URI | http://purl.tuc.gr/dl/dias/9E69919A-0EF0-4B7F-B354-22E20E18E0AD | - |
Αναγνωριστικό | https://doi.org/10.1023/A:1021952226861 | - |
Γλώσσα | en | - |
Μέγεθος | 21 pages | en |
Τίτλος | Transport of neutrally buoyant and dense
variably sized colloids in a two-dimensional
fracture with anisotropic aperture | en |
Δημιουργός | Chrysikopoulos Constantinos | en |
Δημιουργός | Χρυσικοπουλος Κωνσταντινος | el |
Δημιουργός | Scott C James | en |
Περίληψη | The transport of monodisperse as well as polydisperse colloid suspensions in a twodimensional,
water saturated fracture with spatially variable and anisotropic aperture is investigated
with a particle tracking model. Both neutrally buoyant and dense colloid suspensions are considered.
Although flow and transport in fractured subsurface formations have been studied extensively by
numerous investigators, the transport of dense, polydisperse colloid suspensions in a fracture with
spatially variable and anisotropic aperture has not been previously explored. Simulated snapshots and
breakthrough curves of ensemble averages of several realizations of a log-normally distributed aperture
field show that polydisperse colloids exhibit greater spreading than monodisperse colloids, and
dense colloids show greater retardation than neutrally buoyant colloids. Moreover, it is demonstrated
that aperture anisotropy oriented along the flow direction substantially increases colloid spreading;
whereas, aperture anisotropy oriented transverse to the flow direction retards colloid movement. | en |
Τύπος | Peer-Reviewed Journal Publication | en |
Τύπος | Δημοσίευση σε Περιοδικό με Κριτές | el |
Άδεια Χρήσης | http://creativecommons.org/licenses/by/4.0/ | en |
Ημερομηνία | 2015-09-19 | - |
Ημερομηνία Δημοσίευσης | 2003 | - |
Βιβλιογραφική Αναφορά | C. V. Chrysikopoulos, S. C. James, "Transport of neutrally buoyant and dense variably sized colloids in a two-dimensional
fracture with anisotropic aperture " ,Tran.in Por. Med.,vol. 51,no.2 ,pp.191–210, 2003.doi:10.1023/A:1021952226861 | en |