Parametrized Salt Intrusion in Navigation Locks, an Improved Analytical Description
J. Blom (TU Delft - Civil Engineering & Geosciences)
W.S.J. Uijttewaal – Mentor (TU Delft - Environmental Fluid Mechanics)
JD Pietrzak – Mentor (TU Delft - Environmental Fluid Mechanics)
R. J. Labeur – Mentor (TU Delft - Environmental Fluid Mechanics)
A.J. van der Hout – Graduation committee member (TU Delft - Rivers, Ports, Waterways and Dredging Engineering)
Marcel Wauben – Coach (Witteveen+Bos)
Otto Weiler – Graduation committee member (Deltares)
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Abstract
Two current assumptions of the Zeesluisformulering (ZSF) regarding a homogeneous lock density and instantaneous shipping are tested against refined descriptions according to literature: a stratified lock density and shipping according the continuity approach. These are implemented into a conceptual model constructed in Python, after which optimizations are quantified by means of a sensitivity analysis and a case study. It was found that by using the new assumption set, a maximum of approximately 10% less salt intrusion is obtained as a result of the influence of the return current on the lock exchange.