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在轮机叶片 (SOTB) 上的流量传感器现场测量的初步研究

Lung-Jieh Yang¹, Chandrashekhar Tasupalli¹, Wei-Cheng Wang¹

¹Department of Mechanical and Electromechanical Engineering, Tamkang University, New Taipei City 251301, Taiwan.

|July 27, 2024

概括

本研究介绍了用于风能研究的轮机叶片上的微电机系统 (MEMS) 流量传感器. 这些传感器揭示了高攻击角度和二次流量对轮机性能的影响.

科学领域:

可再生能源工程可再生能源工程
空气动力学航空动力学
微电机系统 (MEMS) 是指微电机系统.

背景情况:

研究风力轮机的不稳定流量对于性能优化至关重要.
测量旋转刀片流量的传统方法是有限的.
微电机系统 (MEMS) 为新型流量传感解决方案提供了潜力.

研究的目的:

开发和验证使用轮机叶片上的MEMS流量传感器 (SOTB) 来分析旋转风力轮机中不稳定的流量现象的框架.
将现场测量与计算流体动力学 (CFD) 模拟进行比较.
评估二次流量对传感器和轮性能的影响.

主要方法:

使用U18 CMOS技术制造的自热MEMS流量传感器的实施.
在1.2米直径的水平轴风力轮机 (HAWT) 叶片上安装1.5mm × 1.5mm的烯涂层传感器芯片. 在根,中间和尖端位置.
使用无线数据采集系统 (WDAQ) 采集数据.
将SOTB输出与CFD模拟进行比较.

主要成果:

通过SOTB测量的即时攻击角度 (AOA) 范围在46°至62°之间,明显超过15°的典型停机AOA.
无线数据采集系统成功捕获了流量数据.
计算流体动力学 (CFD) 模拟与SOTB测量相关.
现场测量表明,3D二次流量增加,特别是在叶片中间距离附近,对传感器和轮性能产生了负面影响.

结论:

轮机叶片上的MEMS流量传感器为不稳定的空气动力学条件提供了宝贵的见解.
二次流现象显著影响风力轮机效率和传感器读数.
开发的SOTB框架对于现场风力轮机流量分析是有效的.

关键词:

互补的金属氧化物半导体 (CMOS)水平轴风力轮机 (HAWT) 的使用在现场测量测量.轮叶片上的传感器 (SOTB)

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