Sökning: "elastohydrodynamic"
Visar resultat 1 - 5 av 32 avhandlingar innehållade ordet elastohydrodynamic.
1. Elastohydrodynamic lubrication : interferometric measurements, lubricant rheology and subsurface stresses
Sammanfattning : .... LÄS MER
2. Transient elastohydrodynamic lubrication : Effects of geometry, surface roughness, temperature, and plastic deformation
Sammanfattning : The urgent need to reduce greenhouse gas emissions in combination with an increased use of sustainable energy resources have led to immense efforts on improving energy efficiency of mechanical systems. Consequently, modern machine elements are typically lubricated with low viscosity oils and designed to endure an increasingly high power density. LÄS MER
3. Water-based hydraulic fluids : rheology and elastohydrodynamic lubrication
Sammanfattning : Experiments have been carried out to measure traction, antiwear and rheological properties of water-based hydraulic fluids. Four types of fluids have been examined, emulsions, micro-emulsions, synthetic solutions and water-glycols. LÄS MER
4. Friction in Elastohydrodynamic Lubrication
Sammanfattning : Today, with increasing demands on industry to reduce energy consumption and emissions, the strive to increase the efficiency of machine components is maybe bigger than ever. This PhD thesis focus on friction in elastohydrodynamic lubrication (EHL), found in, among others, gears, bearings and cam followers. LÄS MER
5. Grease in elastohydrodynamic lubrication
Sammanfattning : The rheology of soap thickened greases has been investigated in a cone and plate rheometer and a model that includes base oil viscosity and temperature has been suggested and fitted to the results. With the use of a bouncing ball apparatus, the pressure coefficient of the limiting shear stress of the greases was determined. LÄS MER