基于FENSAP-ICE多排穿孔风力机叶片结冰特性研究

IF 6.4 2区工程技术 Q1 THERMODYNAMICS

Case Studies in Thermal Engineering Pub Date : 2025-05-07 DOI:10.1016/j.csite.2025.106299

Jing-mei Yu , Ya-chao Shi , Yao-hong Liu , Chun-long Bai

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引用次数: 0

摘要

在寒冷地区，水平轴风力机叶片结冰会显著改变其输出功率和气动性能。为解决这一问题，采用气膜加热法进行防冰。NACA63(2)-215翼型被选为研究的主题。利用FLUENT和FENSAP-ICE软件对前缘有膜孔的改进翼型和原翼型进行了结霜过程的数值模拟。分析了两种翼型在不同入流风速和液态水含量条件下的成冰特性。研究表明，孔翼型显示有效的反/除冰性能相比，原来的翼型跨越各种攻角，虽然冰抑制的位置随着角度的增加而变化。在低液态水含量，冰积累在喷气诱导气膜明显减少与原来的翼型。综上所示，当结冰时间小于3 h，液态水含量小于0.25 g/m3时，气膜加热可以有效减少前缘结冰。

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Based on the study of icing characteristics of FENSAP-ICE multi-row perforated wind turbine blades

The icing of horizontal-axis wind turbine blades in cold regions significantly alters their power output and aerodynamic performance. To address this issue, an air film heating method was implemented for anti-icing. The NACA63 (2)-215 airfoil was chosen as the subject of study. Numerical simulations of frost formation were performed on both the modified airfoil with leading-edge film holes and the original airfoil, using FLUENT and FENSAP-ICE software. Ice formation characteristics were analyzed for both airfoils under varying inflow wind speeds and liquid water content. The study reveals that the holed airfoil demonstrates effective anti-/de-icing performance compared to the original airfoil across various angles of attack, although the location of ice suppression shifts with increasing angle. At low liquid water content, ice accumulation at the jet-induced air film is notably reduced compared to the original airfoil. Overall results indicate that air film heating can effectively reduce icing on the leading edge when the icing duration is under 3 h and liquid water content is below 0.25 g/m³.

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来源期刊

Case Studies in Thermal Engineering Chemical Engineering-Fluid Flow and Transfer Processes

CiteScore

8.60

自引率

11.80%

发文量

812

审稿时长

76 days

期刊介绍： Case Studies in Thermal Engineering provides a forum for the rapid publication of short, structured Case Studies in Thermal Engineering and related Short Communications. It provides an essential compendium of case studies for researchers and practitioners in the field of thermal engineering and others who are interested in aspects of thermal engineering cases that could affect other engineering processes. The journal not only publishes new and novel case studies, but also provides a forum for the publication of high quality descriptions of classic thermal engineering problems. The scope of the journal includes case studies of thermal engineering problems in components, devices and systems using existing experimental and numerical techniques in the areas of mechanical, aerospace, chemical, medical, thermal management for electronics, heat exchangers, regeneration, solar thermal energy, thermal storage, building energy conservation, and power generation. Case studies of thermal problems in other areas will also be considered.