Cai, J., Liang, Y., Liu, S., Drews, P., Killer, C., Knieps, A., Li, Y., Henkel, M., Nicolai, D., Satheeswaran, G., Höschen, D., Hiller, A., & W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society (2018). Measurements of the radial ion flow velocity profile using the multichannel Mach probe in the boundary plasma of the W7-X stellarator. Poster presented at 45th EPS Conference on Plasma Physics, Prague.