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The present paper will concentrate on an extensive investigation of machine cut acetal gear wear and thermal mechanical contact behaviour. The results for machine cut acetal gears will be compared to previously published results obtained for polymer gears manufactured through injection moulding. The machine cutting manufacturing process can be economical for small batch runs due to the expense of...
In the second part of this two-part study, molecular dynamics simulations are performed for a fluid of spherical molecule in Couette flow. The simulation uses the same system as that in Part 1, but with the top wall translating in the x direction to generate a Couette flow. The shear equivalent viscosity η es of a fluid is found to increase as film thickness decreases. The dependence...
In this two part study, molecular dynamics simulation of Poiseuille and Couette flow has been performed for a fluid of spherical molecules to examine its theological properties in thin film lubrication. As the first part of the study, the present paper describes the method and geometry of the simulation and presents simulation results of Poiseuille flow. The results show that the equivalent viscosity...
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