What is it about?
The paper traces the nature of friction and put it into context of modern engineering use. It describes the origin of friction, dry friction, lubricated friction and how friction is measured. It also explain various mechanisms and formulas to describe friction between two sliding surfaces.
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Why is it important?
Friction controls energy efficiency and fuel economy in today's engineering challenges. A clear understanding of what friction is and how it arises is important first step to control it. Parasitic frictional loss also represents an untapped energy for us to use. Finding a way to reduce the parasitic energy loss improves energy efficiency, reduces carbon emission, and protects the environment.
Perspectives
The paper summarizes our effort in friction related research for the past 30 years. It includes a lot unpublished data to create a unified perspective on the nature of friction and how it can be used under various tribological situations.
Professor Stephen M Hsu
Read the Original
This page is a summary of: The nature of friction: A critical assessment, Friction, December 2013, Tsinghua University Press,
DOI: 10.1007/s40544-013-0033-z.
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