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HEAT CONDUCTOR [18 records]

Record 1 2012-10-15

English

Subject field(s)
  • Electrical Circuits and Circuit Breakers
CONT

The total resistance of a circuit is dependent on the inherent resistance of the conductor and circuit length. Thus, reducing circuit length reduces total resistance and, therefore, total energy loss and heat generation.

French

Domaine(s)
  • Circuits électriques et coupe-circuits
DEF

Moyenne des longueurs réelles des conducteurs d'un circuit électrique, qui tient compte des différences de niveau et de flèches.

Key term(s)
  • longueur de circuit électrique

Spanish

Save record 1

Record 2 2011-08-18

English

Subject field(s)
  • HVAC Distribution Systems
OBS

Term(s) taken from a Canadian laboratory-equipment company’s catalogue.

French

Domaine(s)
  • Distribution et évacuation (chauffage et conditionnement d'air)
OBS

Terme(s) tiré(s) du catalogue d'une compagnie canadienne d'équipement de laboratoire.

Spanish

Save record 2

Record 3 2011-08-11

English

Subject field(s)
  • Heat (Physics)

French

Domaine(s)
  • Chaleur (Physique)

Spanish

Save record 3

Record 4 2011-01-26

English

Subject field(s)
  • Vulcanology and Seismology
CONT

Another thermal force that can induce rifting is from more acute magmatism that penetrates towards the surface. Penetrative magmatism produces uplift at the surface in about 20 Ma, whereas thermal isostasy is a broader, slower process taking about 100 Ma to uplift the surface... Thermal isostasy lags in time because rock is a poor conductor of heat, and penetrative magmatism fractures and heats the surrounding material rapidly.

CONT

Remnants of the mountains formed during subduction before the collision may be preserved in the central part of the belt, but after intense metamorphism and pervasive magmatism, their original nature may be hard to reconstruct.

OBS

pervasive magmatism: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Volcanologie et sismologie
OBS

magmatisme pénétratif : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Save record 4

Record 5 2007-09-17

English

Subject field(s)
  • Thermodynamics
  • Heat (Physics)
  • Calorimetry
DEF

Measure of the relative rate at which different materials conduct heat.

CONT

Thermal conductivity coefficient is the ratio between thermal flux and thermal gradient.

CONT

Copper is a good conductor of heat and, therefore, has a high coefficient of conductivity.

OBS

coefficient of thermal conductivity: term used at Natural Resources Canada - Earth Sciences Sector.

PHR

Thermal conductivity coefficient (k).

French

Domaine(s)
  • Thermodynamique
  • Chaleur (Physique)
  • Calorimétrie
DEF

[...] quantité de chaleur transmise par conduction à travers un corps par unité de temps, par unité de surface, par unité d'épaisseur et par degré d'écart de température [...]

OBS

coefficient de conductibilité thermique : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Save record 5

Record 6 2007-05-16

English

Subject field(s)
  • Furnaces and Ovens (Metallurgy)
DEF

An electric melting furnace in which the primary conductor is coiled and generates, by electromagnetic induction, a secondary current which develops heat within the metal charge in the furnace.

French

Domaine(s)
  • Fours (Métallurgie)
DEF

Four électrique de fusion, dans lequel le conducteur primaire est bobiné et crée par induction électromagnétique un courant secondaire qui apporte de la chaleur à la charge de métal se trouvant dans le four.

Spanish

Save record 6

Record 7 2004-01-05

English

Subject field(s)
  • Electrometallurgy
DEF

An alternating current electric furnace in which the primary conductor is coiled and generates, by electromagnetic induction, a secondary current that develops heat within the metal charge.

CONT

There are two classifications of induction furnaces: coreless and channel. In a coreless furnace, the refractory-lined crucible is completely surrounded by a water-cooled copper coil, while in the channel furnace the coil surrounds only a small appendage of the unit, called an inductor. The term "channel" refers to the channel that the molten metal forms as a loop within the inductor. It is the metal loop that forms the secondary of the electrical circuit, with the surrounding copper coil being the primary. In a coreless furnace, the entire metal content of the crucible is the secondary.

PHR

Channel type, high-frequency electric, low-frequency electric induction furnace.

French

Domaine(s)
  • Électrométallurgie
CONT

Les fours électriques proprement dits se divisent en quatre types : le four à arc [...]; le four à résistance [...]; le four à induction, où la masse du four constitue le secondaire d'une bobine d'induction, qui agit comme un véritable transformateur [...]; les fours à micro-ondes [...]

PHR

Four électrique à induction à canal, à basse fréquence, à haute fréquence.

Spanish

Campo(s) temático(s)
  • Electrometalurgia
DEF

Horno en el que la energía eléctrica es transformada en calor por inducción electromagnética.

Save record 7

Record 8 2003-12-22

English

Subject field(s)
  • Mineralogy
  • Geochemistry
  • Metals Mining
DEF

Any of a class of chemical elements such as iron, gold, and aluminum, that have a characteristic luster, are good conductors of heat and electricity, and are opaque, fusible, and generally malleable and ductile.

DEF

An opaque, lustrous, elemental, chemical substance that is a good conductor of heat and electricity and, when polished, a good reflector of light.

OBS

Most elemental metals are malleable and ductile and are, in general, heavier than the other elemental substances.

OBS

Metals are opposed to "non-metallics" and to "energy minerals."

French

Domaine(s)
  • Minéralogie
  • Géochimie
  • Mines métalliques
DEF

Élément chimique caractérisé par une forte conductivité thermique et électrique, un éclat particulier dit «éclat métallique», une aptitude à la déformation et une tendance marquée à former des cations.

CONT

Pour qu'un produit naturel soit considéré comme un minerai, il est nécessaire que ce produit renferme une teneur suffisante en métal ou en matière utile.

Spanish

Campo(s) temático(s)
  • Mineralogía
  • Geoquímica
  • Minas metálicas
DEF

Elemento que tiende a formar positivos en soluciones. Son buenos conductores del calor y de la electricidad y son sólidos, salvo el Hg.

Save record 8

Record 9 2003-09-24

English

Subject field(s)
  • Heating
DEF

Method of heating in which the heat is developed by Joule effect in an electric conductor directly connected to a source of current.

French

Domaine(s)
  • Chauffage

Spanish

Campo(s) temático(s)
  • Calefacción
DEF

Calefacción de sólidos conductores eléctricos mediante el calor generado por efecto Joule, cuando se hace circular a través de ellos una corriente eléctrica.

Save record 9

Record 10 2000-02-29

English

Subject field(s)
  • Household Refrigerators and Freezers
DEF

A poor heat conductor used to join the inner and outer shells of an internally refrigerated container, room etc.

French

Domaine(s)
  • Réfrigérateurs et congélateurs domestiques
DEF

Pièce de matériau peu conducteur réunissant les parois intérieure et extérieure d'une enceinte refroidie, conteneur, chambre, etc.

Spanish

Save record 10

Record 11 2000-02-07

English

Subject field(s)
  • Physics
DEF

Metal with an unfilled inner electron shell. Good conductor of heat and electricity. Can have variable valence in its compounds, e. g. copper.

OBS

Element in the middle of the long periods of the periodic table.

French

Domaine(s)
  • Physique
OBS

(1) FROCA 1968

Spanish

Save record 11

Record 12 1999-10-09

English

Subject field(s)
  • Electrical Engineering
  • Electrokinetics
  • Physics
DEF

The production of an electromotive force in the parts of a homogeneous conductor which are at different temperatures.

DEF

A thermoelectric effect in which heat flows into or out of a homogeneous conductor when an electric current flows two points in the conductor at different temperatures, the direction of heat flow depending upon whether the current flows from colder to warmer metal or from warmer to colder.

CONT

... the Thomson effect, is a voltage gradient which will appear along a conducting wire when a temperature gradient is set up along it.

French

Domaine(s)
  • Électrotechnique
  • Électrocinétique
  • Physique
DEF

Production d'une force électromotrice dans les parties d'un conducteur homogène qui présentent des températures différentes.

DEF

Effet thermoélectrique qui, dans un conducteur homogène parcouru par un courant et soumis à un gradient de température, provoque un transfert de chaleur.

Spanish

Campo(s) temático(s)
  • Electrotecnia
  • Electrocinética
  • Física
Save record 12

Record 13 1998-10-29

English

Subject field(s)
  • Pumps
  • Refrigeration Engineering
DEF

The generation of heat by electric conductors carrying current; degree of heating is proportional to the electric resistance of the conductor...

Key term(s)
  • direct resistance heating

French

Domaine(s)
  • Pompes
  • Techniques du froid
CONT

Les méthodes principales de dégivrage [des évaporateurs] sont les suivantes : [...] chauffage par résistances électriques, méthode assez peu coûteuse en premier investissement mais très coûteuse en exploitation [...] Les résistances peuvent être placées soit directement dans les ailettes, ou même les tubes des évaporateurs, soit dans le circuit de l'air maintenu en circulation [...]

Spanish

Save record 13

Record 14 1997-12-18

English

Subject field(s)
  • Furnaces and Ovens (Metallurgy)
OBS

induction furnace : An alternating current electric furnace in which the primary conductor is coiled and generates, by electromagnetic induction, a secondary current that develops heat within the metal charge.

French

Domaine(s)
  • Fours (Métallurgie)
OBS

four à induction : Les fours électriques proprement dits se divisent en quatre types : le four à arc (...); le four à résistance (...); le four à induction, où la masse du four constitue le secondaire d'une bobine d'induction, qui agit comme un véritable transformateur (...); les fours à micro-ondes (...).

Spanish

Save record 14

Record 15 1997-12-18

English

Subject field(s)
  • Furnaces and Ovens (Metallurgy)
OBS

induction furnace : An alternating current electric furnace in which the primary conductor is coiled and generates, by electromagnetic induction, a secondary current that develops heat within the metal charge.

French

Domaine(s)
  • Fours (Métallurgie)
OBS

four à induction : Les fours électriques proprement dits se divisent en quatre types : le four à arc (...); le four à résistance (...);le four à induction, où la masse du four constitue le secondaire d'une bobine d'induction, qui agit comme un véritable transformateur (...); les fours à micro-ondes (...)

Spanish

Save record 15

Record 16 1993-01-27

English

Subject field(s)
  • Electrical Component Manufacturing Equipment
  • Heating
DEF

A conductor connected directly to a source of current and used to convert electric energy into heat by Joule effect.

French

Domaine(s)
  • Matériel et équipement électriques
  • Chauffage

Spanish

Save record 16

Record 17 1985-08-12

English

Subject field(s)
  • Energy Transformation
  • Cells and Batteries

French

Domaine(s)
  • Transformation de l'énergie
  • Piles et accumulateurs

Spanish

Save record 17

Record 18 1976-06-19

English

Subject field(s)
  • Conductors and Resistors
DEF

The thickness of an imaginary surface layer, assumed to carry throughout its cross section a direct uniform current of the same effective value as the actual current, of the same material as the conductor, and dissipating through Joule effect the same heat per unit of external surface.

French

Domaine(s)
  • Conducteurs et résistances

Spanish

Save record 18

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