EXPERIMENTAL INVESTIGATION ONIMPACT OF ENVIRONMENTAL CLIMATE ON THERMAL RESPONSE TO INTERNAL CRACK DAMAGE IN WIND TURBINE BLADES

Wang Jian; Cong Riqiang; Zhang Yong; Bao Man

doi:10.19912/j.0254-0096.tynxb.2024-1720

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (5) : 662-667. DOI: 10.19912/j.0254-0096.tynxb.2024-1720

EXPERIMENTAL INVESTIGATION ONIMPACT OF ENVIRONMENTAL CLIMATE ON THERMAL RESPONSE TO INTERNAL CRACK DAMAGE IN WIND TURBINE BLADES

Wang Jian, Cong Riqiang, Zhang Yong, Bao Man

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Abstract

To address the internal crack damage of wind turbine blades, an experimental approach was employed to investigate the variation in thermal response under different ambient temperatures, irradiance levels, and wind speeds. The study aimed to determine the extent to which these environmental factors influence the thermal response. The results indicate that the thermal contrast between the cracked and undamaged regions evolves through tjrpigj three stages： from the initial phase of the experiment （0~40 s）with nonexistent or weak contrast, a mid-phase with rapid contrast increase, and a late phase with relatively stable contrast. Ambient temperature has no significant effect on the thermal contrast between the internal cracked region and the undamaged region, while irradiance has a highly significant effect and wind speed has a significant effect.

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wind turbine blades / internal damage / cracking / thermal response / environmental climate

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Wang Jian, Cong Riqiang, Zhang Yong, Bao Man. EXPERIMENTAL INVESTIGATION ONIMPACT OF ENVIRONMENTAL CLIMATE ON THERMAL RESPONSE TO INTERNAL CRACK DAMAGE IN WIND TURBINE BLADES[J]. Acta Energiae Solaris Sinica. 2025, 46(5): 662-667 https://doi.org/10.19912/j.0254-0096.tynxb.2024-1720

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