logo

SCIENTIA SINICA Physica, Mechanica & Astronomica, Volume 49 , Issue 9 : 099515(2019) https://doi.org/10.1360/SSPMA2018-00422

Preliminary study of regulation technology of wind field distribution on QTT site based on test of equivalent wind field

More info
  • ReceivedDec 31, 2018
  • AcceptedMar 4, 2019
  • PublishedJun 11, 2019
PACS numbers

Abstract


Funding

国家重点基础研究发展计划(2015CB857100)

陕西省自然科学基金(2018JZ5001)

天山创新团队计划(2018D14008)

国家自然科学基金(U1737211)

中国科学院西部之光计划(2017-XBQNXZ-B-024)


References

[1] Rahmat-Samii Y, Haupt R. Reflector antenna developments: A perspective on the past, present and future. IEEE Antennas Propag Mag, 2015, 5785-95 CrossRef ADS Google Scholar

[2] von Hoerner S. Design of large steerable antennas. Astron J, 1967, 7235 CrossRef ADS Google Scholar

[3] Greve A, Morris D. Repetitive radio reflector surface deformations. IEEE Trans Antennas Propagat, 2005, 532123-2126 CrossRef ADS Google Scholar

[4] Greve A, Karcher H J. Performance improvement of a flexible telescope through metrology and active control. Proc IEEE, 2009, 971412-1420 CrossRef ADS Google Scholar

[5] Duan B Y, Wang C S. Reflector antenna distortion analysis using MEFCM. IEEE Trans Antennas Propagat, 2009, 573409-3413 CrossRef ADS Google Scholar

[6] Wang C S, Duan B Y, Qiu Y Y. On distorted surface analysis and multidisciplinary structural optimization of large reflector antennas. Struct Multidisc Optim, 2007, 33519-528 CrossRef Google Scholar

[7] Gawronski W. Control and pointing challenges of large antennas and telescopes. IEEE Trans Contr Syst Technol, 2007, 15276-289 CrossRef Google Scholar

[8] Wang C S, Xiao L, Xiang B B, et al. Development of active surface technology of large radio telescope antennas (in Chinese). Sci Sin-Phys Meth Astron, 2017, 47: 059503 [王从思, 肖岚, 项斌斌, 等. 大型射电望远镜天线主动面补偿研究进展. 中国科学: 物理学 力学 天文学, 2017, 47: 059503]. Google Scholar

[9] Gawronski W. Modeling wind-gust disturbances for the analysis of antenna pointing accuracy. IEEE Antennas Propagat Magazine 2004, 46: 50–58. Google Scholar

[10] Ukita N, Ezawa H, Ikenoue B, et al. Thermal and wind effects on the azimuth axis tilt of the ASTE 10-m antenna. Nobeyama Radio Observatory, 2007, 10: 25–33. Google Scholar

[11] Wang C S, Wang N, Lian P Y, et al. Thermal Deformation Compensation Technology For High Frequency Large Reflector Antenna (in Chinese). Beijing: Science Press, 2018 [王从思, 王娜, 连培园, 等. 高频段大型反射面天线热变形补偿技术. 北京: 科学出版社, 2018]. Google Scholar

[12] Zhang J, Huang J, Zhou J, et al. A compensator for large antennas based on pointing error estimation under a wind load. IEEE Trans Contr Syst Technol, 2017, 251912-1920 CrossRef Google Scholar

[13] Zhang J, Huang J, Wang S, et al. An active pointing compensator for large beam waveguide antenna under wind disturbance. IEEE/ASME Trans Mech, 2016, 21860-871 CrossRef Google Scholar

[14] Wang C S, Xiao L, Wang W, et al. An adjustment method for active reflector of large high-frequency antennas considering gain and boresight. Res Astron Astrophys, 2017, 17043 CrossRef ADS Google Scholar

[15] Haddadi A, Ghorbani A. Distorted reflector antennas: Analysis of radiation pattern and polarization performance. IEEE Trans Antennas Propagat, 2016, 644159-4167 CrossRef ADS Google Scholar

[16] Parker D H, Payne J M, Shelton J W, et al. Weadon, instrument for setting radio telescope surfaces. In: Proceedings of ASPE 2000 Annual Meeting. Green Bank, 2000. 21–24. Google Scholar

  • Figure 1

    (Color online) The site for QiTai Telescope.

  • Figure 2

    The regulation scheme for wind distribution.

  • Figure 3

    (Color online) The experimental facility for miniature model of antenna.

  • Figure 4

    (Color online) The wind channel and test hole.

  • Figure 5

    (Color online) Regulation plane with different holes and diversion slots.

  • Figure 6

    (Color online) The polygonal line map for wind speed distribution. (a) Height 1 line 3; (b) height 1 line 4; (c) height 1 line 5; (d) height 2 line 3; (e) height 2 line 4; (f) height 2 line 5; (g) height 3 line 3; (h) height 3 line 4; (i) height 3 line 5.

  • Figure 7

    (Color online) The wind speed distribution nephogram in side view. (a) Environmental wind field line 5; (b) case 1 line 5; (c) case 2 line 5; (d) environmental wind field line 4; (e) case 1 line 4; (f) case 2 line 4; (g) environmental wind field line 3; (h) case 1 line 3; (i) case 2 line 3.

  • Table 1   AR866 main performance parameter table

    技术指标

    AR866

    风速测量范围

    0–30 m/s

    风速测量误差

    ±1%

    风温测量范围

    0–45°C

    温度误差

    ±1°C

    风速分辨率

    0.01 m/s

    USB外接电脑功能

  • Table 2   Experimental data processing method table

    技术指标

    属性1

    属性2

    折线图

    不同工况

    同一高度

    侧剖云图

    同一工况

    不同高度

qqqq

Contact and support