ABSTRACT
Abstract .................................................................................................................... 35 2.1 Introduction ....................................................................................................36 2.2 Materials and Methods ................................................................................... 37
2.2.1 Normal Forces Measurement.............................................................. 37 2.2.2 Surfaces Preparation and Mounting ................................................... 41 2.2.3 Friction Forces and Contact Trajectory Measurements ...................... 41
2.3 Results ............................................................................................................. 42 2.3.1 Effect of Twist Angle θ ....................................................................... 42 2.3.2 Evidence of Off-Axis Motion Induced by Fluid Structure Formation ... 43
2.4 Conclusions ..................................................................................................... 47 References ................................................................................................................48