Biofilm physical structure, internal diffusivity and tortuosity

@inproceedings{Melo2005BiofilmPS,
  title={Biofilm physical structure, internal diffusivity and tortuosity},
  author={Luis Fernando Patino Melo},
  year={2005}
}
The paper proposes tortuosity as a physical concept particularly useful to interpret internal diffusivities in terms of biofilm structure. Results from different authors are presented showing how average effective diffusivities in biofilms (measured with inert tracers) vary with the fluid velocity: in the case of biofilms formed under turbulent flow conditions, an increase in fluid velocity corresponds to a decrease in the diffusivity, although sometimes this decrease is very slight; however… CONTINUE READING

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