NDLI: A Study on-resistance characteristics and turbulent structure properties of hyper-concentrated sediment-laden flow

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A Study on-resistance characteristics and turbulent structure properties of hyper-concentrated sediment-laden flow

Content Provider	Scilit
Author	Sukarno Hendratta, L. A. Ohmoto, T.
Copyright Year	2020
Description	Journal: Iop Conference Series: Earth and Environmental Science Sediment laden flows of high density occur in most natural environments in the world. A certain amount of particles in hyper-concentrated sediment-laden flow plays an important role and has a great effect on the behavior of the flow. Significant erosion and siltation associated with hyper-concentrated floods give rise to many problems. Mudflows that contain large concentrations of clay particles suspended in water are considered to have non-Newtonian hydrodynamic properties but remain largely unknown. In this experimental study, the flow field over a square ribs roughness in an open channel was investigated in detail through comparison with clear water flow by using sodium polyacrylate (PSA) solutions that have viscosity characteristics similar to those of hyper-concentrated sediment-laden flow and applying PIV (Particle Image Velocimetry) measurement system to current meters. The experimental results stressed that the total resistance coefficient for the highly viscous PSA solution reached a maximum of 1.76 times the total resistance coefficient in clear water due to the shear-thinning effect of a non-Newtonian fluid.
Related Links	https://iopscience.iop.org/article/10.1088/1755-1315/419/1/012111/pdf
ISSN	17551307
e-ISSN	17551315
DOI	10.1088/1755-1315/419/1/012111
Journal	Iop Conference Series: Earth and Environmental Science
Issue Number	1
Volume Number	419
Language	English
Publisher	IOP Publishing
Publisher Date	2020-01-01
Access Restriction	Open
Subject Keyword	Journal: Iop Conference Series: Earth and Environmental Science Water Science and Technology Hyper Concentrated Sediment Laden Flow Concentrated Sediment
Content Type	Text
Resource Type	Article
Subject	Earth and Planetary Sciences Physics and Astronomy Environmental Science

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