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Original Articles

Un spectromètre de gouttes de pluie pour l'analyse chimique de la précipitation

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Pages 39-49 | Received 28 May 1981, Published online: 15 Nov 2010
 

Abstract

A spectrometer/spectrograph of raindrops that uses their final fallspeeds to separate the drops according to their diameters is described. The apparatus is composed of two rotating discs, the Upper one allowing the rain to pass through a narrow window. The drops, separated according to size, are collected on the lower disc. The distance between discs and the rotation speed permit control of the degree of separation.

Résumé

Un spectromètre/spectrographe de gouttes de pluie qui utilise leurs vitesses finales de chute pour les séparer selon les tailles est décrit. L'appareil est composé de deux disques en rotation, le disque supérieur percé d'une étroite fenêtre permettant de laisser passer la pluie. Les gouttes, separées selon leur diamètre, sont collectées sur le disque inférieur. La distance entre les disques et la vitesse de rotation permettent de contrôler le degré de séparation des gouttes.

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