Optimizing efficiency and analyzing performance: Enhanced airfoil cross-sections for horizontal axis small wind turbines

IF 1.5 Q4 ENERGY & FUELS

Wind Engineering Pub Date : 2024-07-27 DOI:10.1177/0309524x241259946

M. M. Akheel, B. Sankar, K. Boopathi, D. Reddy Prasad, N. Prabhu Shankar, N. Rajkumar

引用次数: 0

Abstract

This study explores modifications to the blade airfoil cross-sections aimed at improving the efficiency of a 10 kW Bergey EXCEL horizontal axis small wind turbine. Specifically, the research focuses on altering the camber and thickness of the turbine’s baseline airfoil, designated as SG6043. Using advanced aerodynamic analysis tools like QBlade, the performance of the modified airfoils EY05-10 and EY08-9 is evaluated. The findings show that these modified airfoils achieve a higher lift-to-drag ratio compared to the baseline. These improved airfoils are then incorporated into the turbine’s blade geometry using the WT_Perf software. The enhanced turbine’s power generation capabilities are subsequently assessed with FAST (Fatigue, Aerodynamics, Structures, and Turbulence) version 8. Results reveal that at a wind speed of 15 m/s, the turbine with the modified blades produces 6.7% more power and 20.47% more annual energy than the original turbine.

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优化效率，分析性能：水平轴小型风力涡轮机的强化翼面截面

本研究探讨了对叶片机翼截面的修改，旨在提高 10 kW Bergey EXCEL 水平轴小型风力涡轮机的效率。具体来说，研究重点是改变涡轮机基准翼面（代号为 SG6043）的外倾角和厚度。利用 QBlade 等先进的空气动力学分析工具，对修改后的翼面 EY05-10 和 EY08-9 的性能进行了评估。结果表明，与基准机翼相比，这些改进机翼的升阻比更高。然后，使用 WT_Perf 软件将这些改进后的翼面纳入涡轮机的叶片几何形状中。随后，使用 FAST（疲劳、空气动力学、结构和湍流）第 8 版对增强型涡轮机的发电能力进行了评估。结果表明，在风速为 15 米/秒的情况下，使用改进叶片的涡轮机比原来的涡轮机多发电 6.7%，年发电量多 20.47%。

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

Wind Engineering ENERGY & FUELS-

CiteScore

4.00

自引率

13.30%

发文量

期刊介绍： Having been in continuous publication since 1977, Wind Engineering is the oldest and most authoritative English language journal devoted entirely to the technology of wind energy. Under the direction of a distinguished editor and editorial board, Wind Engineering appears bimonthly with fully refereed contributions from active figures in the field, book notices, and summaries of the more interesting papers from other sources. Papers are published in Wind Engineering on: the aerodynamics of rotors and blades; machine subsystems and components; design; test programmes; power generation and transmission; measuring and recording techniques; installations and applications; and economic, environmental and legal aspects.