A	surface
a	distance between particle centers
b	distance between particle surfaces
c	fit parameter in Equation (16)
CFD	Computational Fluid Dynamics
$corr$	corrected
D	diffusion constant
DEM	Discrete Element Method
DPD	Dissipative Particle Dynamics
e	fit parameter in Equation (16)
$exp$	experimental
F	force
$fl$	fluid
H	Hamaker constant
h	Planck constant
$k_B$	Boltzmann constant
m	fit parameter in Equation (16)
$\overline{m}$	momentum flux tensor
MD	Molecular Dynamics
n	refractive index
$norm$	normalized
$Pe$	Péclet number
r	radius
$sim$	simulated
$SP$	single particle
T	temperature
V	volume
$vdW$	van der Waals
W	potential
$x_{50,3}$	median particle size of a volume-weighted (3) particle size distribution