Table 1 Details of the simulation domains for mono-disperse sphere packing, bi-disperse sphere packing, and tri-disperse sphere packing (ds is the diameter of the spheres used in the packing shown in Fig. 1).

From: Prediction of the aggregation rate of nanoparticles in porous media in the diffusion-controlled regime

Porous media

Grid points

Size (µm3)

Porosity (%)

Structure

Hydraulic diameter (µm)

Mono-disperse

401 × 401 × 401

418.9 × 418.9 × 418.9

37

40 spheres (ds = 130.3 µm)

51.3

Bi-disperse

501 × 501 × 501

428.2 × 428.2 × 428.2

35

60 spheres (ds = 115.2 µm)

30 spheres (ds = 57.6 µm)

39.7

Tri-disperse

501 × 501 × 501

432.9 × 432.9 × 432.9

34

30 spheres (ds = 130 µm)

30 spheres (ds = 97.5 µm)

30 spheres (ds = 65 µm)

39.1