Refrigeration – Processes – Congealing flowable material – e.g. – ice making
Patent
1998-10-19
2000-11-28
Tapolcai, William E.
Refrigeration
Processes
Congealing flowable material, e.g., ice making
252 67, F25C 304
Patent
active
061519022
ABSTRACT:
The present invention is directed to a method for making artificial snow wherein a snow-inducing agent is injected into the water of a snow-making system along with a particulate for increased snow-making capabilities and a higher quality of snow The snow-inducing agent is a compound being a sulfate with a C.sub.8-16 carbon chain alcohol. Preferably, the compound is sodium myreth sulfate. The snow-inducing agent places tiny micro millimeter size air "bubbles" within the water molecules thereby stretching the molecules. The particles then mix in the wall of the water molecules causing the droplet to be hollow. The thin outer wall containing the particulate acts as a nucleating agent to start the freezing process. The molecule is less dense causing a faster transfer of latent heat combined with sensible heat.
REFERENCES:
patent: 3596476 (1971-08-01), Jakob et al.
patent: 4793142 (1988-12-01), Bucceri
patent: 4953360 (1990-09-01), Rzechula
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