The Stribeck effect describes the velocity dependence of the friction coefficient between moving components [9]. In the case of an axially translating tape, supported by a roller, air entrainment can cause reduction in the contact pressure, and hence in the tractive capacity of the interface [5]. Grooved rollers are used to prevent excessive built-up of air pressure [6,7,8,1,2]. In this work, tribology and mechanics of a tape-grooved-roller interface is modeled in order to investigate the traction as a function of tape speed, tension and groove size.

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