TERMIUM Plus®

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HEAT TRANSFER MODULE [5 records]

Record 1 2024-06-26

English

Subject field(s)
  • Water Treatment (Water Supply)
  • Anti-pollution Measures
CONT

In SGMD [sweeping gas membrane distillation],..., inert gas is used to sweep the vapor at the permeate membrane side to condense outside the membrane module. There is a gas barrier, like in AGMD [air gap membrane distillation], to reduce the heat loss; but this is not stationary, which enhances the mass transfer coefficient. This configuration is useful for removing volatile compounds from aqueous solution.

French

Domaine(s)
  • Traitement des eaux
  • Mesures antipollution
CONT

Dans la distillation membranaire à entraînement gazeux ou la sweeping gas membrane distillation ..., la membrane hydrophobe se situe entre l’alimentation en liquide chaud et un vecteur gaz froid et inerte. Dans cette configuration la pression du côté perméat est inférieure à la pression de saturation du liquide. Cette différence de pression permet aux molécules du liquide de s’évaporer à l’interface liquide chaud/membrane et traverser les pores de la membrane à l’état gazeux. Elles sont ensuite emportées par le gaz vecteur froid vers la sortie et condensées à l’extérieur du module membranaire. La SGMD [sweeping gas membrane distillation] a la plus basse polarisation de température parmi toutes les configurations. Le flux de distillat donné par cette configuration est relativement faible.

Spanish

Campo(s) temático(s)
  • Tratamiento del agua
  • Medidas contra la contaminación
DEF

Proceso de conducción térmica [basado] en el transporte de moléculas en estado de vapor.

Save record 1

Record 2 2011-12-22

English

Subject field(s)
  • Nuclear Fission Reactors
  • Nuclear Power Stations
CONT

The present invention relates to a modular nuclear fuel element, which can be adapted by an assembly system allowing it to be used in different nuclear power plants with horizontal and vertical cooling channels. The module is a cluster of parallel fuel rods mounted as circular concentric crowns and supported by a structural system. It has a single diameter fuel rod array where the ratio of the heat transfer area to the transverse rod area is higher than 330. It also has self-supporting fuel element spacer grids, which are collapsible sheaths attached to them with fewer than 13 welded end stoppers.

French

Domaine(s)
  • Réacteurs nucléaires de fission
  • Centrales nucléaires

Spanish

Save record 2

Record 3 2011-05-24

English

Subject field(s)
  • Heating
DEF

A tank placed above the boiler of a hot-water system, to allow for the increased volume of water when heated.

CONT

All hot-water heating systems must be provided with an expansion tank of either the open or closed type.

CONT

The expansion tank (also called a compression tank) allows for the expansion of the water in the system as it is heated. It is located above the boiler.

CONT

The compression tank differs from the expansion tank of the obsolete gravity systems in this characteristic of maintaining system pressure. The compression tank is open only to the system water, whereas the gravity expansion tank was open to atmosphere as well as to the system, and consequently had to be located higher than the highest radiator. The compression tank may be located anywhere, although tank size decreases with increasing height above the boiler. In large systems economy may indicate a high position, rather than in the usual boiler-room area.

OBS

Also used in the Heat Transfer Module with heating liquid called Dupont Telar which is a mixture of ethylene glycol with a corrosion inhibitor and distilled water.

French

Domaine(s)
  • Chauffage
DEF

Récipient, en communication ou non avec l'atmosphère, permettant à une installation de chauffage de liquide d'absorber les changements de volume liés aux changements de température. (Ce système est surtout utilisé en chauffage central.)

DEF

Réservoir relié à un système de chauffage à eau chaude et permettant les dilatations de l'eau, sans changement trop important de niveau.

Spanish

Campo(s) temático(s)
  • Calefacción
Save record 3

Record 4 2009-10-28

English

Subject field(s)
  • Nuclear Fission Reactors
  • Nuclear Power Stations

French

Domaine(s)
  • Réacteurs nucléaires de fission
  • Centrales nucléaires

Spanish

Save record 4

Record 5 1988-10-21

English

Subject field(s)
  • Heating
DEF

Primary system of heat transfer in a glycol water solution forced-air furnace. The heat transfer module contains the ignitor, burner, and primary solution circulating coil.

French

Domaine(s)
  • Chauffage

Spanish

Save record 5

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