TERMIUM Plus®

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CROSS CIRCULATION [2 records]

Record 1 2008-01-29

English

Subject field(s)
  • Solar Power Plants
  • Geothermal Energy
  • Equipment (Oil and Natural Gas Extraction)
DEF

A structure in which air contact is used to cool a stream of water that has been heated by circulation through a system. The air flows counter-currently or cross currently to the water.

French

Domaine(s)
  • Centrales solaires
  • Énergie géothermique
  • Outillage (Extraction du pétrole et du gaz)
CONT

L'eau de refroidissement, échauffée dans le condenseur, parvient par un système de canaux sur les plaques de ruissellement de la tour de réfrigération; elle retombe en fines gouttelettes, comme dans une douche gigantesque, et transmet sa chaleur à un courant d'air ascendant.

Spanish

Campo(s) temático(s)
  • Centrales solares
  • Energía geotérmica
  • Equipo para extracción de petróleo y gas natural
DEF

Chimenea ancha y elevada para enfriar procesos o productos, característica, sobre todo, de centrales térmicas y nucleares.

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Record 2 2006-08-19

English

Subject field(s)
  • Oceanography
CONT

"The Peru Current is the strongest of five areas of oceanic upwelling," explained Dr. Julio Valdivia. "Winds blowing up from the south drive surface water offshore, to be replaced by deeper colder waters rich in nutrients."

CONT

Phosphorites are related to the open ocean in that they evidently form on continental platforms and slopes adjacent to oceanic "upwellings," or ascending currents that bring cold, relatively phosphate-rich deep water to the surface.

OBS

upwelling : The rising of cold, heavy sub-surface water toward the surface, especially along the western coasts of continents(as along the coast of southern California) ;the displaced surface water is transported away from the coast by the action of winds parallel to it or by diverging currents. Upwelling may also occur in the open ocean where cyclonic circulation is relatively permanent, or where southern trade winds cross the equator.

French

Domaine(s)
  • Océanographie
CONT

L'activité biologique élevée concentre le phosphore à proximité des zones de remontée des eaux océaniques [...]

OBS

remontée d'eau : Venue d'eaux profondes froides vers la surface de la mer. Les remontées d'eau s'observent à la côte ou au large. [...] - Au large, on constate deux types de situation : dans la zone équatoriale, la divergence des eaux superficielles entraîne des remontées d'eau qui s'étendent de manière quasi continue aux basses latitudes [...] - ailleurs, des remontées sont liées à des phénomènes météo-océaniques transitoires : cyclones tropicaux, dépressions des latitudes moyennes.

Spanish

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