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空载反旋转VAWTs的概念设计用于屋顶风能能源
Jayakrishnan Radhakrishnan1, Surya Sridhar2, Mohammed Zuber1
1Department of Aeronautical and Automobile Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, 576104, India.
Scientific reports
|February 26, 2025
概括
这项研究增强了带有管道空载系统的反旋转垂直轴风力轮机 (CR-VAWTs). 新型风采集装置 (WGD) 显著提高了屋顶应用的功率输出和效率.
科学领域:
- 可再生能源工程可再生能源工程
- 空气动力学 在空气动力学.
- 轮机的机械设备
背景情况:
- 垂直轴风力轮机 (VAWT) 由于其全方位能力,为城市和屋顶应用提供了优势.
- 同旋转和反旋转的配置可以通过协同相互作用来增强发电.
- 现有的VAWT设计面临着在狭窄空间中最大限度地提高效率和性能方面的挑战.
研究的目的:
- 为了提高反旋转VAWT (CR-VAWT) 的效率和功率,使用一种新的管道空载配置.
- 为优化风采集装置 (WGD) 与CR-VAWT系统集成.
- 评估拟议的屋顶能源发电系统的性能改进和潜在好处.
主要方法:
- 使用塔古奇方法优化风采集装置 (WGD).
- 使用力-重量方法,设计一个平面球形气压机,用于升高CR-VAWT.
- 计算流体动力学 (CFD) 分析以评估空气动力学性能和流动特性.
主要成果:
- 集成WGD导致输出功率增加32%,动态停机时瞬时扭矩增加40%.
- 通过改善流量重定向,WGD在10°斜角下显示出58%的功率增益.
- 通过WGD抑制叶片尖的流,表明降低噪声的潜力.
结论:
- 管道式空载CR-VAWT系统与优化的WGD显著提高了能源生产效率.
- 便携式和可扩展的设计适用于空间有限的屋顶应用,减少所需的轮机数量.
- 这项技术通过与其他可再生能源的整合来促进可持续性,并为未来的空中VAWT研究提供了一条途径.
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