Numerical Simulation of the Spatial Distribution of Mean Residence Time in Complex Flows through Porous Media

概要

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In this paper, a numerical method for obtaining theoretical predictions of mean residence time spatial distributions in flows through porous media is presented. The simulation sequence consists in solving first continuity and momentum conservation equations, possibly coupled with turbulence quantities transport equations, using the finite volume method. Once the flow configuration is calculated, the simulation consists in solving the additional transport equation of a passive scalar, the local mean age of the fluid, which is the average time that takes a fluid particle to reach any point of a domain from a supply inlet. The result obtained is a spatial distribution of the local mean age of the fluid, which may be displayed as isocontours in the space domain considered.
理論物理学刊行会の論文
2000-04-28