Measurements of sediment pickup rate over dune-covered bed

Measurements of sediment pickup rate over dune-covered bed

Laboratory experiments were conducted to measure sediment pickup rate over two-dimensional fixed dunes. Measurements were performed over both stoss and lee sides of the dune with sediments of D 50 = 0.23, 0.44 and 0.86 mm. Flow velocity and turbulence were also measured by using an acoustic Doppler...

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Main Authors: Emadzadeh, Adel, Cheng, Nian-Sheng
Other Authors: School of Civil and Environmental Engineering
Format: Article
Language:English
Published: 2015
Subjects:
DRNTU::Engineering::Civil engineering::Water resources
Online Access:https://hdl.handle.net/10356/79373
http://hdl.handle.net/10220/38316
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-793732020-03-07T11:43:30Z Measurements of sediment pickup rate over dune-covered bed Emadzadeh, Adel Cheng, Nian-Sheng School of Civil and Environmental Engineering DRNTU::Engineering::Civil engineering::Water resources Laboratory experiments were conducted to measure sediment pickup rate over two-dimensional fixed dunes. Measurements were performed over both stoss and lee sides of the dune with sediments of D 50 = 0.23, 0.44 and 0.86 mm. Flow velocity and turbulence were also measured by using an acoustic Doppler velocimeter. By analysing the experimental data, an empirical sediment pickup function based on depth-averaged flow parameters was proposed to estimate the pickup rate over the dune. Accepted version 2015-07-14T04:09:33Z 2019-12-06T13:23:44Z 2015-07-14T04:09:33Z 2019-12-06T13:23:44Z 2015 2015 Journal Article Emadzadeh, A., & Cheng, N.-S. Measurements of sediment pickup rate over dune-covered bed. Environmental Fluid Mechanics, in press. 1567-7419 https://hdl.handle.net/10356/79373 http://hdl.handle.net/10220/38316 10.1007/s10652-015-9416-1 en Environmental fluid mechanics © 2015 Springer Science+Business Media. This is the author created version of a work that has been peer reviewed and accepted for publication by Environmental Fluid Mechanics, Springer Science+Business Media. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [http://dx.doi.org/10.1007/s10652-015-9416-1]. 33 p. + appendix 72 p. application/pdf application/pdf
institution Nanyang Technological University
building NTU Library
country Singapore
collection DR-NTU
language English
topic DRNTU::Engineering::Civil engineering::Water resources
spellingShingle DRNTU::Engineering::Civil engineering::Water resources
Emadzadeh, Adel
Cheng, Nian-Sheng
Measurements of sediment pickup rate over dune-covered bed
description Laboratory experiments were conducted to measure sediment pickup rate over two-dimensional fixed dunes. Measurements were performed over both stoss and lee sides of the dune with sediments of D 50 = 0.23, 0.44 and 0.86 mm. Flow velocity and turbulence were also measured by using an acoustic Doppler velocimeter. By analysing the experimental data, an empirical sediment pickup function based on depth-averaged flow parameters was proposed to estimate the pickup rate over the dune.
author2 School of Civil and Environmental Engineering
author_facet School of Civil and Environmental Engineering
Emadzadeh, Adel
Cheng, Nian-Sheng
format Article
author Emadzadeh, Adel
Cheng, Nian-Sheng
author_sort Emadzadeh, Adel
title Measurements of sediment pickup rate over dune-covered bed
title_short Measurements of sediment pickup rate over dune-covered bed
title_full Measurements of sediment pickup rate over dune-covered bed
title_fullStr Measurements of sediment pickup rate over dune-covered bed
title_full_unstemmed Measurements of sediment pickup rate over dune-covered bed
title_sort measurements of sediment pickup rate over dune-covered bed
publishDate 2015
url https://hdl.handle.net/10356/79373
http://hdl.handle.net/10220/38316
_version_ 1681037196909346816

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