Physics
Scientific paper
Jun 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997georl..24.1515s&link_type=abstract
Geophysical Research Letters, Volume 24, Issue 12, p. 1515-1518
Physics
13
Hydrology: Groundwater Hydrology, Hydrology: Groundwater Transport, Physical Properties Of Rocks: Fracture And Flow, Physical Properties Of Rocks: Transport Properties
Scientific paper
The lattice-gas automata and lattice Boltzmann (BGK) methods were used to estimate the mixing of fluid streams at a continuous fracture junction, for Peclet number (Pe) from 0 to 1547. Agreement with experimental results is good, particularly at Pe<=25. At low Pe, a large fracture length/width is needed to obtain accurate mixing ratios (Mr). For a 90° intersection of two fractures with equal widths and flow rates, Mr approaches 0.5 (complete mixing) at Pe~1. At the highest Pe studied, Mr=0.022, in contrast with the streamline routing prediction Mr=0.
Li Chunhong
Stockman Harlan W.
Wilson John L.
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