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NATURAL VENTILATED PSYCHROMETER [1 record]
Record 1 - internal organization data 2010-04-27
Record 1, English
Record 1, Subject field(s)
- Weather Stations and Meteorological Instruments and Equipment
- Scientific Instruments
Record 1, Main entry term, English
- non-ventilated psychrometer
1, record 1, English, non%2Dventilated%20psychrometer
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- natural ventilation psychrometer 2, record 1, English, natural%20ventilation%20psychrometer
proposal
- natural circulation psychrometer 3, record 1, English, natural%20circulation%20psychrometer
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A psychrometer in which the ventilation required for rapid evaporation from the wick, and concomitant cooling of the wet bulb, is provided by the natural convective motions of the air surrounding the bulb. 4, record 1, English, - non%2Dventilated%20psychrometer
Record number: 1, Textual support number: 1 CONT
Psychrometer: An instrument designed for determining the relative humidity. ... A non-ventilated psychrometer relies on the natural movement of air for ventilation, whereas a ventilated psychrometer relies on artificially circulated air (eg sling psychrometer). 5, record 1, English, - non%2Dventilated%20psychrometer
Record number: 1, Textual support number: 1 OBS
The dry and wet bulb temperatures are measured using psychrometers. Most common are those using two mercury thermometers, one of them having the bulb covered with a wick saturated with distilled water, and which measures a temperature lowered due to the evaporative cooling. When they are naturally ventilated inside a shelter, problems can arise if air flow is not sufficient to maintain an appropriate evaporation rate and associated cooling. The Assmann psychrometer has a forced ventilation of the wet bulb and dry bulb thermometers. 6, record 1, English, - non%2Dventilated%20psychrometer
Record number: 1, Textual support number: 2 OBS
The term "natural circulation psychrometer" is to be contrasted with "forced circulation psychrometer". 4, record 1, English, - non%2Dventilated%20psychrometer
Record 1, Key term(s)
- simple psychrometer
- non ventilated psychrometer
- natural ventilated psychrometer
Record 1, French
Record 1, Domaine(s)
- Stations, instruments et équipements météorologiques
- Instruments scientifiques
Record 1, Main entry term, French
- psychromètre à ventilation naturelle
1, record 1, French, psychrom%C3%A8tre%20%C3%A0%20ventilation%20naturelle
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Psychromètre dont la ventilation du bulbe est assurée par les mouvements convectifs de l'air à l'intérieur de l'abri météorologique. 2, record 1, French, - psychrom%C3%A8tre%20%C3%A0%20ventilation%20naturelle
Record number: 1, Textual support number: 1 CONT
Il existe trois grands types de psychromètres : tous sont gradués et l'information est obtenue par lecture directe. - à ventilation naturelle (sous abri) : La vitesse de ventilation n'est pas contrôlée. Ce sont les moins précis et les tables psychrométriques établies pour ce type d'appareils se basent le plus souvent sur une vitesse du vent de 1,5 m/s. - psychromètres frondes [...]; - psychromètres à aspiration [...] 3, record 1, French, - psychrom%C3%A8tre%20%C3%A0%20ventilation%20naturelle
Record number: 1, Textual support number: 1 OBS
Il existe deux types principaux de psychromètres : les uns sans ventilation forcée sont utilisés dans l'abri météorologique [...]; les autres, munis d'une ventilation forcée [...] 4, record 1, French, - psychrom%C3%A8tre%20%C3%A0%20ventilation%20naturelle
Record number: 1, Textual support number: 2 OBS
S'emploie par opposition au «psychromètre à circulation forcée». 5, record 1, French, - psychrom%C3%A8tre%20%C3%A0%20ventilation%20naturelle
Record 1, Spanish
Record 1, Textual support, Spanish
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