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TETRAHEDRAL BALLOON [1 record]
Record 1 - internal organization data 2004-09-23
Record 1, English
Record 1, Subject field(s)
- Weather Stations and Meteorological Instruments and Equipment
Record 1, Main entry term, English
- tetroon
1, record 1, English, tetroon
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
A constant-volume balloon of tetrahedral shape. 2, record 1, English, - tetroon
Record number: 1, Textual support number: 1 CONT
The tetroon is a tetrahedral balloon used for horizontal sounding. It was developed to withstand the extremely low pressures of high-altitude flight; the straight seals joining its four triangular faces are stronger than the curved seals of the more traditionally shaped balloons. Tetroons have been used extensively in tracing low-level atmospheric currents by following their movement with radar; they have thus increased the meteorologist's understanding of atmospheric turbulence, low-level vertical motions, and air pollution dispersion. 3, record 1, English, - tetroon
Record 1, Key term(s)
- tetrahedral balloon
Record 1, French
Record 1, Domaine(s)
- Stations, instruments et équipements météorologiques
Record 1, Main entry term, French
- ballon tétraédrique
1, record 1, French, ballon%20t%C3%A9tra%C3%A9drique
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Ballon à volume constant de forme tétraédrique. 2, record 1, French, - ballon%20t%C3%A9tra%C3%A9drique
Record number: 1, Textual support number: 1 CONT
L'Aéroclipper est un nouvel instrument de mesure conçu pour faire des mesures quasi-lagrangiennes des paramètres de l'interface océan-atmosphère. Un Aéroclipper est constitué d'un ballon tétraédrique fermé de 6 à 7 mètres d'arête, gonflé à l'hélium et stabilisé verticalement à une hauteur de 60 m par un «guiderope». La forme tétraédrique du ballon permet d'avoir un plus fort coefficient de traînée (meilleure prise au vent et donc trajectoire plus «lagrangienne») comparé à un ballon sphérique d'égal volume. De plus, ces ballons sont beaucoup plus faciles et peu coûteux à réaliser avec un matériaux permettant de minimiser les fuites d'hélium. 3, record 1, French, - ballon%20t%C3%A9tra%C3%A9drique
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Estaciones, instrumentos y equipos meteorológicos
Record 1, Main entry term, Spanish
- globo tetraédrico
1, record 1, Spanish, globo%20tetra%C3%A9drico
masculine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
- tetroon 1, record 1, Spanish, tetroon
masculine noun
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Globo de volumen constante de forma tetraédrica. 1, record 1, Spanish, - globo%20tetra%C3%A9drico
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