein：In the built-in having heaters of the refrigerating section,
In bringing-up section built with evaporator；
Wind-tunnel is demarcated in a kind of environmental simulation of loop checking installation of the invention, wherein：In the end of the power section equipped with blower fan
It is respectively provided with the first filter and the second filter；
Wind-tunnel is demarcated in a kind of environmental simulation of loop checking installation of the invention, wherein：In described rectification section built with the 3rd
Filter；
Wind-tunnel is demarcated in a kind of environmental simulation of loop checking installation of the invention, wherein：The 3rd described filter is installed adjacent to
The rectification section end of big turnaround section；Or the 3rd filter be installed adjacent to the rectification section end of contraction section, in big turnaround section and small
Two corners of turnaround section are respectively provided with one group of flow deflector；
Wind-tunnel is demarcated in a kind of environmental simulation of loop checking installation of the invention, wherein：It is provided with described replaceable test section
Demarcate thing entrance；
Wind-tunnel is demarcated in a kind of environmental simulation of loop checking installation of the invention, wherein：The linkage section, power section, refrigerating section,
Bringing-up section, vacuum control section, between big turnaround section, rectification section, contraction section, replaceable test section, diffuser and small turnaround section lead to
Flange is crossed to interconnect.
Wind-tunnel is demarcated in the environmental simulation of loop checking installation of the invention can be in the operation temperature of the big device of air of analog detection, pressure
It is demarcated under power and wind speed, this can be close with the operating condition of actually detected big device of air, can exactly to inspection
Big device of air is surveyed to be demarcated.
Brief description of the drawings
Fig. 1 is that the environmental simulation of loop checking installation of the invention is demarcated wind-tunnel and bowed to schematic diagram.
In Fig. 1, label 1 is linkage section；Label 2 is the first filter；Label 3 is power section；Label 4 is blower fan；Mark
Numbers 5 is refrigerating section；Label 6 is evaporator；Label 7 is bringing-up section；Label 8 is heater；Label 9 is vacuum control section；Label
10 is big turnaround section；Label 11 is the 3rd filter；Label 12 is rectification section；Label 13 is contraction section；Label 14 is replaceable
Test section；Label 15 is diffuser；Label 16 is small turnaround section；Label 17 is the second filter；Label 18 is demarcation thing entrance；
Label 19 is vacuum-control(led) system, and label 20 is flow deflector.
Specific embodiment
As shown in figure 1, a kind of environmental simulation of loop checking installation of the invention demarcates wind-tunnel by linkage section 1, power section 3, refrigeration
Section 5, bringing-up section 7, vacuum control section 9, big turnaround section 10, rectification section 12, contraction section 13, replaceable test section 14, diffuser 15
With small turnaround section 16 be sequentially connected composition loop checking installation environmental simulation demarcate wind-tunnel, linkage section 1, power section 3, refrigerating section 5, plus
Hot arc 7, vacuum control section 9, big turnaround section 10, rectification section 12, contraction section 13, replaceable test section 14, diffuser 15 and small turn
Interconnected by flange between curved segment 16.
Power section 3 built with or be connected to internal fan or the external blower fan 4 of blade built-in motor, it is built-in in refrigerating section 5
There is evaporator 6, in the built-in having heaters 8 of bringing-up section 7.Or in the built-in having heaters 8 of the refrigerating section 5, it is built-in in bringing-up section 7
There is evaporator 6 (being not drawn into Fig. 1).
Vacuum-control(led) system 19 is housed vacuum control section 9 is outer, the outer wall of contraction section 13 is connected to rectification section 12 to can be more
Change between test section 14, rectification section 12 is 4-8 with the shrinkage ratio of replaceable test section 14:1, the gradient of contraction section 13 is 4：1 to
8：1, the external diameter of replaceable test section 14 is identical, and diffuser 15 is identical with the linkage section external diameter of replaceable test section 14, diffuser
15 external diameters are gradually diffused into the external diameter of the connection end of small turnaround section 16 with less than 10 ° of gradients.For example the gradient of diffuser 15 be 7 °-
10 °, one group of flow deflector 20 is respectively provided with 4 corners of big turnaround section 10 and small turnaround section 16.
The first filter 2 and the second filter 17 are respectively provided with the end of the power section 3 equipped with blower fan.In rectification section 12
Built with the 3rd filter 11, the 3rd filter 11 is installed adjacent to the end of rectification section 12 of big turnaround section 10；Or the 3rd filtering
Device 11 is installed adjacent to the end of rectification section 12 of contraction section 13.
Demarcation thing entrance 18 is provided with replaceable test section 14, detects that big device of air loads annular by demarcating thing entrance 18
The environmental simulation in loop is demarcated and demarcated in wind-tunnel, in replaceable test section 14, particle can be changed according to experiment needs
The test of the kinetic heads such as slope, particle aging experiment, particulate matter regulation etc. is demarcated, penetrated to thing..
Linkage section 1, power section 3, refrigerating section 5, bringing-up section 7, vacuum control section 9, big turnaround section 10, rectification section 12, contraction
Section 13, interconnected by flange between replaceable test section 14, diffuser 15 and small turnaround section 16.
Above description is explanation of the invention, is not the restriction to inventing, and limited range of the present invention is referring to right
It is required that, in the case of without prejudice to spirit of the invention, the present invention can make any type of modification.
Claims (4)
1. wind-tunnel is demarcated in the environmental simulation of a kind of loop checking installation, and it is by linkage section (1), power section (3), refrigerating section (5), bringing-up section
(7), vacuum control section (9), big turnaround section (10), rectification section (12), contraction section (13), replaceable test section (14), diffuser
(15) and small turnaround section (16) be sequentially connected composition loop checking installation environmental simulation demarcate wind-tunnel, it is characterised in that：In power section
(3) built with or be connected to internal fan or the external blower fan of blade built-in motor (4), in refrigerating section (5) built with evaporator
(6), in bringing-up section (7) built-in having heaters (8), vacuum-control(led) system (19), contraction section are housed outward in vacuum control section (9)
(13) outer wall is connected to rectification section (12) between replaceable test section (14), rectification section (12) and replaceable test section (14)
Shrinkage ratio be 4-8:1, replaceable test section (14) external diameter is identical, and diffuser (15) is connected with replaceable test section (14)
Section external diameter is identical, and diffuser (15) external diameter is gradually diffusing into less than 10 ° of gradients to the external diameter of small turnaround section (16) connection end；In dress
The end for having the power section of blower fan is respectively provided with the first filter and the second filter；In described rectification section built with the 3rd mistake
Filter；The 3rd described filter is installed adjacent to the rectification section end of big turnaround section；Or the 3rd filter be installed adjacent to shrink
The rectification section end of section, one group of flow deflector is respectively provided with two corners of big turnaround section and small turnaround section；Described can be more
Change on test section and be provided with demarcation thing entrance.
2. wind-tunnel is demarcated in the environmental simulation of loop checking installation as claimed in claim 1, it is characterised in that：The contraction section (13)
Gradient is 4：1 to 8：1.
3. wind-tunnel is demarcated in the environmental simulation of loop checking installation as claimed in claim 2, it is characterised in that：The diffuser (15)
Gradient is 7 ° -10 °.
4. wind-tunnel is demarcated in the environmental simulation of the loop checking installation as described in claim 1-3 any claims, it is characterised in that：Institute
State linkage section (1), power section (3), refrigerating section (5), bringing-up section (7), vacuum control section (9), big turnaround section (10), rectification section
(12), it is connected with each other by flange between contraction section (13), replaceable test section (14), diffuser (15) and small turnaround section (16)
Together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410258046.3A CN104019956B (en) | 2014-06-11 | 2014-06-11 | Wind-tunnel is demarcated in the environmental simulation of loop checking installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410258046.3A CN104019956B (en) | 2014-06-11 | 2014-06-11 | Wind-tunnel is demarcated in the environmental simulation of loop checking installation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104019956A CN104019956A (en) | 2014-09-03 |
| CN104019956B true CN104019956B (en) | 2017-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410258046.3A Expired - Fee Related CN104019956B (en) | 2014-06-11 | 2014-06-11 | Wind-tunnel is demarcated in the environmental simulation of loop checking installation |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104280204B (en) * | 2014-09-28 | 2017-05-03 | 中车青岛四方机车车辆股份有限公司 | Wind tunnel |
| CN105627560B (en) * | 2015-12-28 | 2018-06-05 | 北京航天益森风洞工程技术有限公司 | High temperature continous way nitrogen heater |
| CN106441793B (en) * | 2016-11-14 | 2018-02-13 | 北京航空航天大学 | The adjusting method of gas flow temperature suitable for calibration wind tunnel |
| CN106840577A (en) * | 2017-04-07 | 2017-06-13 | 中国环境科学研究院 | Wind-tunnel is demarcated in a kind of environmental simulation |
| CN107462743B (en) * | 2017-08-08 | 2020-04-17 | 北京卫星环境工程研究所 | Wind speed calibration device and calibration method suitable for low air pressure |
| CN108061814A (en) * | 2018-01-11 | 2018-05-22 | 中南大学 | A kind of wind speed wind direction sensor field calibration system and method |
| CN109186925A (en) * | 2018-08-20 | 2019-01-11 | 中国飞机强度研究所 | Wind-tunnel and wind tunnel test system |
| CN108827590A (en) * | 2018-08-29 | 2018-11-16 | 中国环境科学研究院 | A kind of wind speed based on two-sided cavity, pressure, temperature calibration system |
| CN108709666A (en) * | 2018-08-29 | 2018-10-26 | 中国环境科学研究院 | A kind of wind speed based on jet stream wind-tunnel, pressure, temperature calibration system |
| CN109283211B (en) * | 2018-11-06 | 2021-10-15 | 合肥工业大学 | Multi-parameter coupling liquid drop evaporation experiment channel |
| CN111307394B (en) * | 2020-03-09 | 2021-08-24 | 西南交通大学 | Multistage power controllable backflow type wind tunnel |
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| CN104019956A (en) | 2014-09-03 |
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Granted publication date: 20170711 Termination date: 20200611 |