基于触角特征雷诺兹数的悬浮沉积物的流沉降盆的直径设计方法的研究
1College of Water Conservancy and Civil Engineering, Xinjiang Agricultural Univ., and Xinjiang Key Laboratory of Hydraulic Engineering Security and Water Disasters Prevention, Urumqi, 830052, China.
Scientific reports
|November 20, 2025
概括
流沉降盆地的新直径设计方法提高了悬浮沉积物捕获效率. 这种基于触点特征雷诺兹数的方法,通过增加沉积物捕获率高达21%,提高了灌用水的使用率.
科学领域:
- 环境工程 环境工程
- 流体力学 流体力学 流体力学
- 沉积物运输 沉积物运输
背景情况:
- 流沉盆地对于灌系统中的沉积物处理至关重要.
- 目前的直径设计方法缺乏精度,导致沉积物捕获效率存在重大差异.
- 有效的沉积物管理对于保持水资源质量和基础设施完整性至关重要.
研究的目的:
- 提出基于触角特征雷诺兹数的旋转沉降盆的新型直径设计方法.
- 解决对直径设计参数定义不足的问题,影响实际的捕获效率.
- 提高沉积物处理装置在灌水管理中的性能.
主要方法:
- 在三个代表性项目进行现场观测:东莱,塔兰河和香格里拉.
- 开发实验室物理模型来模拟盆地水力动力学.
- 使用声波多普勒速度计测量和分析触角特征雷诺兹数分布.
主要成果:
- 确定了触点特征雷诺兹数 (<9.5 × 106) 的关键值,以在特定的辐射位置获得高沉积物捕获效率.
- 建立了触点特征雷诺兹数和辐射位置之间的关系,以获得最佳的盆地性能.
- 证明,与传统方法相比,拟议的方法可以将悬浮沉积物捕获效率提高9.4%-21% .
结论:
- 拟议的直径设计方法,利用触点特征雷诺兹数,为流沉盆提供了更准确的方法.
- 实施这种方法可以显著提高沉积物捕获效率,从而提高灌用水利用率.
- 这项研究为优化结盆地设计和增强沉积物管理策略提供了实际指导.
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