frictional energy dissipation

How do phonons lead to frictional energy dissipation?

18.12.2019 tribonet 743 Views

Friction is often associated with the generation of vibrations in the solids that are sliding over each other. Mathematically, these vibrations are described by the phonons in the two solids, the vibrational eigenmodes. Here, we […]

Generating Electricity From Snowfall

17.06.2019 429 Views
It is interesting to know that researchers from the University of California, Los Angeles (UCLA) have come up with an innovative device that can generate electricity from the snow we are all familiar with. Nothing [...]
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Sediments Act As Lubricants for Plate Tectonics

09.09.2019 428 Views
Plate tectonics explains the features and movement of the Earth’s surface both in the present and in the past. It is the theory that the outer shell of Earth is divided into many plates (including [...]
Small flying robots pull objects up to 40 times their weight using adhesion

03.12.2018 405 Views
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 [...]
Tribology to analyze wine mouthfeel

13.12.2018 502 Views
Researchers at the University of California, Davis, are investigating whether an analytical technique to measure friction between two surfaces can provide better understanding of wine sensory perception related to astringency and mouthfeel. Mouthfeel is an [...]
In Situ Nanopolishing (ISN): A New Lubrication Paradigm Aimed at Permanent Surface Perfection

23.04.2016 3,368 Views
All conventional lubricants borne of classic hydrodynamic theory are designed to provide lubricity. Inherent in the desire to provide lubricity to mechanical systems is the desire to protect the interacting metal surfaces from wear. Much [...]