Elucidation of aerodynamic characteristics due to ice accretion on multi-mw wind turbine blade

IF 1.5 4区工程技术 Q3 ENGINEERING, MECHANICAL Journal of Mechanical Science and Technology Pub Date : 2024-08-03 DOI:10.1007/s12206-024-2111-8

Won-Seok Ryoo, Seong-Chul Park, Sang-Hwan Kim, Jae-Ho Jeong

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Abstract

Wind turbines installed in regions with high altitudes and low temperatures on winter season, ice can accumulate on the blade surfaces during operating condition. A small amount of ice accretion on the blade surface can result in several crucial issues, such as AEP (annual energy production) reduction due to degrade aerodynamic performance, and safety concerns related to ice falling down. Predicting and elucidating icing accretion phenomena under various weather conditions are significantly essential in the aspect of operating and maintenance. The primary objective of this study was to assess the impact of ice accretion on the aerodynamic characteristics of wind turbine blades CFD (computational fluid dynamics) analysis, including ice thickness and shape, under varying weather conditions. Therefore, this study focused on identifying the aerodynamic characteristics affected by ice accretion, including ice thickness and shape under various weather conditions through Fensap. Through this methodology, the presence of ice accumulation on the blade surfaces was investigated, and its adverse impact on aerodynamic performance has been assessed.

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阐明多兆瓦风力涡轮机叶片积冰导致的空气动力特性

安装在高海拔和冬季低温地区的风力涡轮机在运行状态下会在叶片表面积冰。叶片表面的少量积冰可能会导致几个关键问题，如由于空气动力性能下降导致的 AEP（年发电量）减少，以及与冰块掉落有关的安全问题。预测和阐明各种天气条件下的结冰现象对运行和维护至关重要。本研究的主要目的是评估在不同天气条件下，结冰对风力涡轮机叶片 CFD（计算流体动力学）分析气动特性的影响，包括冰的厚度和形状。因此，本研究重点是通过 Fensap 确定在不同天气条件下受积冰影响的空气动力特性，包括冰的厚度和形状。通过这种方法，研究了叶片表面是否存在积冰，并评估了积冰对气动性能的不利影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Mechanical Science and Technology 工程技术-工程：机械

CiteScore

2.90

自引率

6.20%

发文量

517

审稿时长

7.7 months

期刊介绍： The aim of the Journal of Mechanical Science and Technology is to provide an international forum for the publication and dissemination of original work that contributes to the understanding of the main and related disciplines of mechanical engineering, either empirical or theoretical. The Journal covers the whole spectrum of mechanical engineering, which includes, but is not limited to, Materials and Design Engineering, Production Engineering and Fusion Technology, Dynamics, Vibration and Control, Thermal Engineering and Fluids Engineering. Manuscripts may fall into several categories including full articles, solicited reviews or commentary, and unsolicited reviews or commentary related to the core of mechanical engineering.