Ertel-1955
General Topics

On the history of elastohydrodynamics

Here we present an abstract to a paper devoted to the history of eastohydrodynamic theory and his founder – Alexander Mohrenstein-Ertel. This paper discusses in detailes the peculiar biography of the scientist and the early years of the […]

General Topics

White etching cracks

Today, bearing failure due to rolling contact fatigue is generally a rare occurrence, and the final achieved service life of rolling bearings is usually well in excess of the calculated rating life. There are instances, […]

http://elvasomediolleno.guru/wp-content/uploads/2015/01/enregiass.jpeg
General Topics

Keeping the Wind in Your Sails

Just like any mechanical device, a wind energy system needs timely, appropriate lubrication in order to function reliably and predictably. Wind turbines routinely withstand extremely demanding conditions: vibration, high mechanical loads, contamination and moisture are […]

climber friction rock chalk
General Topics

Friction: The Key to Rock Climbing

This article explains the vital role Friction has to play in Rock Climbing. Thanks to Richard Jones and Glen Harding for their input. Friction is the magic ingredient in bouldering and rock climbing. It’s what […]