Object's details: Numerical calculations with a multi-layer model of mixed sand transport against measurements in wave motion and steady flow

Provider:Biblioteka Cyfrowa Politechniki Koszalińskiej

Description

Title:
Numerical calculations with a multi-layer model of mixed sand transport against measurements in wave motion and steady flow
Creator:
Kaczmarek, Leszek M.;
Radosz, Iwona;
Zawisza, Jerzy
Description:
A multi-layer model is used to calculate time-dependent sediment velocity and concentration vertical profiles. This model, in which the differences in sediment transport at different distances from the bed are considered is intended both for the wave motion and steady flow. Numerical calculations were carried out for sediment transport during the wave crest and trough and total sediment transport as a sum of their absolute values. The model concept of variation in shear stress from the skin stress value above the bed to the stress value at the bed previously proposed for steady flow is extended here for the wave motion and verified by direct stress measurements. The calculations were carried out for mixed sand sediments with different grain size distributions including semi-uniform and poorly sorted grains. Comparison with the available small- and large -scale data from flumes and oscillating tunnels yields agreement typically within plus/minus a factor two of measurements.
Object availability:
free access
Rights:
Biblioteka Politechniki Koszalińskiej;
internet;
Creative Commons BY-SA 4.0
Date:
2021.12.31;
2021
Type:
artykuł w czasopiśmie
Language:
English;
eng
Format:
application/pdf
Publisher:
Politechnika Koszalińska
Subject:
wave motion;
steady flow;
sediment transport;
transport during the wave crest and trough
Data provider:
Biblioteka Cyfrowa Politechniki Koszalińskiej

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Federacja Bibliotek Cyfrowych

Object's details: Numerical calculations with a multi-layer model of mixed sand transport against measurements in wave motion and steady flow

Description

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