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The network topology is adopted in this paper to put forward a kind of simplified model of gas diffusion electrode. Liquid micro distribution map and the relationship between the probability of liquid getting through and hydrophilic property are obtained by numerical modeling calculation. It is revealed that how liquid penetrate medium in the graph. The result shows that the topology of the network model is suitable for describing micro permeation problem.
This paper investigates a method to describing the
porous medium, which is simplifying the pore part of porous medium into network
structure model consist of node and pipeline. We simulate seepage flow of water
and air in porous medium through this model, obtain the figures of gas-liquid
distribution when steady, and cipher out the probability of that water flows
through the whole medium.