Search Results - "Ribberink, Jan S."

Two-phase modeling of sheet-flow beneath waves and its dependence on grain size and streaming by Kranenburg, Wouter M., Hsu, Tian-Jian, Ribberink, Jan S.

“…•We extend the applicability of a two-phase sheet-flow model to fine sands.•Hereto we propose an alternative closure for the grain–turbulence…”
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Coastal sediment dynamics: recent advances and future research needs by Rijn, Leo C. Van, Ribberink, Jan S., Werf, Jebbe Van Der, Walstra, Dirk J.R.

“…This vision paper discusses the advances made over the last three decades in coastal sand transport and morphodynamics, and the research needs for the coming…”
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Modelling Regime Changes of Dunes to Upper-Stage Plane Bed in Flumes and in Rivers by Duin, Olav J. M. van, Hulscher, Suzanne J. M. H., Ribberink, Jan S.

“…In this paper we derive a new morphological model, with an extended version of the sediment transport model for the mean step length (the average distance…”
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Vertical sorting and the morphodynamics of bed form-dominated rivers: A sorting evolution model by Blom, Astrid, Ribberink, Jan S., Parker, Gary

“…Existing sediment continuity models for nonuniform sediment suffer from a number of shortcomings, as they fail to describe vertical sorting fluxes other than…”
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Transport processes of uniform and mixed sands in oscillatory sheet flow by Hassan, Wael N., Ribberink, Jan S.

“…New experiments were carried out in the Large Oscillating Water Tunnel of WL|Delft Hydraulics (scale 1:1) using asymmetric 2nd-order Stokes waves. The main aim…”
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Database of full-scale laboratory experiments on wave-driven sand transport processes by van der Werf, Jebbe J., Schretlen, Jolanthe J.L.M., Ribberink, Jan S., O'Donoghue, Tom

“…A new database of laboratory experiments involving sand transport processes over horizontal, mobile sand beds under full-scale non-breaking wave and…”
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Vertical sorting and the morphodynamics of bed-form-dominated rivers: An equilibrium sorting model by Blom, Astrid, Parker, Gary, Ribberink, Jan S., de Vriend, Huib J.

“…A modeling framework is developed for taking into account the effects of sediment sorting in the morphodynamic modeling of bed‐form‐dominated rivers for the…”
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Measurements of sheet flow transport in acceleration-skewed oscillatory flow and comparison with practical formulations by van der A, Dominic A., O'Donoghue, Tom, Ribberink, Jan S.

“…Near-bed oscillatory flows with acceleration skewness are characteristic of steep and breaking waves in shallow water. In order to isolate the effects of…”
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Sand transport beneath waves: The role of progressive wave streaming and other free surface effects by Kranenburg, Wouter M., Ribberink, Jan S., Schretlen, Jolanthe J. L. M., Uittenbogaard, Rob E.

“…Recent large‐scale wave flume experiments on sheet‐flow sediment transport beneath Stokes waves show more onshore‐directed sediment transport than earlier…”
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Using Both Free Surface Effect and Sediment Transport Mode Parameters in Defining the Morphology of River Dunes and Their Evolution to Upper Stage Plane Beds by Naqshband, Suleyman, Ribberink, Jan S, Hulscher, Suzanne J. M. H

“…AbstractDunes are common bed forms in sand bed rivers and are of central interest in water management purposes. Due to flow separation and associated energy…”
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Net currents in the wave bottom boundary layer: On waveshape streaming and progressive wave streaming by Kranenburg, Wouter M., Ribberink, Jan S., Uittenbogaard, Rob E., Hulscher, Suzanne J. M. H.

“…The net current (streaming) in a turbulent bottom boundary layer under waves above a flat bed, identified as potentially relevant for sediment transport, is…”
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Bed level motions and sheet flow processes in the swash zone: Observations with a new conductivity-based concentration measuring technique (CCM+) by van der Zanden, Joep, Alsina, José M., Cáceres, Iván, Buijsrogge, René H., Ribberink, Jan S.

“…Detailed measurements of bed level motions and sheet flow processes in the lower swash are presented. The measurements are obtained during a large-scale wave…”
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Practical sand transport formula for non-breaking waves and currents by van der A, Dominic A., Ribberink, Jan S., van der Werf, Jebbe J., O'Donoghue, Tom, Buijsrogge, René H., Kranenburg, Wouter M.

“…Many existing practical sand transport formulae for the coastal marine environment are restricted to a limited range of hydrodynamic and sand conditions. This…”
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An experimental study into the geometry of supply-limited dunes by TUIJNDER, ARJAN P., RIBBERINK, JAN S., HULSCHER, SUZANNE J. M. H.

“…The relationship between dune geometry and the volume of mobile sediment was studied in flume experiments. In these flume experiments, the volume of mobile…”
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Large‐scale laboratory study of breaking wave hydrodynamics over a fixed bar by van der A, Dominic A., van der Zanden, Joep, O'Donoghue, Tom, Hurther, David, Cáceres, Iván, McLelland, Stuart J., Ribberink, Jan S.

“…A large‐scale wave flume experiment has been carried out involving a T = 4 s regular wave with H = 0.85 m wave height plunging over a fixed barred beach…”
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Bed-load transport for steady flows and unsteady oscillatory flows by Ribberink, Jan S.

“…The validity of a bed-load transport formula, based on the bed-shear concept of Meyer-Peter and Mueller, was investigated for steady unidirectional flows,…”
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Experimental observation and modelling of roughness variation due to supply-limited sediment transport in uni-directional flow by Tuijnder, Arjan P., Ribberink, Jan S.

“…This paper presents a study on the relationship between supply-limited bedform formation and the hydraulic roughness of the riverbed. The results of several…”
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Near‐Bed Turbulent Kinetic Energy Budget Under a Large‐Scale Plunging Breaking Wave Over a Fixed Bar by van der Zanden, Joep, van der A, Dominic A., Cáceres, Iván, Hurther, David, McLelland, Stuart J., Ribberink, Jan S., O'Donoghue, Tom

“…Hydrodynamics under regular plunging breaking waves over a fixed breaker bar were studied in a large‐scale wave flume. A previous paper reported on the outer…”
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Sediment transport in nonlinear skewed oscillatory flows: Transkew experiments by Silva, Paulo A., Abreu, Tiago, van der A, Dominic A., Sancho, Francisco, Ruessink, B. G., van der Werf, Jebbe, Ribberink, Jan S.

“…New experiments under sheet flow conditions were conducted in an oscillating water tunnel to study the effects of flow acceleration on sand transport. The…”
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Vertical sorting in bed forms: Flume experiments with a natural and a trimodal sediment mixture by Blom, Astrid, Ribberink, Jan S., de Vriend, Huib J.

“…Two sets of flume experiments were conducted to examine grain size selective transport and vertical sorting in conditions with migrating bed forms and bed load…”
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