This dataset was used in the study of Van Offenwert et al. (2019). It contains time-resolved laboratory-based micro-CT images of saturated solute injection experiments in sintered glass and Bentheimer sandstone. Based on the grey values in the resolved pore space, pore-scale concentration fields can be quantified. To estimate its uncertainty, calibration scans where the pores were saturated with a known tracer (CsCl) concentration were performed at 12 s per scan with a voxel size of 13 µm ('Calibration experiments'). The tracer injection experiments were imaged at 15 s per scan with a voxel size of 13.4 µm (‘Tracer injection experiments’). Each fast imaging experiment was preceded by a higher quality slower pre-scan to determine the static pore structure. All data were acquired with a gantry-based micro-CT system specially designed for in-situ imaging (UGCT). The aim was to analyze pore-scale solute concentration fields to investigate solute spreading and mixing during tracer injection experiments. Further details on the analyses of the micro-CT images can be found in Van Offenwert et al. (2019). The dataset can be used to investigate the influence of pore-scale heterogeneity and the volumetric pump velocity (the Péclet number) on transport processes.
Stefanie Van Offenwert (Ghent University)
July 1, 2019
This project does not have an archive available to download.