様々な乱流強度での風車後流及び下流側風車の出力に関する風洞実験

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タイトル別名
  • Experimental Study on Wind Turbine Wake and Rotor Output in Wake with Various Turbulence Intensity
  • サマザマ ナ ランリュウ キョウド デ ノ カザグルマ コウリュウ オヨビ カリュウガワ カザグルマ ノ シュツリョク ニ カンスル フウドウ ジッケン

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In recent years, there has been a rapid development of wind farm. It is important to investigate the wind turbine arrangement in wind farm, especially with a high turbulence intensity found in the complex terrain. Therefore, by varying turbulence intensity with active turbulence grid, a wind tunnel experiment with two model wind turbines was carried out. The velocity distribution of rotor wake and power output and blade flapping moment of wind turbine in the rotor wake are measured. These measurements show that as increase of turbulence intensity of the inflow the velocity in the rotor wake recovers rapidly and power output of the turbine in rotor wake recovers. Furthermore, the blade flapping moment of the rotor in wake becomes smaller as increase of turbulence intensity. Higher turbulence encourages the admixture of rotor wake and free flow and it weakens the velocity gradient at the edge of rotor.

収録刊行物

  • ターボ機械

    ターボ機械 40 (2), 97-103, 2012

    一般社団法人 ターボ機械協会

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