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vapour-bound

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11:08 Oct 30, 2007
This question was closed without grading. Reason: No acceptable answer

English to French translations [PRO]
Science - Physics / Mécanique des fluides
English term or phrase: vapour-bound
The pressure on the suction side of the pump could drop below the vapour pressure of the liquid. This drop may be caused by insufficient head, high suction lift, excessive friction head, or high liquid temperature. If the liquid flashes, the formed vapour can partially or completely stop liquid flow into the pump. The pump is then said to be vapour-bound or vapour-locked.
SML
France
Local time: 23:58
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Summary of answers provided
3bouchon de vapeur
A Boukheit
3en cavitationBabelworth


  

Answers


32 mins   confidence: Answerer confidence 3/5Answerer confidence 3/5
en cavitation


Explanation:
une pompe est destinée à "pomper" du liquide pas des gaz, quand elle pompe des gaz, elle "patine" en quelque sorte, on parle de cavitation

Babelworth
Congo, Democratic Republic
Local time: 22:58
Native speaker of: Native in FrenchFrench

Peer comments on this answer (and responses from the answerer)
agree  rodolpheT
3 hrs

disagree  A Boukheit: cavitation = cavitation http://en.wikipedia.org/wiki/Cavitation
1 day18 hrs
  -> voici un extrait de ce lien: cavitation occurs when the pump suction is under a low pressure/high vacuum condition where the liquid turns into a vapor at the eye of the pump impeller. This vapor is carried over to the discharge side of the pump where it n
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38 mins   confidence: Answerer confidence 3/5Answerer confidence 3/5
bouchon de vapeur


Explanation:
http://www.ec.gc.ca/cleanair-airpur/CAOL/transport/publicati...

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Note added at 1 day18 hrs (2007-11-01 05:56:50 GMT)
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Si ça peut aider: http://www.presse-francophone.org/apfa/defi/b/bouchond.htm
BOUCHON DE VAPEUR, n. m.
Domaine : transport routier.
Définition : vapeur de carburant dont la présence dans une canalisation d'alimentation d'un moteur provoque l'arrêt ou la diminution du débit.
Anglais : vapor lock, air lock.
Source : arrêté du 12 août 1976 (J.O. du 9 novembre 1976).


A Boukheit
Algeria
Local time: 22:58
Works in field
Native speaker of: French

Peer comments on this answer (and responses from the answerer)
disagree  Babelworth: on parle de bouchon de vapeur dans une tuyauterie, élément statique, pas dans un élément dont la partie interne tourne (roue de pompe)
5 mins
  -> avez-vous lu mon lien?

agree  Daniel Marquis: Tout à fait d'accord. On emploie aussi le terme de « poche » de vapeur. Ces poches se forment du fait du manque de pression. Elles implosent ensuite dans la roue, d'où la cavitation.
6 days
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