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Incidence of the particle size over the tortuosity in a porous medium using the lattice Boltzmann method

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Author

Summary, in English

Tortuosity is a measure of the geometric complexity of the porous media. Knowing the tortuosity value of the porous media is helpful to get detailed information about the fluid behavior at microscale. In order to calculate the tortuosity, the velocity field of the fluid troughthe porous media is determined using the lattice Boltzmann method (LBM). The particle size of the obstacles is varied, keeping the porosity of the material as a constant. As a result, a relationship to determine the particle diameter as a function of the number of particles for a specific porosity value is given, and the dependence of the tortuosity with respect to the main flow direction is demonstrated.

Publishing year

2016-01-12

Language

English

Pages

47-47

Document type

Conference paper: abstract

Topic

  • Energy Engineering

Keywords

  • Lattice Boltzmann method
  • porosity
  • Tortuosity
  • Porous media
  • particle size

Conference name

Flowing Matter 2016

Conference date

2016-01-11 - 2016-01-15

Conference place

Porto, Portugal

Status

Published