超低头轮机的可行性研究,用于从浅水中提取能源
Mohamed Murshid Shamsuddeen1,2, Mohammad Abu Shahzer1,2, Min-Su Roh1,2
1Convergence Manufacturing System Engineering (Green Process and Energy System Engineering), University of Science & Technology, Daejeon, South Korea.
Heliyon
|August 22, 2024
概括
超低头轮机在浅水地区释放了可再生能源的潜力. 门轮机设计表现出卓越的效率和功率输出,特别是14°角的3叶片运行器.
科学领域:
- 可再生能源工程可再生能源工程
- 流体动力学 流体动力学
- 水力动力学轮机 轮机
背景情况:
- 超低水力发电可以利用以前无法进入的水域,如河口和运河.
- 为这些地点开发高效的轮机对于分散的可再生能源发电至关重要.
- 各种轮设计,包括螺杆,萨沃尼乌斯,轴向和门轮,是低头应用的候选者.
研究的目的:
- 评估和比较不同的水力轮机概念的性能,用于超低头能量提取.
- 确定最有效的轮机设计,以最大限度地提高浅水道的发电量.
- 通过参数研究,优化最有前途的轮机设计的性能.
主要方法:
- 计算流体动力学 (CFD) 模拟使用雷诺兹平均纳维埃-斯托克斯 (RANS) 方程与剪切应力传输 (SST) 模型.
- 对现有实验数据进行数值方法验证.
- 对轮机性能指标和设计可行性的比较分析.
主要成果:
- 与其他设计相比,门轮机概念显示出明显更高的功率输出和效率.
- 水平轴螺旋轮在评估的概念中表现最低.
- 横向的萨沃尼乌斯轮机比螺杆轮机的性能提高了23.25%.
- 在14度安装角度的3叶片门轮机产生了最佳的功率输出和效率.
结论:
- 门轮机是用于超低水力发电的高效设计.
- 优化叶片数量和安装角度显著提高门轮机的性能.
- 这项研究为开发用于边际水资源的高效水动力轮机提供了宝贵的见解.
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