基于座头鲸叶片的新型双转子风力机设计:仿真分析

IF 3.4 3区 工程技术 Q3 ENERGY & FUELS
Mais Alzgool, Mohammad Hassan, Raed Alzoubi
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引用次数: 0

摘要

为了提高风力发电机的性能,本研究探讨了两种风能收集系统的集成。采用双转子风力涡轮机(DRWT)技术和一种被称为座头鲸叶片的新型叶片设计,确定了一种最佳的风力涡轮机配置,该叶片的灵感来自座头鲸的鳍。这种设计的特点是沿前缘的结节和脊,延伸到叶片长度的最后三分之一。与传统叶片相比,创新的座头式叶片设计降低了标称迎角,从而显著提高了升力,显著降低了阻力。这种升阻比的增强使得在较低风速下更有效地旋转。此外,装有这些叶片的单转子涡轮显示出改善的能量提取和减少转子后的湍流强度,使它们在DRWT设置中特别有效。实验结果验证了座头式叶片设计在双转子系统中的优势,新设计提高了迎风和下风位置的升阻比,从而产生比标准叶片更高的总能量输出。因此,对DRWT的不同配置进行了测试和检查。拟议的配置与座头鲸转子在顺风位置导致了19。升阻比提高22%。同样地,在逆风位置采用座头式旋翼将升阻比提高了9。26%。与相同研究条件下的标准叶片相比,这些增强功能可以从drwt中提取更多的能量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Innovative Dual Rotor Wind Turbine Design Based on Humpback Whale Blades: Simulation Analysis

Innovative Dual Rotor Wind Turbine Design Based on Humpback Whale Blades: Simulation Analysis

Innovative Dual Rotor Wind Turbine Design Based on Humpback Whale Blades: Simulation Analysis

Innovative Dual Rotor Wind Turbine Design Based on Humpback Whale Blades: Simulation Analysis

Innovative Dual Rotor Wind Turbine Design Based on Humpback Whale Blades: Simulation Analysis

To enhance the performance of wind turbines, this study investigates the integration of two wind energy harvesting systems. An optimal wind turbine configuration has been identified by using dual rotor wind turbine (DRWT) technology with a novel blade design known as the humpback blade, which is inspired by the fins of humpback whales. This design features tubercles and ridges along the leading edge that extend over the last third of the blade's length. The innovative humpback blade design lowered the nominal angle of attack in comparison to conventional blades, which led to a significant boost in lift and a notable reduction in drag forces. This enhancement in the lift-to-drag ratio enabled more efficient rotation at lower wind speeds. Furthermore, single rotor turbines fitted with these blades showed improved energy extraction and decreased turbulence intensity behind the rotor, making them especially effective in DRWT setups. The results validated the benefits of the humpback blade design in dual rotor systems, where the new design enhanced the lift-to-drag ratio in both upwind and downwind positions, resulting in higher overall energy output than turbines with standard blades. As a result, different configurations of the DRWT have been tested and examined. The proposed configuration with a humpback rotor in the downwind position resulted in a 19 . 22 % increase in the lift-to-drag ratio. Similarly, employing a humpback rotor in the upwind position improved the lift-to-drag ratio by 9 . 26 % . These enhancements lead to greater energy extraction from DRWTs compared to those with standard blades under the same study conditions.

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来源期刊
Energy Science & Engineering
Energy Science & Engineering Engineering-Safety, Risk, Reliability and Quality
CiteScore
6.80
自引率
7.90%
发文量
298
审稿时长
11 weeks
期刊介绍: Energy Science & Engineering is a peer reviewed, open access journal dedicated to fundamental and applied research on energy and supply and use. Published as a co-operative venture of Wiley and SCI (Society of Chemical Industry), the journal offers authors a fast route to publication and the ability to share their research with the widest possible audience of scientists, professionals and other interested people across the globe. Securing an affordable and low carbon energy supply is a critical challenge of the 21st century and the solutions will require collaboration between scientists and engineers worldwide. This new journal aims to facilitate collaboration and spark innovation in energy research and development. Due to the importance of this topic to society and economic development the journal will give priority to quality research papers that are accessible to a broad readership and discuss sustainable, state-of-the art approaches to shaping the future of energy. This multidisciplinary journal will appeal to all researchers and professionals working in any area of energy in academia, industry or government, including scientists, engineers, consultants, policy-makers, government officials, economists and corporate organisations.
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