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Read this article from a comprehensive knowledge base, updated and supplemented with articles reviewed by scientific committees.
Read the articleAUTHORS
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Jean ANDRZEJEWSKI: Professor at the École Supérieure de l'Énergie et des Matériaux, University of Orléans - Director, Mechanics and Energetics Laboratory
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Jean-Christophe BERGE: Vocational high school teacher at École Supérieure de l'Énergie et des Matériaux
INTRODUCTION
A fundamental principle universally adopted is that of energy conservation. According to this principle, the appearance of a given type of energy cannot result from a phenomenon of "spontaneous creation" of energy, and can only result from a process of transformation of one form of energy into another.
Work is not in itself a form of energy, but the manifestation of a transformation or transfer of energy.
The quantity representing the speed at which work is carried out is power, which is essential for many applications.
This article describes the main work and power measurement procedures.
The reader will find in the volume Generalities in
The Ultimate Scientific and Technical Reference
This article is included in
Mechanical and dimensional measurements
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Work and mechanical power
General
Manufacturers (non-exhaustive list)
For manufacturers of dynamometers and torquemeters, please see in
Hydraulic brakes, Eddy current brakes
Carl Schenck http://www.csd.de
Zôllner and Co
Borghi
Torquemeters
TME (Techniques de mesure d'extensiométrie) http://www.tme-france.com...
The Ultimate Scientific and Technical Reference
