VELOCITY PROFILES OF TURBULENT OPEN CHANNEL FLOWS

。 Wang、Dianchang、Xing-kui、Yu、Ming-zhong、Li、Dan-xun

2001Acta Scientiarum Naturalium Universitatis SunyatseniEngineering被引 1

摘要

The log-law and the wake law of velocity profile for open channel flows are discussed and compared in this paper. Experimental data from eight sources are used to verify the velocity distribution models.The effect of bed level on the velocity profile is analyzed. A formula to calculate the maximum velocity is proposed. In the region of y ＜δm , the velocity profile approximately follows the log-law. For the region of y ＞δm , the effect of the aspect ratio is considered. A new velocity profile model on the basis of log-law that can unify all of the hydraulic bed roughness is presented.

引用本文（GB/T 7714）

。 Wang, Dianchang, Xing-kui, 等. VELOCITY PROFILES OF TURBULENT OPEN CHANNEL FLOWS[J]. Acta Scientiarum Naturalium Universitatis Sunyatseni, 2001.

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