Physics – Geophysics
Scientific paper
Nov 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002georl..29v..32c&link_type=abstract
Geophysical Research Letters, Volume 29, Issue 22, pp. 32-1, CiteID 2075, DOI 10.1029/2002GL015196
Physics
Geophysics
6
Physical Properties Of Rocks: Fracture And Flow, Physical Properties Of Rocks: Permeability And Porosity, Hydrology: Groundwater Hydrology, Hydrology: Groundwater Transport, Mathematical Geophysics: Modeling
Scientific paper
We present high-resolution computations to demonstrate the influence of the tip-region flow field on dissolution finger morphology in variable aperture fractures. Linear fingers are observed for small values (<0.1) of the coefficient of variation of the aperture field, whereas for larger values, fingers exhibit significant branching and winding. A consequence of this behavior is that finger breakthrough times vary non-monotonically with the coefficient of variation of the aperture field. This non-monotonicity is a robust feature across almost all realizations for in-plane fracture dimensions > about 25 × 25 correlation lengths.
Cheung Wendy
Rajaram Harihar
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