The process of artificial snow formation is conducted under natural conditions using a snowmaking machine
which obtains the microscopic morphology of snow crystals. The sizes of snow particles and the factors that influence them under various working conditions are analyzed
and the snow forming process of artificial snow is deduced. The results show that the falling position
environmental temperature and humidity
and nozzle atomization particle size are the important factors affecting the snow grain diameter. Lower environmental temperature and humidity
as well as a smaller nozzle diameter
facilitate the formation of larger snow crystal sizes. When the snow-maker works stably
the distribution of snow grain diameter is more non-uniform in the distant areas compared to the edges and middle regions. The measured snow particle size is about 0.3 mm
which is much larger than the atomization particle size of the nozzle (0.12 mm). Based on this
it is inferred that snow crystals collide during flight. This is of great significance for the mechanism of snow formation and the regulation of snow quality.