Dataset for 4D imaging of two-phase flow in porous media using laboratory-based micro-Computed Tomography. It provides the raw computed tomography scans of two-phase fluid flow in two porous media, a Bentheimer sample and a glass beadpack sample. The abstract of the manuscript follows:
Dynamic three-dimensional computed tomography (CT) imaging of liquid transport in porous media has primarily been conducted at high brilliance synchrotrons thus allowing fast, sometimes sub-second, temporal resolution to be obtained. University laboratory CT instruments lack the photon flux available at synchrotrons, limiting the obtainable spatiotemporal resolution. Here, we discuss our experiences with instrumentation and software methods to conduct time-resolved micro-computed tomography (4D-CT) experiments of flow in porous media, based on a conventional CT instrument operated with a highly undersampled number of projections. An experimental stage outfitted with syringe pumps placed on a slip ring allowed two-phase flow experiments to be carried out with continuous unidirectional rotation and without obstruction of the liquid supply lines. An iterative reconstruction algorithm based on a priori information was used to provide high image quality and ~30 s time resolution despite the few and low-exposed projections compared to standard protocols. The experimental technique was demonstrated with imbibition and drainage in glass bead-pack and Bentheimer sandstone samples with sub-minute temporal resolution, allowing the liquid configurations just before and after fast dynamic phenomena such as cooperative pore-filling events and Haines jumps to be captured. Power law scaling exponents for burst volumes associated with imbibition and drainage were estimated and compared with the literature. That 4D-CT experiments can be carried out using conventional CT instruments to challenge contemporary permeability models is of high importance for many geo-, bio- and environmental physics challenges.
CC0 1.0
Use email button above to contact.
Our Community Norms as well as good scientific practices expect that proper credit is given via citation. Please use the data citation shown on the dataset page.
This file has already been deleted (or replaced) in the current version. It may not be edited.
Restricting limits access to published files. People who want to use the restricted files can request access by default. If you disable request access, you must add information about access to the Terms of Access field.
The selected file or files have already been published. Contact an administrator to change the embargo date or reason of the file or files.
The selected file or files have already been published. Contact an administrator to change the retention period date or reason of the file or files.
The file will be deleted after you click on the Delete button.
Files will not be removed from previously published versions of the dataset.
Please select one or more files.
Share this dataset on your favorite social media networks.
Citations for this dataset are retrieved from Crossref via DataCite using Make Data Count standards. For more information about dataset metrics, please refer to the User Guide.
The selected file(s) may not be downloaded because you have not been granted access or the file(s) have a retention period that has expired or the files can only be transferred via Globus.
You may request access to any restricted file(s) by clicking the Request Access button.
The selected file(s) may not be transferred because you have not been granted access or the file(s) have a retention period that has expired or the files are not Globus accessible.
The files selected are too large to download as a ZIP.
You can select individual files that are below the 4.7 GB download limit from the files table, or use the Data Access API for programmatic access to the files.
Please select a file or files to be downloaded.
The selected file(s) may not be downloaded because you have not been granted access or the file(s) have a retention period that has expired.
Click Continue to download the files you have access to download.
Some file(s) cannot be transferred. (They are restricted, embargoed, with an expired retention period, or not Globus accessible.)
Click Continue to transfer the elligible files.
Are you sure you want to delete this dataset and all of its files? You cannot undelete this dataset.
Are you sure you want to delete this draft version? Files will be reverted to the most recently published version. You cannot undelete this draft.
Private URL can only be used with unpublished versions of datasets.
Are you sure you want to disable the Private URL? If you have shared the Private URL with others they will no longer be able to use it to access your unpublished dataset.
The file(s) will be deleted after you click on the Delete button.
This dataset contains restricted files you may not compute on because you have not been granted access.
Are you sure you want to deaccession? This is permanent and the selected version(s) will no longer be viewable by the public.
Are you sure you want to deaccession this dataset? This is permanent an it will no longer be viewable by the public.
Please select two versions to view the differences.
Please select a file or files for access request.
Embargoed files cannot be accessed. Please select an unembargoed file or files for your access request.
Select existing file tags or create new tags to describe your files. Each file can have more than one tag.
You need to Log In to request access.
Please confirm and/or complete the information needed below in order to request access to files in this dataset.
This dataset is made available under the following terms. Please confirm and/or complete the information needed below in order to continue.
Upon downloading files the guestbook asks for the following information.
Account Information
Use the Download URL in a Wget command or a download manager to download this package file. Download via web browser is not recommended. User Guide - Downloading a Dataverse Package via URL
https://dataverse.no/api/access/datafile/
You will not be able to make changes to this dataset while it is in review.
Are you sure you want to republish this dataset?
Select if this is a minor or major version update.
This dataset cannot be published until NTNU – Norwegian University of Science and Technology is published by its administrator.
This dataset cannot be published until NTNU – Norwegian University of Science and Technology and DataverseNO are published.
Return this dataset to contributor for modification.
DataverseNO Support
Please fill this out to prove you are not a robot.
