CN104019956A - Environmental simulation calibration wind tunnel of annular loop - Google Patents
Environmental simulation calibration wind tunnel of annular loop Download PDFInfo
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- CN104019956A CN104019956A CN201410258046.3A CN201410258046A CN104019956A CN 104019956 A CN104019956 A CN 104019956A CN 201410258046 A CN201410258046 A CN 201410258046A CN 104019956 A CN104019956 A CN 104019956A
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Abstract
The invention relates to an environmental simulation calibration wind tunnel of an annular loop. The environmental simulation calibration wind tunnel of the annular loop is formed by a connection section, a power section, a refrigeration section, a heating section, a vacuum control section, a large cornering section, a rectification section, a contraction section, a replaceable test section, a diffusion section and a small cornering section which are sequentially connected. A draught fan is arranged or connected inside the power section, an evaporator or a heater is arranged inside the refrigeration section or the heating section, and a vacuum control system is arranged outside the vacuum control section. The outer wall of the contraction section is connected between the rectification section and the replaceable test section, the contraction ratio of the rectification section to the replaceable test section is 5-8 to 1, and the external diameters of the replaceable test section are the same in the length direction. The external diameter of the end, close to the replaceable test section, of the diffusion section is smaller than the external diameter of the end, close to the small cornering section, of the diffusion section. The environmental simulation calibration wind tunnel of the annular loop can be calibrated under the condition that the operating temperature, pressure and wind speed of an atmosphere device are simulated and detected.
Description
Technical field
Wind-tunnel is demarcated in the environmental simulation that the present invention relates to a kind of wind-tunnel, particularly a kind of loop checking installation, and it is for demarcating the device that detects atmosphere and particle under different pressures wind speed temperature environment.
Background technology
At present, conventionally demarcate with pitot tube the parameter such as stagnation pressure, static pressure that detects large device of air, and the demarcation that detects at present large device of air is demarcated under normal temperature, normal pressure and wind speed, there is larger gap with the operating conditions that reality detects large device of air in this meeting, therefore needs especially the device of the large device of air actual operating condition of a kind of analog detection.
Summary of the invention
The application's goal of the invention is to overcome the existing shortcoming that can not demarcate under the operating environment of the large device of air of detection, and provides a kind of environmental simulation of loop checking installation to demarcate wind-tunnel.
In order to complete the application's goal of the invention, the application by the following technical solutions:
Wind-tunnel is demarcated in the environmental simulation of a kind of loop checking installation of the present invention, it is by linkage section, power section, refrigerating section, bringing-up section, vacuum control section, large turnaround section, rectification section, contraction section, replaceable test section, diffuser and little turnaround section connect to form successively the environmental simulation of loop checking installation and demarcate wind-tunnel, wherein: in power section, be equipped with or be connected to internal fan or the external blower fan of blade built-in motor, evaporator or well heater are housed in refrigerating section or bringing-up section, in vacuum control section, vacuum-control(led) system is housed outward, the outer wall of contraction section is connected to rectification section between replaceable test section, the shrinkage ratio of rectification section and replaceable test section is 4-8:1, replaceable test section external diameter is identical, diffuser is identical with replaceable test section linkage section external diameter, diffuser (15) external diameter diffuses into the external diameter of little turnaround section link gradually to be less than 10 ° of gradients,
Wind-tunnel is demarcated in the environmental simulation of a kind of loop checking installation of the present invention, wherein: the gradient of described contraction section is 4:1 to 8:1;
Wind-tunnel is demarcated in the environmental simulation of a kind of loop checking installation of the present invention, wherein: the gradient of described diffuser is 7 °-10 °;
Wind-tunnel is demarcated in the environmental simulation of a kind of loop checking installation of the present invention, wherein: in described refrigerating section, evaporator is housed, at the in-built having heaters of bringing-up section;
Wind-tunnel is demarcated in the environmental simulation of a kind of loop checking installation of the present invention, wherein: at the in-built having heaters of described refrigerating section, evaporator is housed in bringing-up section;
Wind-tunnel is demarcated in the environmental simulation of a kind of loop checking installation of the present invention, wherein: the first filtrator and the second filtrator are equipped with respectively in the end in the power section that blower fan is housed;
Wind-tunnel is demarcated in the environmental simulation of a kind of loop checking installation of the present invention, wherein: the 3rd filtrator is housed in described rectification section;
Wind-tunnel is demarcated in the environmental simulation of a kind of loop checking installation of the present invention, wherein: the 3rd described filtrator is contained in the rectification section end near large turnaround section; Or the 3rd filtrator is contained in the rectification section end near contraction section, in two corners of large turnaround section and little turnaround section, one group of flow deflector is housed respectively;
Wind-tunnel is demarcated in the environmental simulation of a kind of loop checking installation of the present invention, wherein: on described replaceable test section, have and demarcate thing entrance;
Wind-tunnel is demarcated in the environmental simulation of a kind of loop checking installation of the present invention, wherein: between described linkage section, power section, refrigerating section, bringing-up section, vacuum control section, large turnaround section, rectification section, contraction section, replaceable test section, diffuser and little turnaround section, interconnect by flange.
The environmental simulation demarcation wind-tunnel of loop checking installation of the present invention can be demarcated it under the operating temperature of the large device of air of analog detection, pressure and wind speed, this meeting is close with the operating conditions that reality detects large device of air, can demarcate detecting large device of air exactly.
Brief description of the drawings
Fig. 1 is that bowing to schematic diagram of wind-tunnel demarcated in the environmental simulation of loop checking installation of the present invention.
In Fig. 1, label 1 is linkage section; Label 2 is the first filtrator; Label 3 is power section; Label 4 is blower fan; Label 5 is refrigerating section; Label 6 is evaporator; Label 7 is bringing-up section; Label 8 is well heater; Label 9 is vacuum control section; Label 10 is large turnaround section; Label 11 is the 3rd filtrator; Label 12 is rectification section; Label 13 is contraction section; Label 14 is replaceable test section; Label 15 is diffuser; Label 16 is little turnaround section; Label 17 is the second filtrator; Label 18 is for demarcating thing entrance; Label 19 is vacuum-control(led) system, and label 20 is flow deflector.
Embodiment
As shown in Figure 1, the environmental simulation of a kind of loop checking installation of the present invention is demarcated wind-tunnel by linkage section 1, power section 3, refrigerating section 5, bringing-up section 7, vacuum control section 9, large turnaround section 10, rectification section 12, contraction section 13, replaceable test section 14, diffuser 15 and little turnaround section 16 connect to form successively the environmental simulation of loop checking installation and demarcate wind-tunnel, linkage section 1, power section 3, refrigerating section 5, bringing-up section 7, vacuum control section 9, large turnaround section 10, rectification section 12, contraction section 13, replaceable test section 14, between diffuser 15 and little turnaround section 16, interconnect by flange.
In power section 3, be equipped with or be connected to the external blower fan 4 of internal fan or blade built-in motor, evaporator 6 is housed in refrigerating section 5, at the in-built having heaters 8 of bringing-up section 7.Or at the in-built having heaters 8 of described refrigerating section 5, evaporator 6 (not drawing) is housed in bringing-up section 7 in Fig. 1.
Vacuum-control(led) system 19 is housed outside vacuum control section 9, the outer wall of contraction section 13 is connected to rectification section 12 between replaceable test section 14, rectification section 12 is 4-8:1 with the shrinkage ratio of replaceable test section 14, the gradient of contraction section 13 is 4:1 to 8:1, replaceable test section 14 external diameters are identical, diffuser 15 is identical with replaceable test section 14 linkage section external diameters, and diffuser 15 external diameters diffuse into the external diameter of little turnaround section 16 links gradually to be less than 10 ° of gradients.The for example gradient of diffuser 15 is 7 °-10 °, in 4 corners of large turnaround section 10 and little turnaround section 16, one group of flow deflector 20 is housed respectively.
The first filtrator 2 and the second filtrator 17 are equipped with respectively in end in the power section 3 that blower fan is housed.The 3rd filtrator 11, the three filtrators 11 are housed in rectification section 12 and are contained in rectification section 12 ends near large turnaround section 10; Or the 3rd filtrator 11 is contained in rectification section 12 ends near contraction section 13.
On replaceable test section 14, have and demarcate thing entrance 18, detecting large device of air packs loop checking installation into environmental simulation by demarcating thing entrance 18 demarcates in wind-tunnel and demarcates, in replaceable test section 14, need to change the test that particle is demarcated, penetrated kinetic head adjustings such as slope, particle senile experiment, particle etc. according to experiment.。
Between linkage section 1, power section 3, refrigerating section 5, bringing-up section 7, vacuum control section 9, large turnaround section 10, rectification section 12, contraction section 13, replaceable test section 14, diffuser 15 and little turnaround section 16, interconnect by flange.
More than describing is explanation of the invention, is not the restriction to invention, and limited range of the present invention is referring to claim, and without prejudice to spirit of the present invention in the situation that, the present invention can do any type of amendment.
Claims (10)
1. wind-tunnel is demarcated in the environmental simulation of a loop checking installation, it is by linkage section (1), power section (3), refrigerating section (5), bringing-up section (7), vacuum control section (9), large turnaround section (10), rectification section (12), contraction section (13), replaceable test section (14), diffuser (15) and little turnaround section (16) connect to form successively the environmental simulation of loop checking installation and demarcate wind-tunnel, it is characterized in that: the external blower fan (4) of internal fan or blade built-in motor is housed or is connected in power section (3), evaporator (6) or well heater (8) are housed in refrigerating section (5) or bringing-up section (7), vacuum-control(led) system (19) is housed outside vacuum control section (9), the outer wall of contraction section (13) is connected to rectification section (12) between replaceable test section (14), rectification section (12) is 4-8:1 with the shrinkage ratio of replaceable test section (14), replaceable test section (14) external diameter is identical, diffuser (15) is identical with replaceable test section (14) linkage section external diameter, diffuser (15) external diameter diffuses into the external diameter of little turnaround section (16) link gradually to be less than 10 ° of gradients.
2. wind-tunnel is demarcated in the environmental simulation of loop checking installation as claimed in claim 1, it is characterized in that: the gradient of described contraction section (13) 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 characterized in that: the gradient of described diffuser (15) is 7 °-10 °.
4. wind-tunnel is demarcated in the environmental simulation of loop checking installation as claimed in claim 3, it is characterized in that: evaporator (6) is housed in described refrigerating section (5), at the in-built having heaters of bringing-up section (7) (8).
5. wind-tunnel is demarcated in the environmental simulation of loop checking installation as claimed in claim 3, it is characterized in that: at the in-built having heaters of described refrigerating section (5) (8), evaporator (6) is housed in bringing-up section (7).
6. wind-tunnel is demarcated in the environmental simulation of the loop checking installation as described in claim 4 or 5, it is characterized in that: the first filtrator (2) and the second filtrator (17) are housed respectively in the end that the power section of blower fan (3) is housed.
7. wind-tunnel is demarcated in the environmental simulation of loop checking installation as claimed in claim 6, it is characterized in that: the 3rd filtrator (11) is housed in described rectification section (12).
8. wind-tunnel is demarcated in the environmental simulation of loop checking installation as claimed in claim 7, it is characterized in that: the 3rd described filtrator (11) is contained in rectification section (12) end near large turnaround section (10); Or the 3rd filtrator (11) is contained in rectification section (12) end near contraction section (13), in two corners of large turnaround section (10) and little turnaround section (16), one group of flow deflector (20) is housed respectively.
9. wind-tunnel is demarcated in the environmental simulation of loop checking installation as claimed in claim 7, it is characterized in that: on described replaceable test section (14), have and demarcate thing entrance (18).
10. wind-tunnel is demarcated in the environmental simulation of the loop checking installation as described in claim as arbitrary in claim 1-9, it is characterized in that: between described linkage section (1), power section (3), refrigerating section (5), bringing-up section (7), vacuum control section (9), large turnaround section (10), rectification section (12), contraction section (13), replaceable test section (14), diffuser (15) and little turnaround section (16), interconnect by flange.
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 |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410258046.3A CN104019956B (en) | 2014-06-11 | 2014-06-11 | Wind-tunnel is demarcated in the environmental simulation of loop checking installation |
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| CN104019956A true CN104019956A (en) | 2014-09-03 |
| CN104019956B CN104019956B (en) | 2017-07-11 |
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| 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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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104280204A (en) * | 2014-09-28 | 2015-01-14 | 南车青岛四方机车车辆股份有限公司 | Wind tunnel |
| CN105627560A (en) * | 2015-12-28 | 2016-06-01 | 北京航天益森风洞工程技术有限公司 | High-temperature continuous nitrogen heater |
| CN106441793A (en) * | 2016-11-14 | 2017-02-22 | 北京航空航天大学 | Adjusting method and apparatus of air-flow temperature in 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 |
| CN107462743A (en) * | 2017-08-08 | 2017-12-12 | 北京卫星环境工程研究所 | Suitable for the wind speed calibration apparatus and scaling method under low 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 |
| 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 |
| 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 |
| CN109186925A (en) * | 2018-08-20 | 2019-01-11 | 中国飞机强度研究所 | Wind-tunnel and wind tunnel test system |
| CN109283211A (en) * | 2018-11-06 | 2019-01-29 | 合肥工业大学 | A kind of Multi-parameter coupling drop evaporation experiment channel |
| CN111307394A (en) * | 2020-03-09 | 2020-06-19 | 西南交通大学 | Multistage power controllable backflow type wind tunnel |
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Cited By (16)
| 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 |
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| CN105627560A (en) * | 2015-12-28 | 2016-06-01 | 北京航天益森风洞工程技术有限公司 | High-temperature continuous nitrogen heater |
| 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 |
| CN106441793A (en) * | 2016-11-14 | 2017-02-22 | 北京航空航天大学 | Adjusting method and apparatus of air-flow temperature in 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 |
| CN107462743A (en) * | 2017-08-08 | 2017-12-12 | 北京卫星环境工程研究所 | Suitable for the wind speed calibration apparatus and scaling method under low pressure |
| 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 |
| 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 |
| 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 |
| CN109283211A (en) * | 2018-11-06 | 2019-01-29 | 合肥工业大学 | A kind of Multi-parameter coupling drop evaporation experiment channel |
| CN111307394A (en) * | 2020-03-09 | 2020-06-19 | 西南交通大学 | Multistage power controllable backflow type wind tunnel |
| 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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Granted publication date: 20170711 Termination date: 20200611 |