Method and apparatus for making snow produced by cumulative crys

Details Method and apparatus for making snow produced by cumulative crys Method and apparatus for making snow produced by cumulative crys

1975-03-17

1976-06-22

Love, John J.

Fluid sprinkling, spraying, and diffusing

Processes

Of weather control or modification

239 14, F25C 304

Patent

active

039646823

ABSTRACT:
A mixture of compressed air and pressurized water is ejected from snow-making nozzle means in a cold ambient atmosphere and the mixture is expanded and cooled to form a stream of falling snow particles. Into this stream, high velocity jets of chilled water droplets are discharged at points ahead of the nozzle means along generally converging paths of travel. Water droplet portions adhering to the snow particles undergo progressive freezing to produce a cumulative crystallization and growth in the size of the snow particles. The water droplets are jetted at a velocity greatly exceeding the velocity of the snow particles in the stream, and these particles are accelerated and caused to travel over greatly extended distances for a given flow of compressed air supplied, for example, at a rate customarily utilized of one hundred cubic feet per minute. The quantity of water which can be utilized for this rate of flow of compressed air, customarily about twenty gallons, may be increased to as much as fifty gallons with a resultant substantial increase in quantity of crystallized snow particles produced to provide a ground cover. By regulating the quantity of water droplets utilized, the wetness or dryness of the snow may be controlled in a desirable manner.

REFERENCES:
patent: 3567117 (1971-03-01), Eustis
patent: 3596476 (1971-08-01), Jakob et al.
patent: 3761020 (1973-09-01), Tropeano et al.
patent: 3822825 (1974-07-01), Dupre

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