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Updated: Dec 19, 2025

The Diffusion of Passive Tracers in Laminar Shear Flow
Published on: May 1, 2018
Extended source model for diffusive coupling
Héctor O González-Ochoa1, Roberto Flores-Moreno2, Luz M Reyes3
1Departamento de Electrónica, Universidad de Guadalajara. Av. Revolución 1500, 44430, Guadalajara Jal, Mexico. hector.tnh@gmail.com.
Abstract:
Motivated by the prevailing approach to diffusion coupling phenomena which considers point-like diffusing sources, we derived an analogous expression for the concentration rate of change of diffusively coupled extended containers. The proposed equation, together with expressions based on solutions to the diffusion equation, is intended to be applied to the numerical solution of systems exclusively composed of ordinary differential equations, however is able to account for effects due the finite size of the coupled sources.
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