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Lock Facility

Deltares can test lock designs in the Lock Facility. It features brine storage and salt mixing tanks, as well as underground reservoirs for storage of salt- and freshwater. The Lock Facility was used to study the flow patterns around the salt screen used to selectively withdraw salt water near the new sea lock in IJmuiden.

Scale model

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Computational Fluid Dynamics (CFD)

Computational Fluid Dynamics analyses in salinisation projects are often carried out using Simcenter STAR-CCM+, a commercial CFD based simulation software. STAR-CCM+'s description of the buoyancy-term in the Navier-Stokes equations and k-epsilon turbulence models has been validated by Deltares.

Other CFD softwares that are software packages include D-HYDRO and OpenFOAM but these are used less frequently used in salinisation projects include D-HYDRO and OpenFOAM

Computational Fluid Dynamics


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iMOD-expandable data

iMOD

iMOD is freely available and open source software for a wide range of ground water modelling tasks. iMOD consists of user interfaces, pre- and postprocessing software and computational cores based on USGS MODFLOW source code to support analysis of groundwater flow.

Computational Fluid Dynamics

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Airborne Electromagnetic (AEM) geophysical methods

Met deze meettechniek wordt met een actief elektromagnetisch (EM) systeem de elektrische geleidbaarheid van de ondergrond bepaald. De uitvoerig vindt plaats vanuit het vliegtuig of de helikopter. Door gebruik te maken van verschillende frequenties kan op verschillende diepten worden gemeten en een geleidbaarheidsprofiel van de bodem worden opgebouwd. Twee specifieke toepassingen zijn HEM (ontwikkeld door BGR, Duitsland) en Sky-Tem (ontwikkeld door Universiteit Aarhus, Denemarken).

Field measurements

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Sea Lock Formulation

Quick assessment tool to calculate the influence of salt intrusion through shipping locks on the salinity of fresh water, which can for example be used to calculate the salinity at drinking water abstraction points or the salinity of irrigation water.

The Sea Lock Formulation is the successor of WANDA-Locks and the Zoutlekmodel (literally: 'salt leakage' model). Previous box-models also included SWINLOCKS.

Quick assessment tool

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