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. 2020 Aug 1;32(8):083307. doi: 10.1063/5.0021280

TABLE I.

Particle parameters in model validation of turbulent dispersion.

Particle type Hollow glass Corn pollen Glass Copper
Diameter (μm) 46.5 87 87 46.5
Density (kg/m3) 260 1000 2500 8900
Terminal velocity (m/s) 0.017 0.194 0.439 0.479
Relaxation time (s) 0.002 0.020 0.045 0.049