Stefania Carvajal Arciniegas

Katharina Heck (University of Stuttgart)

Rainer Helmig (University of Stuttgart)

Sander Huisman (Forschungszentrum Jülich / University of Stuttgart)

Kiliam Weishaupt (University of Stuttgart

1st May 2018 to 31st October 2018

Evaporation of water from porous media is a common process which is becoming more and more important to understand key natural and engineered processes relevant to water management, global water cycle, soil and groundwater salinization and many other environmental and industrial applications. In many fields in arid and semi-arid regions, evaporation from porous media may induce salt deposition and crystallization on the top of the surface or within the porous matrix. To better understand and predict these processes a numerical model can help to test different hypotheses. Therefore a thorough comparison of this model with experimental data is needed.

This thesis aims to compare experimental results from FZ Jülich to a numerical model including evaporation and salt precipitation. The goal is to compare measured permeability changes and evaporation rates during the drying and formation of the salt crust with modelling results in DuMu^x. Of special interest are NaCl, MgSO₄ and Na₂SO₄.