A simple formula for predicting settling velocity of sediment particles

Based on the general relationship described by Cheng between the drag coefficient and the Reynolds number of a particle, a new relationship between the Reynolds number and a dimensionless particle parameter is proposed. Using a trial-and-error procedure to minimize errors, the coefficients were dete...

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Main Authors: Song Zhiyao, Wu Tingting, Xu Fumin, Li Ruijie
Format: Article
Language:English
Published: Elsevier 2008-03-01
Series:Water Science and Engineering
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S167423701530017X
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author Song Zhiyao
Wu Tingting
Xu Fumin
Li Ruijie
author_facet Song Zhiyao
Wu Tingting
Xu Fumin
Li Ruijie
author_sort Song Zhiyao
collection DOAJ
description Based on the general relationship described by Cheng between the drag coefficient and the Reynolds number of a particle, a new relationship between the Reynolds number and a dimensionless particle parameter is proposed. Using a trial-and-error procedure to minimize errors, the coefficients were determined and a formula was developed for predicting the settling velocity of natural sediment particles. This formula has higher prediction accuracy than other published formulas and it is applicable to all Reynolds numbers less than 2×105.
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spelling doaj.art-fb75635fbc1a4f90b2a6804a6c9e81aa2022-12-21T20:33:50ZengElsevierWater Science and Engineering1674-23702008-03-0111374310.1016/S1674-2370(15)30017-XA simple formula for predicting settling velocity of sediment particlesSong Zhiyao0Wu Tingting1Xu Fumin2Li Ruijie3State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, P. R. ChinaState Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, P. R. ChinaCollege of Ocean, Hohai University, Nanjing 210098, P. R. ChinaCollege of Ocean, Hohai University, Nanjing 210098, P. R. ChinaBased on the general relationship described by Cheng between the drag coefficient and the Reynolds number of a particle, a new relationship between the Reynolds number and a dimensionless particle parameter is proposed. Using a trial-and-error procedure to minimize errors, the coefficients were determined and a formula was developed for predicting the settling velocity of natural sediment particles. This formula has higher prediction accuracy than other published formulas and it is applicable to all Reynolds numbers less than 2×105.http://www.sciencedirect.com/science/article/pii/S167423701530017Xsettling velocityspherical particlesediment particlesediment transporttrial-and-error method
spellingShingle Song Zhiyao
Wu Tingting
Xu Fumin
Li Ruijie
A simple formula for predicting settling velocity of sediment particles
Water Science and Engineering
settling velocity
spherical particle
sediment particle
sediment transport
trial-and-error method
title A simple formula for predicting settling velocity of sediment particles
title_full A simple formula for predicting settling velocity of sediment particles
title_fullStr A simple formula for predicting settling velocity of sediment particles
title_full_unstemmed A simple formula for predicting settling velocity of sediment particles
title_short A simple formula for predicting settling velocity of sediment particles
title_sort simple formula for predicting settling velocity of sediment particles
topic settling velocity
spherical particle
sediment particle
sediment transport
trial-and-error method
url http://www.sciencedirect.com/science/article/pii/S167423701530017X
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AT liruijie asimpleformulaforpredictingsettlingvelocityofsedimentparticles
AT songzhiyao simpleformulaforpredictingsettlingvelocityofsedimentparticles
AT wutingting simpleformulaforpredictingsettlingvelocityofsedimentparticles
AT xufumin simpleformulaforpredictingsettlingvelocityofsedimentparticles
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