elastohydrodynamic Archives

What is EHD film thickness?

23.09.2020 TriboNet

Surprisingly, when two lubricated solids are heavily loaded against one another and when a motion is applied to the solids surfaces, these two solids may not be touching one another (see Figure 1, left)! This […]

Elastohydrodynamic Lubrication (EHL): Theory and Definition

05.02.2017 Manoj Rajankunte Mahadeshwara

What is Elastohydrodynamic Lubrication (EHL)? Elastohydrodynamic Lubrication – or EHL – is a lubrication regime (a type of hydrodynamic lubrication (HL)) in which significant elastic deformation of the surfaces takes place and it considerably alters […]

Simulations explain why the ice is so slippery

21.05.2018

Everybody knows that sliding on ice or snow, is much easier than sliding on most other surfaces. But why is the ice surface slippery? This question has engaged scientists for more than a century and [...]
Contact Pressure For Rough Surfaces: A Tutorial

08.11.2017

Update 13-02-2022: Currently, a cloud based tool for the calculation described below is available. Please refer to the example given here. In this article, a calculation of contact pressure in a rough contact is discussed. [...]
An Engineered Salvinia-like Slippery Surface

01.02.2021

The surface properties of materials are often critical because they dictate how they react with their external environment. An important property currently under intense investigation is how surfaces interact with liquids like water. In a [...]
Need for AI in Tribology

16.07.2024

Table of Contents IntroductionEarly ResearchApplication of AI in different Tribology researchReference Introduction Artificial intelligence (AI) has impressive learning capabilities and rapid processing speeds which offers significant support to researchers by quickly identifying valuable patterns, trends, [...]
Wear in nanoscale: optimum AFM tip roughness

07.03.2016

Wear is a gradual removal of the material of the bodies during their interaction. The process appears in many mechanical systems, ranging from large scales, as in wind mills, to nanoscales, as in the AFM [...]