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ANGSTROM PYRHELIOMETER [1 record]
Record 1 - internal organization data 2008-02-22
Record 1, English
Record 1, Subject field(s)
- Scientific Instruments
- Weather Stations and Meteorological Instruments and Equipment
Record 1, Main entry term, English
- Angstrom pyrheliometer
1, record 1, English, Angstrom%20pyrheliometer
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- Angstrom compensation pyrheliometer 2, record 1, English, Angstrom%20compensation%20pyrheliometer
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
An absolute instrument developed by Swedish physicist Knut Johan Angstrom ... for the measurement of direct solar radiation. 2, record 1, English, - Angstrom%20pyrheliometer
Record number: 1, Textual support number: 1 OBS
The radiation receiver station consists of two identical manganin strips whose temperatures are measured by attached thermocouples. One of the strips is shaded, while the other is exposed to sunlight. An electrical heating current is passed through the shaded strip so as to raise its temperature to that of the exposed strip. The electric power required to accomplish this is a measure of the solar radiation. 2, record 1, English, - Angstrom%20pyrheliometer
Record 1, French
Record 1, Domaine(s)
- Instruments scientifiques
- Stations, instruments et équipements météorologiques
Record 1, Main entry term, French
- pyrhéliomètre d'Angström
1, record 1, French, pyrh%C3%A9liom%C3%A8tre%20d%27Angstr%C3%B6m
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Instrument mis au point par K. Angström pour effectuer la mesure du rayonnement solaire direct. 2, record 1, French, - pyrh%C3%A9liom%C3%A8tre%20d%27Angstr%C3%B6m
Record number: 1, Textual support number: 1 OBS
Deux lames de manganin noircies constituent le détecteur. Elles sont placées au fond d'un tube dont la longueur n'autorise qu'un angle d'ouverture de l'ordre de 5°. On expose l'une des lames au rayonnement, l'autre maintenue dans l'obscurité est parcourue par un courant électrique. On règle l'intensité du courant afin d'amener cette dernière à la température de la lame sous éclatement. Un thermocouple aux soudures collées sur les faces postérieures de ces lames contrôle l'équilibre thermique. Le rayonnement solaire direct se déduit du courant électrique nécessaire à cette compensation. 1, record 1, French, - pyrh%C3%A9liom%C3%A8tre%20d%27Angstr%C3%B6m
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Instrumentos científicos
- Estaciones, instrumentos y equipos meteorológicos
Record 1, Main entry term, Spanish
- pirheliómetro de Angström
1, record 1, Spanish, pirheli%C3%B3metro%20de%20Angstr%C3%B6m
correct, masculine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
- pirheliómetro de compensación 1, record 1, Spanish, pirheli%C3%B3metro%20de%20compensaci%C3%B3n
correct, masculine noun
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 CONT
El pirheliómetro de Angström, también llamado pirheliómetro de compensación, consta de dos laminillas de manganina ennegrecidas, una de las cuales se expone a la luz solar, en tanto que la otra, sumida en la sombra, es calentada eléctricamente hasta igualar la temperatura de la primera; la intensidad de la corriente compensadora permite calcular la energía captada en calorías por centímetro cuadrado y por minuto. 1, record 1, Spanish, - pirheli%C3%B3metro%20de%20Angstr%C3%B6m
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