Z02: Porous Media Lab (PML) - A platform for image-based in-situ experiments for porous media

Project Z02 (Porous Media Lab) provides experimental infrastructure and expertise for studying flow, transport, and deformation in porous media. It supports CRC 1313 with microfluidics and in-situ XRCT, enabling high-resolution, real-time imaging. Key advances include custom micromodels, novel imaging setups, and 4D data tools. Research addressed fracture mechanics, salt precipitation, and carbonate dissolution. Upcoming goals focus on dynamic fatigue tests, spectral XRCT, and tracer-based microfluidic analysis. The lab drives benchmarking and validation efforts across the CRC. Strong collaborations amplify its scientific and technical impact.

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11 to 20 of 28 Results

micro-XRCT data sets and in situ measured ultrasonic wave propagation of pre-stressed monodisperse rubber and glass particle mixtures with 10%, 20%, 40%, and 60% volume rubber content: sample 1 May 4, 2023 - Publication: Particulate systems Ruf, Matthias; Taghizadeh, Kianoosh; Steeb, Holger, 2023, "micro-XRCT data sets and in situ measured ultrasonic wave propagation of pre-stressed monodisperse rubber and glass particle mixtures with 10%, 20%, 40%, and 60% volume rubber content: sample 1", https://doi.org/10.18419/DARUS-3436, DaRUS, V1, UNF:6:B6SNTx6Co9kvBdKrEWyCwA== [fileUNF] This dataset contains 8 micro X-ray Computed Tomography (micro-XRCT) data sets from scans of cylindrical particulate mixture samples (diameter 80 mm; unloaded height 80 mm) under different uniaxial compression loads. The samples consist of monodisperse stiff (glass) and soft (rubber) particle mixtures. Both particles have an identical diameter of 4...
In situ performed fracturing experiment of a limestone sample using an X-ray transparent triaxial cell: micro-XRCT data sets and measurement data Apr 5, 2023 - Publication: Crystalline rocks Ruf, Matthias; Lee, Dongwon; Steeb, Holger, 2023, "In situ performed fracturing experiment of a limestone sample using an X-ray transparent triaxial cell: micro-XRCT data sets and measurement data", https://doi.org/10.18419/DARUS-3106, DaRUS, V1, UNF:6:jZuOGs6RP72PrLA8cCwFjg== [fileUNF] This dataset contains in situ recorded micro X-ray Computed Tomography (micro-XRCT) scan data sets (reconstructed and projection images) of a marine limestone sample under different triaxial loading conditions. The loading conditions were applied to establish the initial conditions to run the so-called Natural Hydraulic Fracture (NHF) protocol prop...
Image enhancement code: time-resolved tomograms of EICP application using 3D U-net Feb 7, 2023 - Publication: Machine learning assists in increasing the time resolution of X-ray tomography Lee, Dongwon; Steeb, Holger, 2023, "Image enhancement code: time-resolved tomograms of EICP application using 3D U-net", https://doi.org/10.18419/DARUS-2991, DaRUS, V1 This dataset contains the codes to reproduce the results of "Time resolved micro-XRCT dataset of Enzymatically Induced Calcite Precipitation (EICP) in sintered glass bead columns", cf. https://doi.org/10.18419/darus-2227. The code takes "low-dose" images as an input where the images contain many artifacts and noise as a trade-off of a fast data acq...
micro-XRCT data sets and in situ measured ultrasonic wave propagation of a pre-stressed monodisperse rubber and glass particle mixture with 50% volume rubber content Sep 26, 2022 - Publication: Particulate systems Ruf, Matthias; Taghizadeh, Kianoosh; Steeb, Holger, 2021, "micro-XRCT data sets and in situ measured ultrasonic wave propagation of a pre-stressed monodisperse rubber and glass particle mixture with 50% volume rubber content", https://doi.org/10.18419/DARUS-2208, DaRUS, V2, UNF:6:Rf3VjhimtgZ3IVZt0sEaiw== [fileUNF] This dataset contains two micro X-ray Computed Tomography (micro-XRCT) data sets from scans of the identical cylindrical sample (diameter 80 mm; unloaded height 80 mm) under different uniaxial compression loads. The sample consists of monodisperse soft (rubber) and stiff (glass) particles mixture. Both particles have an identical diameter of 4 mm....
micro-XRCT data sets and in situ measured ultrasonic wave propagation of a pre-stressed monodisperse rubber and glass particle mixture with 30% volume rubber content Sep 26, 2022 - Publication: Particulate systems Ruf, Matthias; Taghizadeh, Kianoosh; Steeb, Holger, 2022, "micro-XRCT data sets and in situ measured ultrasonic wave propagation of a pre-stressed monodisperse rubber and glass particle mixture with 30% volume rubber content", https://doi.org/10.18419/DARUS-2833, DaRUS, V1, UNF:6:V7YRRp377HBaXdVaRSc6ig== [fileUNF] This dataset contains two micro X-ray Computed Tomography (micro-XRCT) data sets from scans of the identical cylindrical sample (diameter 80 mm; unloaded height 80 mm) under different uniaxial compression loads. The sample consists of monodisperse soft (rubber) and stiff (glass) particles mixture. Both particles have an identical diameter of 4 mm....
Enzymatically induced carbonate precipitation and its effect on capillary pressure-saturation relations of porous media - micro-XRCT dataset of low column (sample 10) Jul 12, 2022 - Publication: Enzymatically induced carbonate precipitation Ruf, Matthias; Hommel, Johannes; Steeb, Holger, 2022, "Enzymatically induced carbonate precipitation and its effect on capillary pressure-saturation relations of porous media - micro-XRCT dataset of low column (sample 10)", https://doi.org/10.18419/DARUS-2908, DaRUS, V1, UNF:6:lD3UlWjZQRaGPURMuWejpw== [fileUNF] This dataset contains a micro X-ray Computed Tomography (micro-XRCT) data set (projection, reconstructed, and segmented images) from a sintered glass beads column packing with enzymatically induced carbonate precipitation. The prepared sintered glass beads column sample has a diameter of about 5 mm and a length of 10 mm. It consists of glass beads...
Enzymatically induced carbonate precipitation and its effect on capillary pressure-saturation relations of porous media - micro-XRCT dataset of high column (sample 4) Jul 12, 2022 - Publication: Enzymatically induced carbonate precipitation Ruf, Matthias; Hommel, Johannes; Steeb, Holger, 2022, "Enzymatically induced carbonate precipitation and its effect on capillary pressure-saturation relations of porous media - micro-XRCT dataset of high column (sample 4)", https://doi.org/10.18419/DARUS-2907, DaRUS, V1, UNF:6:ZBzSpg62B7xn5d+OtyUilg== [fileUNF] This dataset contains micro X-ray Computed Tomography (micro-XRCT) data sets (projection, reconstructed, and segmented images) from a sintered glass beads column packing with enzymatically induced carbonate precipitation. The prepared sintered glass beads column sample has a diameter of about 5 mm and a length of 10 mm. It consists of glass beads w...
Enzymatically induced carbonate precipitation and its effect on capillary pressure-saturation relations of porous media - micro-XRCT dataset of medium column (sample 3) Jul 11, 2022 - Publication: Enzymatically induced carbonate precipitation Ruf, Matthias; Hommel, Johannes; Steeb, Holger, 2022, "Enzymatically induced carbonate precipitation and its effect on capillary pressure-saturation relations of porous media - micro-XRCT dataset of medium column (sample 3)", https://doi.org/10.18419/DARUS-2906, DaRUS, V1, UNF:6:jlP3pZtBY1BpGYRex5PnqA== [fileUNF] This dataset contains a micro X-ray Computed Tomography (micro-XRCT) data set (projection, reconstructed, and segmented images) from a sintered glass beads column packing with enzymatically induced carbonate precipitation. The prepared sintered glass beads column sample has a diameter of about 5 mm and a length of 10 mm. It consists of glass beads...
micro-XRCT data sets of subflorescent salt crusts from evaporation of MgSO4 solution with 0.96 mol/L initial concentration Sep 9, 2021 - Publication: Porosity and Permeability of Subflorescent Salt Crusts Formed by Evaporation From Porous Media Ruf, Matthias; Lee, Dongwon; Piotrowski, Joseph; Huisman, Johan Alexander; Steeb, Holger, 2021, "micro-XRCT data sets of subflorescent salt crusts from evaporation of MgSO4 solution with 0.96 mol/L initial concentration", https://doi.org/10.18419/DARUS-2003, DaRUS, V1 This data set contains data of scans of three separated dry salt crusts that formed by evaporation of magnesium sulfate solution with 0.96 mol/L initial concentration from F32 quartz sand at 40%, 30%, and 25% saturation inside the sand packing. The cylindrical sample holder from polymethyl methacrylat (PMMA) had a diameter of 31 mm and a wall thick...
micro-XRCT data sets of subflorescent salt crusts from evaporation of MgSO4 solution with 0.32 mol/L initial concentration Sep 9, 2021 - Publication: Porosity and Permeability of Subflorescent Salt Crusts Formed by Evaporation From Porous Media Ruf, Matthias; Lee, Dongwon; Piotrowski, Joseph; Huisman, Johan Alexander; Steeb, Holger, 2021, "micro-XRCT data sets of subflorescent salt crusts from evaporation of MgSO4 solution with 0.32 mol/L initial concentration", https://doi.org/10.18419/DARUS-2002, DaRUS, V1 This data set contains data of scans of three separated dry salt crusts that formed by evaporation of magnesium sulfate solution with 0.32 mol/L initial concentration from F32 quartz sand at 40%, 30%, and 20% saturation inside the sand packing. The cylindrical sample holder from polymethyl methacrylat (PMMA) had a diameter of 31 mm and a wall thick...

micro-XRCT data sets and in situ measured ultrasonic wave propagation of pre-stressed monodisperse rubber and glass particle mixtures with 10%, 20%, 40%, and 60% volume rubber content: sample 1

May 4, 2023 - Publication: Particulate systems

Ruf, Matthias; Taghizadeh, Kianoosh; Steeb, Holger, 2023, "micro-XRCT data sets and in situ measured ultrasonic wave propagation of pre-stressed monodisperse rubber and glass particle mixtures with 10%, 20%, 40%, and 60% volume rubber content: sample 1", https://doi.org/10.18419/DARUS-3436, DaRUS, V1, UNF:6:B6SNTx6Co9kvBdKrEWyCwA== [fileUNF]

This dataset contains 8 micro X-ray Computed Tomography (micro-XRCT) data sets from scans of cylindrical particulate mixture samples (diameter 80 mm; unloaded height 80 mm) under different uniaxial compression loads. The samples consist of monodisperse stiff (glass) and soft (rubber) particle mixtures. Both particles have an identical diameter of 4...

In situ performed fracturing experiment of a limestone sample using an X-ray transparent triaxial cell: micro-XRCT data sets and measurement data

Apr 5, 2023 - Publication: Crystalline rocks

Ruf, Matthias; Lee, Dongwon; Steeb, Holger, 2023, "In situ performed fracturing experiment of a limestone sample using an X-ray transparent triaxial cell: micro-XRCT data sets and measurement data", https://doi.org/10.18419/DARUS-3106, DaRUS, V1, UNF:6:jZuOGs6RP72PrLA8cCwFjg== [fileUNF]

This dataset contains in situ recorded micro X-ray Computed Tomography (micro-XRCT) scan data sets (reconstructed and projection images) of a marine limestone sample under different triaxial loading conditions. The loading conditions were applied to establish the initial conditions to run the so-called Natural Hydraulic Fracture (NHF) protocol prop...

Image enhancement code: time-resolved tomograms of EICP application using 3D U-net

Feb 7, 2023 - Publication: Machine learning assists in increasing the time resolution of X-ray tomography

Lee, Dongwon; Steeb, Holger, 2023, "Image enhancement code: time-resolved tomograms of EICP application using 3D U-net", https://doi.org/10.18419/DARUS-2991, DaRUS, V1

This dataset contains the codes to reproduce the results of "Time resolved micro-XRCT dataset of Enzymatically Induced Calcite Precipitation (EICP) in sintered glass bead columns", cf. https://doi.org/10.18419/darus-2227. The code takes "low-dose" images as an input where the images contain many artifacts and noise as a trade-off of a fast data acq...

micro-XRCT data sets and in situ measured ultrasonic wave propagation of a pre-stressed monodisperse rubber and glass particle mixture with 50% volume rubber content

Sep 26, 2022 - Publication: Particulate systems

Ruf, Matthias; Taghizadeh, Kianoosh; Steeb, Holger, 2021, "micro-XRCT data sets and in situ measured ultrasonic wave propagation of a pre-stressed monodisperse rubber and glass particle mixture with 50% volume rubber content", https://doi.org/10.18419/DARUS-2208, DaRUS, V2, UNF:6:Rf3VjhimtgZ3IVZt0sEaiw== [fileUNF]

This dataset contains two micro X-ray Computed Tomography (micro-XRCT) data sets from scans of the identical cylindrical sample (diameter 80 mm; unloaded height 80 mm) under different uniaxial compression loads. The sample consists of monodisperse soft (rubber) and stiff (glass) particles mixture. Both particles have an identical diameter of 4 mm....

micro-XRCT data sets and in situ measured ultrasonic wave propagation of a pre-stressed monodisperse rubber and glass particle mixture with 30% volume rubber content

Sep 26, 2022 - Publication: Particulate systems

Ruf, Matthias; Taghizadeh, Kianoosh; Steeb, Holger, 2022, "micro-XRCT data sets and in situ measured ultrasonic wave propagation of a pre-stressed monodisperse rubber and glass particle mixture with 30% volume rubber content", https://doi.org/10.18419/DARUS-2833, DaRUS, V1, UNF:6:V7YRRp377HBaXdVaRSc6ig== [fileUNF]

Enzymatically induced carbonate precipitation and its effect on capillary pressure-saturation relations of porous media - micro-XRCT dataset of low column (sample 10)

Jul 12, 2022 - Publication: Enzymatically induced carbonate precipitation

Ruf, Matthias; Hommel, Johannes; Steeb, Holger, 2022, "Enzymatically induced carbonate precipitation and its effect on capillary pressure-saturation relations of porous media - micro-XRCT dataset of low column (sample 10)", https://doi.org/10.18419/DARUS-2908, DaRUS, V1, UNF:6:lD3UlWjZQRaGPURMuWejpw== [fileUNF]

This dataset contains a micro X-ray Computed Tomography (micro-XRCT) data set (projection, reconstructed, and segmented images) from a sintered glass beads column packing with enzymatically induced carbonate precipitation. The prepared sintered glass beads column sample has a diameter of about 5 mm and a length of 10 mm. It consists of glass beads...

Enzymatically induced carbonate precipitation and its effect on capillary pressure-saturation relations of porous media - micro-XRCT dataset of high column (sample 4)

Jul 12, 2022 - Publication: Enzymatically induced carbonate precipitation

Ruf, Matthias; Hommel, Johannes; Steeb, Holger, 2022, "Enzymatically induced carbonate precipitation and its effect on capillary pressure-saturation relations of porous media - micro-XRCT dataset of high column (sample 4)", https://doi.org/10.18419/DARUS-2907, DaRUS, V1, UNF:6:ZBzSpg62B7xn5d+OtyUilg== [fileUNF]

This dataset contains micro X-ray Computed Tomography (micro-XRCT) data sets (projection, reconstructed, and segmented images) from a sintered glass beads column packing with enzymatically induced carbonate precipitation. The prepared sintered glass beads column sample has a diameter of about 5 mm and a length of 10 mm. It consists of glass beads w...

Enzymatically induced carbonate precipitation and its effect on capillary pressure-saturation relations of porous media - micro-XRCT dataset of medium column (sample 3)

Jul 11, 2022 - Publication: Enzymatically induced carbonate precipitation

Ruf, Matthias; Hommel, Johannes; Steeb, Holger, 2022, "Enzymatically induced carbonate precipitation and its effect on capillary pressure-saturation relations of porous media - micro-XRCT dataset of medium column (sample 3)", https://doi.org/10.18419/DARUS-2906, DaRUS, V1, UNF:6:jlP3pZtBY1BpGYRex5PnqA== [fileUNF]

micro-XRCT data sets of subflorescent salt crusts from evaporation of MgSO4 solution with 0.96 mol/L initial concentration

Sep 9, 2021 - Publication: Porosity and Permeability of Subflorescent Salt Crusts Formed by Evaporation From Porous Media

Ruf, Matthias; Lee, Dongwon; Piotrowski, Joseph; Huisman, Johan Alexander; Steeb, Holger, 2021, "micro-XRCT data sets of subflorescent salt crusts from evaporation of MgSO4 solution with 0.96 mol/L initial concentration", https://doi.org/10.18419/DARUS-2003, DaRUS, V1

This data set contains data of scans of three separated dry salt crusts that formed by evaporation of magnesium sulfate solution with 0.96 mol/L initial concentration from F32 quartz sand at 40%, 30%, and 25% saturation inside the sand packing. The cylindrical sample holder from polymethyl methacrylat (PMMA) had a diameter of 31 mm and a wall thick...

micro-XRCT data sets of subflorescent salt crusts from evaporation of MgSO4 solution with 0.32 mol/L initial concentration

Sep 9, 2021 - Publication: Porosity and Permeability of Subflorescent Salt Crusts Formed by Evaporation From Porous Media

Ruf, Matthias; Lee, Dongwon; Piotrowski, Joseph; Huisman, Johan Alexander; Steeb, Holger, 2021, "micro-XRCT data sets of subflorescent salt crusts from evaporation of MgSO4 solution with 0.32 mol/L initial concentration", https://doi.org/10.18419/DARUS-2002, DaRUS, V1

This data set contains data of scans of three separated dry salt crusts that formed by evaporation of magnesium sulfate solution with 0.32 mol/L initial concentration from F32 quartz sand at 40%, 30%, and 20% saturation inside the sand packing. The cylindrical sample holder from polymethyl methacrylat (PMMA) had a diameter of 31 mm and a wall thick...

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