Arrangement, use of an arrangement, device, snow lance and...

Details Arrangement, use of an arrangement, device, snow lance and... Arrangement, use of an arrangement, device, snow lance and...

F - Mech Eng,Light,Heat,Weapons

25

C

F25C 3/04 (2006.01) B05B 1/00 (2006.01)

Patent

CA 2709810

A nucleator nozzle (20) for produc-ing ice nuclei is designed as convergent-divergent nozzle. The nozzle channel (25) has a section (27) that is widening. The ratio of the cross-sectional area of the outlet opening (23) to the cross-sectional area of the nozzle channel (25) in the region of the nucleus diameter (26) is at least approximately 4:1. A snow lance (1) having at least one nucleator noz-zle (20) and having at least one water nozzle (30; 30') is designed such that water droplets (32) pro-duced by the water nozzle (30; 30') pass through a droplet path (31; 31') of at least 20 cm until they reach ice nuclei (28) from the nucleator nozzle (20) in a germination zone E.

Cette buse de nucléation (20) destinée à produire des cristaux de glace est réalisée sous forme de buse convergente-divergente. Le canal de buse (25) présente une partie (27) allant en s'élargissant. Le rapport de la superficie de section de l'ouverture de sortie (23) par rapport à celle du canal de buse (25) dans la région du diamètre de la partie centrale (26) est d'au moins environ 4:1. Un canon à neige (1) pourvu d'au moins une buse de nucléation (20) et d'au moins une buse à eau (30 ; 30') est conçu de telle sorte que les gouttes d'eau (32) produites par la buse à eau (30 ; 30') parcourent une distance (31, 31') d'au moins 20 cm avant d'atteindre, dans une zone d'insémination E, des cristaux de glace (28) provenant de la buse de nucléation (20).

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