A.P. Kaestner
Recent developments in neutron imaging with applications for porous media research
Kaestner, A.P.; Trtik, P.; Zarebandkouki, M.; Kazantsev, D.; Snehota, M.; Dobson, K.J.; Lehmann, E.H.
Authors
P. Trtik
M. Zarebandkouki
D. Kazantsev
M. Snehota
K.J. Dobson
E.H. Lehmann
Abstract
Computed tomography has become a routine method for probing processes in porous media, and the use of neutron imaging is especially suited to the study of the dynamics of hydrogenous fluids, and of fluids in a high-density matrix. In this paper we give an overview of recent developments in both instrumentation and methodology at the neutron imaging facilities NEUTRA and ICON at the Paul Scherrer Institut. Increased acquisition rates coupled to new reconstruction techniques improve the information output for fewer projection data, which leads to higher volume acquisition rates. Together, these developments yield significantly higher spatial and temporal resolutions, making it possible to capture finer details in the spatial distribution of the fluid, and to increase the acquisition rate of 3-D CT volumes. The ability to add a second imaging modality, e.g., X-ray tomography, further enhances the feature and process information that can be collected, and these features are ideal for dynamic experiments of fluid distribution in porous media. We demonstrate the performance for a selection of experiments carried out at our neutron imaging instruments.
Citation
Kaestner, A., Trtik, P., Zarebandkouki, M., Kazantsev, D., Snehota, M., Dobson, K., & Lehmann, E. (2016). Recent developments in neutron imaging with applications for porous media research. Solid Earth, 7(5), 1281-1292. https://doi.org/10.5194/se-7-1281-2016
Journal Article Type | Article |
---|---|
Acceptance Date | Jul 11, 2016 |
Online Publication Date | Sep 6, 2016 |
Publication Date | Sep 6, 2016 |
Deposit Date | May 5, 2016 |
Publicly Available Date | Oct 13, 2016 |
Journal | Solid Earth and Discussions |
Print ISSN | 1869-9510 |
Electronic ISSN | 1869-9529 |
Publisher | European Geosciences Union |
Peer Reviewed | Peer Reviewed |
Volume | 7 |
Issue | 5 |
Pages | 1281-1292 |
DOI | https://doi.org/10.5194/se-7-1281-2016 |
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http://creativecommons.org/licenses/by/4.0/
Copyright Statement
© Author(s) 2016. This work is distributed
under the Creative Commons Attribution 3.0 License.
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