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thermopile [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2010-05-14

English

Subject field(s)
  • Thermoelectricity and Thermoelectronics
  • Weather Stations and Meteorological Instruments and Equipment
  • Scientific Instruments
DEF

A set of thermocouple junctions connected in series in order to boost the voltage to a meaningful amount (usually measured in millivolts).

CONT

A thermocouple is a metallic strip or wire that produces an electromagnetic potential (voltage) when the two ends (junctions) are at different temperatures. The "cold" junctions of thermopile radiometers are painted white to reflect radiation, and the "hot" junctions are painted black to absorb radiation.

French

Domaine(s)
  • Thermoélectrique et thermoélectronique
  • Stations, instruments et équipements météorologiques
  • Instruments scientifiques
DEF

Capteur de rayonnement constitué par plusieurs thermocouples disposés de façon à donner une force électromotrice fonction de l'intensité du rayonnement auquel il est soumis.

OBS

La plupart des radiomètres employés en météorologie utilisent une thermopile.

Key term(s)
  • thermo-pile
  • thermo pile

Spanish

Campo(s) temático(s)
  • Termoelectricidad y termoelectrónica
  • Estaciones, instrumentos y equipos meteorológicos
  • Instrumentos científicos
Save record 1

Record 2 2003-06-17

English

Subject field(s)
  • Thermoelectricity and Thermoelectronics
  • Measuring Instruments (Engineering)
  • Burners and Steamfitting
DEF

A number of thermocouples connected in series in a single unit (all the "hot" junctions are heated together), producing a much higher voltage than the individual thermocouples. Some types may be used as sources of electric energy.

CONT

There are basically three types of pilot burners: 1) the multivolt; 2) the bimetal; and 3) the liquid filled. The millivolt type can be divided into the thermocouple and the thermopile ... the thermopile is a series of thermocouples wired so that the output voltage will be approximately 750 m. The greater the number of thermocouples in series, the higher will be the output voltage.

OBS

pile: abbreviation for thermopile.

Key term(s)
  • thermo-electric pile
  • thermoelectric pile

French

Domaine(s)
  • Thermoélectrique et thermoélectronique
  • Instruments de mesure (Ingénierie)
  • Fumisterie et brûleurs
DEF

Récepteur thermique constitué de plusieurs couples thermoélectriques.

DEF

Détecteur de rayonnement, formé par un groupement de thermocouples en série, toutes les soudures impaires (par exemple) étant maintenues à la même température, toutes les autres étant soumises au rayonnement qui élève leur température et produit dans chaque couple une f.é.m.; celles-ci s'ajoutent.

Key term(s)
  • pile thermo-électrique

Spanish

Campo(s) temático(s)
  • Termoelectricidad y termoelectrónica
  • Instrumentos de medida (Ingeniería)
  • Artículos de fumistería y quemadores
Save record 2

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