EFFECTS OF PENINSULA MOUNTAINOUS TERRAIN ON WIND FARM WAKE DYNAMICS

Dong Yanbin; Li Deshun; Li Rennian; Yang Yi; Liu Shi

doi:10.19912/j.0254-0096.tynxb.2024-1949

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Acta Energiae Solaris Sinica ›› 2026, Vol. 47 ›› Issue (3) : 299-307. DOI: 10.19912/j.0254-0096.tynxb.2024-1949

EFFECTS OF PENINSULA MOUNTAINOUS TERRAIN ON WIND FARM WAKE DYNAMICS

Dong Yanbin¹, Li Deshun^1-2, Li Rennian^1-2, Yang Yi^3,4, Liu Shi^3,4

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Abstract

This study investigates the impact of mountainous terrain on wind farm wake effects in a coastal peninsula of southeast China using a mesoscale weather forecast model coupled with a wind farm parameterization scheme. The results show that the peninsula's topography significantly modulates the spatiotemporal characteristics of atmospheric motion. Under low sea-surface wind speeds, atmospheric transport in the mountainous wake region is predominantly horizontal with limited vertical diffusion. This leads to wind acceleration near the sea surface （below 150 m） but a pronounced speed reduction between 150-350 m above sea level. Under these conditions, the wind farm wake deficit remains concentrated around the rotor area, extending horizontally downstream with minimal influence on the near-surface layer （0-150 m）. As wind speed increases, enhanced vertical transport and diffusion raise wind speeds in the 150-350 m altitude range and expand the vertical extent of the wake, which can reach up to 300 m above the sea surface.

Key words

wind farms / peninsula / mountainous terrain / wind farm parameterization / wind farm wake / mesoscale model

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Dong Yanbin, Li Deshun, Li Rennian, Yang Yi, Liu Shi. EFFECTS OF PENINSULA MOUNTAINOUS TERRAIN ON WIND FARM WAKE DYNAMICS[J]. Acta Energiae Solaris Sinica. 2026, 47(3): 299-307 https://doi.org/10.19912/j.0254-0096.tynxb.2024-1949

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