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圆柱桩群绕流特性试验研究

DOI: 10.3969/j.issn.1674-0696.2011.04.008, PP. 740-742

Keywords: 圆柱桩群,绕流特性,试验研究,cylinderpilecluster,characteristicsofcircumferentialmotion,experimentalstudy

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Abstract:

:?通过水槽试验,研究了不同圆柱桩群对均匀水流绕流流态的影响程度,对比分析多组试验研究数据发现了:圆柱桩群对均匀水流的影响规律,不同圆柱桩群对同样水流影响性质与程度的差别,不同圆柱桩群对水流流态影响范围的规律,圆柱桩群的阻流率、排架密度和桩群长度对水流流态的影响规律,不同流速水流对圆柱桩群绕流流态影响规律。得出结论:桩群阻力是桩群影响水流流态的一个因素但非唯一因素,桩群的排列方式和桩群迎流角对水流流态的变化有不同程度影响,且其影响程度甚于阻力。

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