  Shear-thinning and viscoelasticity are two non-Newtonian fluid properties
widely existing in biological fluids. In this study, we found that the
translation motion of a rotating particle near a wall speed up firstly, and
then slows down with enhancement of fluid viscoelasticity, which is different
from the behavior reported in shear thinning fluid (Chen et al. J. Fluid Mech.
2021, 927). Our research is carried out by numerical simulation of
Navier-Stokes equations combined with Oldroyd-B constitutive model. This work
is expected to be helpful to understand the movement of a rotating sphere near
a wall in complex fluids comprehensively.
