Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Physics of Fluids
6 (1994), S. 108-117
ISSN:
1089-7666
Source:
AIP Digital Archive
Topics:
Physics
Notes:
The dispersion of a passive tracer in fluid flowing between a source and a sink in a Hele–Shaw geometry, characteristic of field scale flows in a layer or fracture, is considered. A combination of analytic and numerical techniques and complementary experimental measurements are employed, leading to a consistent picture. This dispersion process is found to be characterized by a power-law decay in time of the tracer concentration, with an exponential cutoff at very long times, in strong contrast to the Gaussian behavior associated with the widely used quasi-one-dimensional (1-D) models.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.868075
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