Wiki Tag: viscosity index formula

Oil Viscosity Index and Viscosity Temperature Relation

19.09.2019 tribonet

Temperature – Viscosity Relation Viscosity is a measure of a lubricating oil’s resistant to flow. It is well-known from Hydrodynamic Lubrication Theory that viscosity plays a central role in the lubrication regime encountered in the […]

Small flying robots pull objects up to 40 times their weight using adhesion

03.12.2018

Researchers from EPFL and Stanford have developed small drones that can land and then move objects that are 40 times their weight, with the help of powerful winches, gecko adhesives and microspines. A closed door [...]
Triboelectric nanogenerator to harvest energy from rain droplets

23.03.2018

Despite the numerous advances in solar cells, one thing remains constant: cloudy, rainy conditions put a damper on the amount of electricity created. Now researchers reporting in the journal ACS Nano have developed hybrid solar [...]
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Friction in Only One Direction

07.07.2019

Nature has amazed us since the beginning of time. It provides the foundation for all of our best ideas. The animal world provides the inspiration behind one of the new inventions in the world of [...]
Tribology and Electric Vehicles

03.06.2019

Electric Vehicles Through the Years Electric vehicles, while often considered a new phenomenon, have existed since the 1800s. At that point in time, electric vehicles outnumbered gasoline powered vehicles for many reasons. Electric vehicles did [...]
Researchers discover surface of 'ultra-smooth' nanomaterial steeper than Austrian Alps

17.01.2019

People can usually tell if something is rough or smooth by running their fingers along its surface. But what about things that are too small or too big to run a finger over? The earth [...]