Use of an optical profilometer to measure the aerodynamic shape and the twist of a wind turbine blade

IF 1.9 4区工程技术 Q4 ENERGY & FUELS

Journal of Renewable and Sustainable Energy Pub Date : 2024-01-01 DOI:10.1063/5.0176454

E. Torres-Moreno, V. Moreno-Oliva, M. Campos-García, J. R. Dorrego-Portela, Orlando Lastres-Danguillecourt, N. Farrera-Vázquez

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引用次数: 0

Abstract

This study introduces a metrological approach to measure the aerodynamic shape and the twist of a wind turbine blade. The optical profilometer measurement technique used is laser triangulation. A camera records the image of a line projected onto a section of the blade and, by reconstructing the airfoil shape, the twist angular position of the profile with respect to the axial line of the blade is determined. This methodology is applied to test different sections of a Wortmann FX 63-137 airfoil with a length of 1700 mm. The results of the aerodynamic shape and twist angle are quantitatively verified by comparing them with the ideal or design values. The reconstruction process achieved a resolution of 0.06 mm, and measurement errors in the twist angular position were less than 0.1°. The presented method is efficient, accurate, and low cost to evaluate the blade profiles of low-power wind turbines. However, due to its easy implementation, it is expected to be able to measure any full-scale wind blade profile up to several meters in length.

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使用光学轮廓仪测量风力涡轮机叶片的气动形状和扭曲度

本研究介绍了一种测量风力涡轮机叶片气动形状和扭曲度的计量方法。采用的光学轮廓仪测量技术是激光三角测量法。相机记录投射到叶片截面上的线条图像，通过重建翼面形状，确定轮廓相对于叶片轴线的扭曲角度位置。这种方法适用于测试长度为 1700 毫米的 Wortmann FX 63-137 机翼的不同部分。通过与理想值或设计值进行比较，对气动外形和扭转角的结果进行了定量验证。重建过程的分辨率达到了 0.06 毫米，扭转角位置的测量误差小于 0.1°。所提出的方法高效、准确、低成本，可用于评估小功率风力涡轮机的叶片轮廓。不过，由于该方法易于实施，预计可用于测量长度达数米的任何全尺寸风力叶片剖面。

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 Renewable and Sustainable Energy ENERGY & FUELS-ENERGY & FUELS

CiteScore

4.30

自引率

12.00%

发文量

122

审稿时长

4.2 months

期刊介绍： The Journal of Renewable and Sustainable Energy (JRSE) is an interdisciplinary, peer-reviewed journal covering all areas of renewable and sustainable energy relevant to the physical science and engineering communities. The interdisciplinary approach of the publication ensures that the editors draw from researchers worldwide in a diverse range of fields. Topics covered include: Renewable energy economics and policy Renewable energy resource assessment Solar energy: photovoltaics, solar thermal energy, solar energy for fuels Wind energy: wind farms, rotors and blades, on- and offshore wind conditions, aerodynamics, fluid dynamics Bioenergy: biofuels, biomass conversion, artificial photosynthesis Distributed energy generation: rooftop PV, distributed fuel cells, distributed wind, micro-hydrogen power generation Power distribution & systems modeling: power electronics and controls, smart grid Energy efficient buildings: smart windows, PV, wind, power management Energy conversion: flexoelectric, piezoelectric, thermoelectric, other technologies Energy storage: batteries, supercapacitors, hydrogen storage, other fuels Fuel cells: proton exchange membrane cells, solid oxide cells, hybrid fuel cells, other Marine and hydroelectric energy: dams, tides, waves, other Transportation: alternative vehicle technologies, plug-in technologies, other Geothermal energy