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RISModeling Polysiloxane Volume and Viscosity Variations With Molecular Structure and Thermodynamic State
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Siloxanebased polymers (polysiloxanes) exhibit a range of volume, viscosity, and pressureviscosity behaviors that are strongly influenced by the macromolecular structure. In this report, a combination of extant rheological ...
Correlation of Polysiloxane Molecular Structure to Shear Thinning Power Law Exponent Using Elastohydrodynamic Film Thickness Measurements
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Siloxanebased polymers (polysiloxanes) are susceptible to temporary shearthinning that manifests as a reduction of elastohydrodynamic film thickness with increasing entrainment speed or effective shear rate. The departure ...
Generalized MEMT-Field Reynolds Equation With Application to Electric Polarization in Lubrication
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. Lubricants used in electrically powered machinery, such as electric vehicles (EVs) and wind turbines, operate under complex mechanical, electric, magnetic, and thermal (MEMT) environments that can significantly ...
Investigation of Shear-Thinning Behavior on Film Thickness and Friction Coefficient of Polyalphaolefin Base Fluids With Varying Olefin Copolymer Content
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study investigates the rheological properties, elastohydrodynamic (EHD) film-forming capability, and friction coefficients of low molecular mass poly-α-olefin (PAO) base stocks with varying contents of high molecular ...