Waterfall Algorithm as a tool of investigation the geometrical features of granular porous media

Abstract The paper describes the so-called Waterfall Algorithm, which may be used to calculate a set of parameters characterising spatial structure granular porous media, such as shift ratio, collision density consolidation path length and minimum tortuosity. study is performed for 1800 different two-dimensional random pore structures. In each geometry, 100 individual paths are calculated. impact porosity particle size on above-mentioned investigated. It was stated in paper, that tortuosity calculated by Algorithm cannot directly representative channels Kozeny or Carman meaning. However, it indirect making assumption unambiguous relationship between exists. also stated, new defined present sensitive therefore applied indicators geometry media. compared with other methods determining tortuosity: A-Star Path Searching Random Walk technique, Tracking Method methodology calculating hydraulic based Lattice Boltzmann Method. A very short calculation time main advantage what meant, large