AN EXPERIMENTAL INVESTIGATION ON THE WAKE CHARACTERISTICS AND AEROMECHANICS OF DUAL-ROTOR WIND TURBINES

被引:0
作者
Tian, Ahmet Ozbay Wei [1 ]
Hu, Hui [1 ]
机构
[1] Iowa State Univ, Dept Aerosp Engn, 2271 Howe Hall,Room 1200, Ames, IA 50011 USA
来源
PROCEEDINGS OF THE ASME TURBO EXPO: TURBINE TECHNICAL CONFERENCE AND EXPOSITION, 2015, VOL 9 | 2015年
关键词
FLOW;
D O I
暂无
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
An experimental study was carried out to investigate the aeromechanics and wake characteristics of dual-rotor wind turbines (DRWTs) in either co-rotating or counter-rotating configuration, in comparison to those of a conventional single rotor wind turbine (SRWT). The experiments were performed in a large-scale Aerodynamic/Atmospheric Boundary Layer (AABL) wind tunnel available at Iowa State University with the oncoming Atmospheric Boundary Layer (ABL) airflows under neutral stability conditions. In addition to measuring the power output performance of DRWT and SRWT models, static and dynamic wind loads acting on those turbine models were also investigated. Furthermore, a high resolution digital particle image velocimetry (PIV) system was used to quantify the flow characteristics in the near wakes of the DRWT and SRWT models. The detailed wake flow measurements were correlated with the power outputs and wind load measurement results of the wind turbine models to elucidate the underlying physics to explore/optimize design of wind turbines for higher power yield and better durability.
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页数:17
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共 25 条
  • [1] Alfredsson P. H., 1982, Wind Engineering, V6, P149
  • [2] Appa K., 2002, COUNTER ROTATING WIN
  • [3] Betz A., 1919, THESIS GOTTINGEN NAC
  • [4] Reynolds number dependence of turbulence statistics in the wake of wind turbines
    Chamorro, Leonardo P.
    Arndt, R. E. A.
    Sotiropoulos, F.
    [J]. WIND ENERGY, 2012, 15 (05) : 733 - 742
  • [5] A Wind-Tunnel Investigation of Wind-Turbine Wakes: Boundary-Layer Turbulence Effects
    Chamorro, Leonardo P.
    Porte-Agel, Fernando
    [J]. BOUNDARY-LAYER METEOROLOGY, 2009, 132 (01) : 129 - 149
  • [6] Frere A., 2009, AERODYNAMIC EFFICIEN
  • [7] Habash R.W.Y., 2011, IEEE 6 INT WORKSH EL
  • [8] The impact of turbulence intensity and atmospheric stability on power deficits due to wind turbine wakes at Horns Rev wind farm
    Hansen, Kurt S.
    Barthelmie, Rebecca J.
    Jensen, Leo E.
    Sommer, Anders
    [J]. WIND ENERGY, 2012, 15 (01) : 183 - 196
  • [9] Dynamic wind loads and wake characteristics of a wind turbine model in an atmospheric boundary layer wind
    Hu, Hui
    Yang, Zifeng
    Sarkar, Partha
    [J]. EXPERIMENTS IN FLUIDS, 2012, 52 (05) : 1277 - 1294
  • [10] Jain P., 2007, Wind energy engineering