- 99-20 Jinqiao Duan, H. Gao, James Brannan
- Nonlocal Dynamics of Passive Tracer Dispersion with Random Stopping
(649K, PostScript)
Jan 21, 99
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Abstract. We investigate the nonlocal behavior
of passive tracer dispersion with random stopping at various sites
in fluids.
This kind of dispersion processes is modeled by an integral
partial differential equation, i.e., an advection-diffusion equation
with a memory term. We have shown the exponential decay of the
passive tracer concentration, under suitable conditions for the
velocity field and the probability distribution of random stopping time.
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