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FRICTION CINETIQUE [4 records]

Record 1 2016-11-29

English

Subject field(s)
  • General Mechanics (Physics)
DEF

The friction between two surfaces which are sliding over each other.

CONT

Sliding friction. The force needed to keep one solid surface just sliding over another is known as kinetic or dynamic friction. The force which has to be applied to initiate motion is slightly greater and is called static or limiting friction.

OBS

dynamic friction: term and definition standardized by ISO.

French

Domaine(s)
  • Mécanique générale (Physique)
DEF

Frottement qui subsiste pendant le mouvement de glissement à une vitesse donnée.

OBS

frottement dynamique : terme et définition normalisés par l’ISO.

Spanish

Campo(s) temático(s)
  • Mecánica general (Física)
DEF

Fricción que debe ser superada como un "valor límite" al inicio de un movimiento de deslizamiento.

Key term(s)
  • fricción cinética
Save record 1

Record 2 2013-09-19

English

Subject field(s)
  • Energy Transformation
  • Wind Energy
DEF

A power that is harvested by a wind generator but is not transferred to a usable form.

OBS

Losses can be from friction, electrical resistance, or other causes.

French

Domaine(s)
  • Transformation de l'énergie
  • Énergie éolienne
DEF

Énergie récoltée par une génératrice éolienne mais qui ne peut être exploitée.

CONT

Une éolienne ne peut transformer qu'une partie de l'énergie cinétique d’une masse d’air en électricité. En plus, dans le générateur, il y a des pertes par friction.

OBS

Les pertes peuvent être occasionnées par des problèmes de friction, de résistance électrique ou toute autre cause.

Spanish

Campo(s) temático(s)
  • Transformación de la energía
  • Energía eólica
Save record 2

Record 3 2010-02-01

English

Subject field(s)
  • Textile Industries
  • Engineering Tests and Reliability
CONT

Friction is the resistance force, or drag, that arises when a material surface slips over another surface. Coefficient of friction is a measurement of the slip level between two adjacent film surfaces ... The maximum force required to initiate sliding is referred to as the static coefficient of friction. Once sliding has commenced, the minimum force required to maintain slippage is called the kinetic coefficient of friction.

Key term(s)
  • coefficient of kinetic friction
  • kinetic friction coefficient

French

Domaine(s)
  • Industries du textile
  • Fiabilité, contrôle et essais (Ingénierie)
CONT

La friction est la résistance qui se produit lorsqu'une surface d’un matériau glisse sur la surface d’un autre. Le coefficient de friction est la mesure du niveau de glissement entre ces deux surfaces. La force initiale pour amorcer le glissement s’appelle le coefficient de friction statique tandis que la force nécessaire pour continuer ce même glissement s’appelle le coefficient de friction cinétique.

Spanish

Save record 3

Record 4 1998-05-07

English

Subject field(s)
  • Lubrication Technology
  • Physics of Solids
DEF

The ratio of the frictional force, parallel to the surface of contact, that opposes the motion of a body which is sliding or rolling over another, to the force, normal to the surface of contact, with which the bodies press against each other.

CONT

The coefficient of kinetic friction for smooth metal surfaces ... ranges from 0.15 to 0.5 and is slightly less usually than the coefficient of static or limiting friction.

Key term(s)
  • dynamic friction coefficient

French

Domaine(s)
  • Tribologie
  • Physique des solides
CONT

Frottement de glissement. Si le corps A glisse le long de B, on a un frottement de glissement dont le coefficient X [...] (coefficient de frottement dynamique) est plus petit que Y [coefficient de frottement statique].

Spanish

Save record 4

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