Finite Element Modeling of Engagement of Rough and Grooved Wet Clutches

摘要: A finite element model has been developed to investigate the engagement of rough, grooved, paper-based permeable wet clutches. The (Galerkin) approach was used discretize modified Reynolds and force balance equations, solution domain geometry described using an isoparametric formulation. Surface roughness effects were modeled via Patir Cheng (1978) average flow model, while asperity load sharing calculated Greenwood Williamson (1966) approach. applied load, friction material permeability, groove size on characteristics clutches (i.e., torque, pressure, time, film thickness). results indicate that width significantly influence characteristics. Higher facing pressures increase peak torque decrease time. permeability decreases time but dramatically increases torque. Wider grooves Groove depth does not affect for this model.