ICING SIMULATION OF AIRFOIL OF NREL 5 MW WIND TURBINE BLADE

Du Jingyu; Hu Liangquan; Ren Xin; Shen Xin

doi:10.19912/j.0254-0096.tynxb.2022-1392

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Acta Energiae Solaris Sinica ›› 2023, Vol. 44 ›› Issue (12) : 298-305. DOI: 10.19912/j.0254-0096.tynxb.2022-1392

ICING SIMULATION OF AIRFOIL OF NREL 5 MW WIND TURBINE BLADE

Du Jingyu¹, Hu Liangquan², Ren Xin¹, Shen Xin²

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Abstract

In this paper, the Euler method water droplet collection coefficient model and the airfoil icing model are established, and the NACA0012 airfoil icing calculation example is used to verify the effectiveness of the model. The numerical simulation of NREL 5 MW wind turbine blade outer airfoil icing （NACA64618） is carried out. The effects of wind speed, liquid water content and droplet diameter on the icing of the airfoil are studied. The numerical simulation results show that with the increase of the angle of attack, the icing area of NACA64618 airfoil moves towards the pressure surface, and the icing thickness increases （the maximum increase is about 167%）. The increase of wind speed, liquid water content and droplet diameter can all aggravate the icing of NACA64618 airfoil, and increase the icing area, icing amount and icing thickness.

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wind turbines / blades / airfoil / freezing / numerical simulation / water droplets impingement characteristics

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Du Jingyu, Hu Liangquan, Ren Xin, Shen Xin. ICING SIMULATION OF AIRFOIL OF NREL 5 MW WIND TURBINE BLADE[J]. Acta Energiae Solaris Sinica. 2023, 44(12): 298-305 https://doi.org/10.19912/j.0254-0096.tynxb.2022-1392

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