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  5. A Numerical Investigation of Flow Past Two-Dimensional Dunes in a Long Channel

A Numerical Investigation of Flow Past Two-Dimensional Dunes in a Long Channel

来源 :35th IAHR World Congress(第三十五届国际水利学大会) | 被引量 : 0次 | 上传用户：jamyi
【摘 要】
：
An important three-dimensional feature of the turbulent flow fields in the flow over a rough surface is the formation of long streamwise-oriented streaks of high and low streamwise velocity, similar t
【作 者】
：
Kyoungsik Chang George Constantinescu 
【出 处】
：
35th IAHR World Congress(第三十五届国际水利学大会)
【发表日期】
：
2013年2期
【关键词】
：
Open channel Rough bed Dunes Large eddy simulation Coherent Structures 
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论文部分内容阅读
An important three-dimensional feature of the turbulent flow fields in the flow over a rough surface is the formation of long streamwise-oriented streaks of high and low streamwise velocity, similar to those observed in the vicinity of the bed in turbulent flow over a smooth surface.
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