  We explore the impact of hydrodynamic interactions on the conformational and
dynamical properties of wet tangentially-driven active polymers using
multiparticle collision dynamics simulations. By analyzing active filaments
with varying degrees of flexibility, we find that fluid-mediated interactions
significantly influence both their conformation and dynamics. These
interactions cause polymer conformations to shrink, especially for semiflexible
polymers at high activity levels, where the average size of wet chains becomes
nearly three times smaller, due to formation of helix-like structures. This
hydrodynamic-induced shrinkage is a hallmark of active polymers, as
fluid-mediated interactions have a minimal effect on the mean conformation of
passive polymers. Furthermore, for tangentially-driven polymers where activity
and conformation are coupled, hydrodynamic interactions significantly enhance
the orientational and translational dynamics compared to their dry
counterparts.
