Physics
Scientific paper
Nov 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001georl..28.4299s&link_type=abstract
Geophysical Research Letters, Volume 28, Issue 22, p. 4299-4302
Physics
7
Hydrology: Groundwater Hydrology, Hydrology: Groundwater Transport
Scientific paper
The 3D lattice Boltzmann (LB) method was used to model mixing at three types of continuous fracture intersections: planar, fluted (containing parallel grooves), and rough-walled. Peclet number (Pe) varied from 3 to 400, and Reynolds number (Re) varied from 0.5 to 100. In both planar-and rough-walled intersections, the mixing ratio (Mr) decreases with increasing Pe, though the decrease is less dramatic for the rough-walled geometry. In planar-walled intersections, the Mr decreases with increasing Re; however, the fluted and rough-walled intersections show the opposite trend. Overall, the impact of inertial effects is slight for Re <= 10. The effects of channel length are also small; the calculated Mr varies little for LB simulations with length/width >= 1.
Brown Stephen R.
Johnson Joel
Stockman Harlan W.
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