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Title: Effect of suspended sediment on turbulent velocity profiles in open-channel flows
Keywords: velocity profile, concentration profile, sediment, open-channel flow, log-law, power-law
Issue Date: 17-Mar-2004
Citation: TIN MIN THANT (2004-03-17). Effect of suspended sediment on turbulent velocity profiles in open-channel flows. ScholarBank@NUS Repository.
Abstract: This thesis studies turbulent velocity in open-channel for sediment-laden flow. The study of turbulent velocity profiles in sediment-laden flow is one the most important subjects in sediment transport and river mechanics. The main purpose is to find suitable velocity profile equations for the turbulent flow layer by using logarithmic matching method. This study introduce two suitable velocity profile models for the turbulent flow layer by applying logarithmic matching method and study the effects of sediment suspension on the model parameters. Model 1 is analyzed by the two logarithmic laws and Model 2 is developed by the two power laws. These new velocity profile equations are referred as the logarithmic matching equations and they agree with the whole layer which is not satisfied in previous studies. The relating concentration profile models for two suspension regions (inner + outer region) are established by applying the power law and the velocity defect law.
Appears in Collections:Master's Theses (Open)

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