Experimental research on dynamic dredge overflow plumes

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van Eekelen, E.M.M. (2013): Experimental research on dynamic dredge overflow plumes. Version 1. 4TU.ResearchData. dataset. https://doi.org/10.4121/uuid:b54162ae-1b09-450b-a258-535d78040b60
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A preliminary study was carried out to investigate both theory and modelling of dynamic plumes in order to define the knowledge gaps present. The possibilities to fill these knowledge gaps were studied which resulted in carrying out experiments on two interesting influences on the dynamic plume: stripping and vortex divergence. Stripping is defined as the removal of material from a dynamic plume by the cross flow. Its process is not well understood and the few quantifications presented in literature were found to have no proper base. To obtain more information laboratory experiments were performed at a 1:100 distorted Richardson scale. The experiments were partly hindered by the limited flume dimensions of the experimental setup, but the tests yielded interesting observations. Vortex divergence is depending on the strength of the vortex pair that is formed when a plume is bent over by a cross flow. In homogenous surroundings the plume is said to be non-bifurcating, but the vortices of the vortex pair are diverging at a near constant rate. This divergence was already observed in the stripping experiments and was further investigated in extra specialized experiments.
  • 2013-06-30 first online, published, posted
TU Delft
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TU Delft, Faculty of Civil Engineering and Geoscience, Department of Hydraulic Engineering
  • Boon, J.G.
  • Dirks, W.G.
  • Stelling, G.S.
  • Van der Schrieck, G.L.M.
  • Winterwerp, J.C.


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