Apr 10, 2009 08:47
15 yrs ago
1 viewer *
English term

wind tunnel/tunneling

English to French Science Meteorology
Bonjour,

connaissez-vous l'effet de "wind tunnel" en météorologie et savez-vous comment traduire ce concept en français ?

"The platform crashes with enough force to twist and bend its aluminum frame. It swings through the air like a giant pendulum driven by what atmospheric scientists call a “wind tunnel” effect."
"Wind tunneling occurs when a city’s buildings act like barriers. As strong gusts squeeze between buildings, the wind actually accelerates around and through the tight passages, creating violent and unpredictable updrafts."
Proposed translations (French)
4 +1 effet venturi
5 effet d'entonnoir
3 effet du tunnel

Proposed translations

+1
3 mins
Selected

effet venturi

En fait, on en parle pour le vent et aussi pour les fluides. Dès qu'un goulet d'étranglement se forme du fait d'un obstacle, cela provoque une accélération du fluide ou de l'air entre les parois.
Peer comment(s):

agree GILLES MEUNIER
47 mins
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4 KudoZ points awarded for this answer. Comment: "ça me semble bien, merci."
49 mins

effet du tunnel

Termium / * Organes et systèmes mécaniques (Généralités)
* Énergie éolienne :

tunnel effect Source, fiche 1, tunnel effect
CORRECT

wind tunnel effect Source, fiche 1, wind tunnel effect
CORRECT

effet de tunnel Source, fiche 1, effet de tunnel
CORRECT, MASC

DEF – A speed-up effect created by wind pressure in a natural corridor which allows a wind turbine to harness wind kinetic energy stronger than in the surrounding area. Source, fiche 1, Défintion 1 - tunnel effect

CONT – Speed up effects: Tunnel effect. If you push an ordinary bicycle air pump, ... you will notice that the air leaving the nozzle moves much faster than the speed with which you are pushing. The reason, of course, is that the nozzle is much narrower than the cylinder in the pump. If you take a walk between tall buildings, or in a narrow mountain pass, you will notice that the same effect is working: The air becomes compressed on the windy side of the buildings or mountains, and its speed increases considerably between the obstacles to the wind. This is known as a "tunnel effect". So, even if the general wind speed in open terrain may be, say, 6 metres per second, it can easily reach 9 metres per second in a natural "tunnel." Placing a wind turbine in such a tunnel is one clever way of obtaining higher wind speeds than in the surrounding areas. Source, fiche 1, Contexte 1 - tunnel effect


DEF – [...] effet accélérateur engendré par la compression du vent dans un couloir naturel et qui permet à l'éolienne qui y est installée de capter une énergie cinétique du vent supérieure à celle de la z
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6 hrs

effet d'entonnoir

Au Canada, dans un contexte météo, c'est ce qu'on utilise.
Ne pas confondre avec "channel effect" qui est "canalisation".
Example sentence:

La tempête de neige se déplaçait d'ouest en est, et la vitesse des vents augmente habituellement dans cette partie du bras Peace Reach en raison de l'effet d'entonnoir.

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