RESEARCH ON THREE-DIMENSIONAL WAKE MODEL OF FLOATING OFFSHORE WIND TURBINE

Zhang Ping; Li Chengcheng; Han Ye; Xie Pengfei; Tan Yuhang; Liu Xin

doi:10.19912/j.0254-0096.tynxb.2023-1307

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Acta Energiae Solaris Sinica ›› 2024, Vol. 45 ›› Issue (7) : 612-617. DOI: 10.19912/j.0254-0096.tynxb.2023-1307

RESEARCH ON THREE-DIMENSIONAL WAKE MODEL OF FLOATING OFFSHORE WIND TURBINE

Zhang Ping¹, Li Chengcheng², Han Ye³, Xie Pengfei³, Tan Yuhang³, Liu Xin³

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Abstract

With consideration of the special mooring system of floating offshore wind turbine and the deep-sea environment in which the grounding system is situated, taking into account both the effect of surge motion on incoming wind velocity and turbulence intensity, an three-dimensional wake model（3Dksg_BP） is proposed on the basis of the two-dimensional BP engineering wake model in this paper, which is used to predict the transverse and vertical wind velocity profiles in the full wake region. The obtained results are compared with the measured data of the wind tunnel experiment, and it was found that the prediction accuracy of the downstream locations of 1.7D, 2.3D, 5.0D and 10.0D was not less than 97.6%. Based on 3Dksg_BP, the effects of the surge motion on the wake at different frequencies and amplitudes are studied. The results show that the effects of the surge motion on the wake increase with the increase of frequency and amplitude, and the effects of the surge motion on the wake decrease with the increase of downstream distance.

Key words

wind turbines / offshore wind power / wakes / analytical models / floating wind turbine / platform motion

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Zhang Ping, Li Chengcheng, Han Ye, Xie Pengfei, Tan Yuhang, Liu Xin. RESEARCH ON THREE-DIMENSIONAL WAKE MODEL OF FLOATING OFFSHORE WIND TURBINE[J]. Acta Energiae Solaris Sinica. 2024, 45(7): 612-617 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1307

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