Modeling of Transient Three-dimensional Water Flow through Undisturbed Soil Sample Using Information from Magnetic Resonance and Computed Tomography Imaging
Result description
Preferential flow and air entrapment effects were studied by means of recurrent ponded infiltration experiment on small undisturbed heterogeneous soil column. Innovative use of two non-invasive visualization methods (nuclear magnetic resonance and computed tomography) provided excellent dataset for detailed qualitative and quantitative analysis of these effects. In our study, the information from CT imaging was used to simulate transient water flow in three-dimensional heterogeneous porous system. The spatial variability of the hydraulic conductivity was introduced by simple scaling technique coupled with Kozeny-Carman formula. The results of simulations were compared with the data from the infiltration experiment and signal intensities from magnetic resonance imaging.
Keywords
X-ray computed tomographymagnetic resonance imaging, undisturbed soil columnheterogeneous soilwater flowsoil hydraulic properties, trapped gas phase
The result's identifiers
Result code in IS VaVaI
Result on the web
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DOI - Digital Object Identifier
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Alternative languages
Result language
angličtina
Original language name
Modeling of Transient Three-dimensional Water Flow through Undisturbed Soil Sample Using Information from Magnetic Resonance and Computed Tomography Imaging
Original language description
Preferential flow and air entrapment effects were studied by means of recurrent ponded infiltration experiment on small undisturbed heterogeneous soil column. Innovative use of two non-invasive visualization methods (nuclear magnetic resonance and computed tomography) provided excellent dataset for detailed qualitative and quantitative analysis of these effects. In our study, the information from CT imaging was used to simulate transient water flow in three-dimensional heterogeneous porous system. The spatial variability of the hydraulic conductivity was introduced by simple scaling technique coupled with Kozeny-Carman formula. The results of simulations were compared with the data from the infiltration experiment and signal intensities from magnetic resonance imaging.
Czech name
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Czech description
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Classification
Type
D - Article in proceedings
CEP classification
DA - Hydrology and limnology
OECD FORD branch
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Result continuities
Project
Continuities
S - Specificky vyzkum na vysokych skolach
Others
Publication year
2010
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Article name in the collection
Proceedings of peer-reviewed contributions - 18th International Poster Day
ISBN
978-80-89139-21-7
ISSN
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e-ISSN
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Number of pages
9
Pages from-to
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Publisher name
Ústav hydrológie SAV a Geofyzikální ústav SAV
Place of publication
Bratislava
Event location
Bratislava
Event date
Nov 11, 2010
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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Basic information
Result type
D - Article in proceedings
CEP
DA - Hydrology and limnology
Year of implementation
2010