2 Model
The authors developed a model to obtain the film thickness and asperity load in the elastohydrodynamic lubrication of rough surfaces for both line contact [12] and point contact [13]. These models are based on the simultaneous solution to the modified Reynolds equation by Patir and Cheng [15], bulk deformation of the surfaces, load balance, and asperity micro-contact equations suggested by Zhao et al. [16] which considers the elastic, elasto-plastic, and plastic deformation of the asperities. Based on these studies, expressions were developed to predict the film thickness and asperity load ratio where each expression is a function of six dimensionless input parameters: load (W), speed (U), material (G), roughness , hardness (V), and ellipticity (κ). These expressions are summarized in Appendix A. For more information about the model, the reader is referred to Refs.
2 ModelThe authors developed a model to obtain the film thickness and asperity load in the elastohydrodynamic lubrication of rough surfaces for both line contact [12] and point contact [13]. These models are based on the simultaneous solution to the modified Reynolds equation by Patir and Cheng [15], bulk deformation of the surfaces, load balance, and asperity micro-contact equations suggested by Zhao et al. [16] which considers the elastic, elasto-plastic, and plastic deformation of the asperities. Based on these studies, expressions were developed to predict the film thickness and asperity load ratio where each expression is a function of six dimensionless input parameters: load (W), speed (U), material (G), roughness , hardness (V), and ellipticity (κ). These expressions are summarized in Appendix A. For more information about the model, the reader is referred to Refs.
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