한국전산유체공학회지 (Journal of computational fluids engineering)

한국전산유체공학회 (Korean Society of Computational Fluids Engineering)
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풍력 블레이드의 결빙에 의한 공력 영향성 전산 예측

COMPUTATIONAL PREDICTION OF ICING EFFECTS ON AERODYNAMIC CHARACTERISTICS OF A WIND TURBINE BLADE

  • 박지호 (경상대학교 항공우주특성화대학원) ;
  • 정기영 (경상대학교 항공우주특성화대학원) ;
  • 명노신 (경상대학교 항공우주시스템공학과 및 항공기부품기술연구소)
  • Park, J.H. (Specialized Graduate School of Aerospace Engineering, Gyeongsang Nat'l Univ.) ;
  • Jung, K.Y. (Specialized Graduate School of Aerospace Engineering, Gyeongsang Nat'l Univ.) ;
  • Myong, R.S. (Dept. of Aerospace and System Engineering & Research Center for Aircraft Parts Technology, Gyeongsang Nat'l Univ.)
  • 투고 : 2013.07.11
  • 심사 : 2013.08.09
  • 발행 : 2013.09.30
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초록

A significant change in aerodynamic characteristics of wind turbine blade can occur by ice formed on the surface of the blade operated in cold climate. The ice accretion can result in performance loss, overloading due to delayed stall, and excessive vibration associated with mass imbalance. In this study, the impact of ice accretion on the aerodynamic characteristics of NREL 5MW wind turbine blade sections is examined by a CFD-based method. It is shown that the thickness of ice accretion increases from the root to the tip and the effects of icing conditions such as relative wind velocity play a significant role in the shape of ice accretion. In addition, the computational results are used to assess the degradation in the lift and drag coefficients of the blade sections.

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참고문헌

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피인용 문헌

  1. Atmospheric Icing Effects on the Aerodynamic Characteristics and Performance of Wind Turbine Blade vol.42, pp.2, 2014, https://doi.org/10.5139/JKSAS.2014.42.2.134
  2. A Numerical Study on Icing Phenomenon of Wind Turbine Blade vol.20, pp.3, 2013, https://doi.org/10.17958/ksmt.20.3.201806.347
  3. 항공기 결빙 보호장치의 기술 현황 및 전망 vol.48, pp.11, 2013, https://doi.org/10.5139/jksas.2020.48.11.911