Fig. 2: Lift-velocity profile of a neutral swimmer.
From: How inertial lift affects the dynamics of a microswimmer in Poiseuille flow

Inertial lift-velocity profiles of a source–dipole or neutral microswimmer for different orientation angles ψ for moderate flow speed \({\bar{v}}_{m}=6\), κ = 0.1, and xeq = ±0.65.