Wind and Structures

  • 제28권3호
  • /
  • Pages.155-170
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  • 2019
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  • 1226-6116(pISSN)
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  • 1598-6225(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Transiting test method for galloping of iced conductor using wind generated by a moving vehicle

  • Guo, Pan (School of Civil Engineering, Zhengzhou University) ;
  • Wang, Dongwei (School of Civil Engineering, Zhengzhou University) ;
  • Li, Shengli (School of Civil Engineering, Zhengzhou University) ;
  • Liu, Lulu (School of Civil Engineering, Zhengzhou University) ;
  • Wang, Xidong (School of Civil Engineering, Zhengzhou University)
  • 투고 : 2017.11.14
  • 심사 : 2019.01.13
  • 발행 : 2019.03.25
⟨ 이전 논문 다음 논문 ⟩

초록

This paper presents a novel test method for the galloping of iced conductor using wind generated by a moving vehicle which can produce relative wind field. The theoretical formula of transiting test is developed based on theoretical derivation and field test. The test devices of transiting test method for aerodynamic coefficient and galloping of an iced conductor are designed and assembled, respectively. The test method is then used to measure the aerodynamic coefficient and galloping of iced conductor which has been performed in the relevant literatures. Experimental results reveal that the theoretical formula of transiting test method for aerodynamic coefficient of iced conductor is accurate. Moreover, the driving wind speed measured by Pitot tube pressure sensors, as well as the lift and drag forces measured by dynamometer in the transiting test are stable and accurate. Vehicle vibration slightly influences the aerodynamic coefficients of the transiting test during driving in ideal conditions. Results of transiting test show that the tendencies of the aerodynamic coefficient curve are generally consistent with those of the wind tunnel tests in related studies. Meanwhile, the galloping is fairly consistent with that obtained through the wind tunnel test in the related literature. These studies validate the feasibility and effectiveness of the transiting test method. The present study on the transiting test method provides a novel testing method for research on the wind-resistance of iced conductor.

키워드

과제정보

연구 과제 주관 기관 : National Natural Science Foundation of China, Natural Science Foundation of Henan Province of China, Zhengzhou University

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피인용 문헌

  1. Effect of Natural Wind on the Transiting Test for Measuring the Aerodynamic Coefficients of Structures vol.13, pp.8, 2019, https://doi.org/10.3390/sym13081493
  2. Full Scale Experiment for Vibration Analysis of Ice-Coated Bundled-Conductor Transmission Lines vol.26, pp.1, 2022, https://doi.org/10.1007/s12205-021-0814-2