surpression au coup de bélier
- Domaines
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- physique mécanique des fluides
- plomberie robinetterie industrielle
- Dernière mise à jour
Définition :
Valeur de la pression dans une onde de choc créée par un coup de bélier (water hammer).
Terme privilégié :
- surpression au coup de bélier n. f.
Traductions
-
anglais
Auteur : Office québécois de la langue française,Note :
Sudden closure of a valve in a hydraulic system causes the body of liquid, which may be moving at a rate generally in excess of one foot per second, to stop instantaneously. As liquids are relatively incompressible, the sudden cessation of flow effects a rise in pressure considerably geater than the static working pressure; this pressure increase is termed SHOCK and may, in some cases, be sufficient to cause valves or piping to fail.
Termes :
- shock pressure
- shock working pressure