The mean velocity profile of sediment - laden flow can bet divided into two regions . the profiles for both regions follow the logarithmic law . only the von karman universal constants are different from each other 渾水時勻流速分布可分成兩個流區(qū),兩個流區(qū)的分布均遵循對數(shù)規(guī)律,只是相應的卡門常數(shù)有所不同。