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FORCED CONVECTION AIR COOLER [1 record]

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Alphabetical list of terms

Record 1 2003-11-06

English

Subject field(s)
  • Thermodynamics
  • Heating
DEF

... the result of air’s lower density at elevated temperatures and its affinity to rise. Cooler air sinks due to the increase in density.

OBS

Convection. Process of heat [(transfer of heat) ] carried from one point to another by movement of a liquid or a gas(i. e., air). Natural convection is caused by expansion of the liquid or gas when heated. Expansion reduces the density of the medium, causing it to rise above the cooler, more dense portions of the medium. Gravity heating systems are examples of the profitable use of natural convection. The air, heated by the furnace, becomes less dense(consequently lighter) and rises, distributing heat to the various areas of the house without any type of blower. When a blower is used, the heat transfer method is called "forced convection. "

French

Domaine(s)
  • Thermodynamique
  • Chauffage
CONT

Dans la convection libre (ou naturelle), le mouvement est dû à la seule action de la pesanteur, lorsque des différences de masse volumique provenant de différences de température rompent l'équilibre hydrostatique.

OBS

La convection, qui est un mouvement ascendant et descendant des molécules d'un fluide subissant un réchauffement, est l'un des trois phénomènes de la transmission de la chaleur entre deux corps (ou fluides) à températures différentes.

OBS

natural convection; convection naturelle : termes utilisés entre autre dans le domaine du chauffage.

Key term(s)
  • convexion gravitationnelle
  • convexion propre

Spanish

Campo(s) temático(s)
  • Termodinámica
  • Calefacción
DEF

Convección debida a una diferencia de densidades entre diferentes partes de un fluido.

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