基于"马桶冲水"机理的人工湖优化设计应用初探

来源 :中国水利学会2015学术年会 | 被引量 : 0次 | 上传用户:cosmos_lin
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  以广州市从化区人工湖项目为研究对象,通过不断优化工程设计方案,将来水水流方向由传统的直线对准人工湖中心位置改变为偏离中心位置一段距离,从而在人工湖内产生螺旋涡流,并对出水口及尾水处理加以改进,近似马桶造型,其运行机理也近似马桶旋转式出水冲污。人工湖内由于螺旋涡流的动力作用,对底层沙粒产生启动力,推移质和悬移质均向螺旋涡流中心汇聚靠拢,再利用螺旋涡流中心处的出口,使水沙分离,截沙率大大提高,减少了运行成本,为未来城市建设人工景观水体提供成功实例,同时也首次提出一条治理水库淤积的新思路。
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