Essays about: "viscosity modifiers"

Found 2 essays containing the words viscosity modifiers.

1. 1. Tribology of newly developed EAL versus water in hydropower turbine bearings

   University essay from Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik

   Author : Nayan Dhakal; [2019]
   Keywords : water-based lubrication; hydropower; turbine bearings; environmentally adaptive lubricants; modified water; viscosity modifiers; polyvinylpyrrolidone; poly sodium 4-styrenesulfonate ; UHMWPE; wear;

   Abstract : The increasing demand for more readily bio-degradable, renewable and non-toxic environmentally adaptive lubricants with a lower degree of bioaccumulation has escalated the investigation of water-based lubricants as the potential alternatives for conventional mineral-based oils. Water is an excellent environmentally adapted lubricant; however, it is a low viscous fluid and holds downsides of having corrosive nature and extremely low pressure-viscosity coefficient leading to insufficient load-carrying capacity. READ MORE

3. 2. Bronze-Steel Friction Characteristics under the Lubrication of Modified Water/Glycerol Mixtures

   University essay from Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik

   Author : Karim Hamouda; [2017]
   Keywords : Glycerol; glycerol additives; stick-slip; shudder; friction modifiers;

   Abstract : Increasing environmental awareness has driven a lot of research to look into various environmentally friendly lubricants which can replace more conventional mineral oil based lubricants. This is true in particular for marine and hydropower applications where the risk of lubricant leakage can be damaging to the local environment. READ MORE