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Report / Survey by ASHRAE, 1987
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A investigation has been completed which has explored possible procedures for the development of improved ice-making techniques as could be applied to the operation of storage heat pumps and ice thermal storage. The research has included the investigation of relevant information on the present state-of-the-art of near icephobic coatings, electrical effects, water additives, mechanical removal methods and other means by which to modify the growth of ice and allow for ice production at reduced costs. The research has helped to identify the procedures needed to approach the natural shedding of ice accretion and "slush" ice production. Contained in this report are discussions of the review of the relevant literature and the experimental procedures used in seeking natural ice separation. Some of the experiments yielded promising results. Several combinations of electrolyte additives with a coated plate produced thin ice layers that self-released from the plate, submerged in four feet of water. Some other potential technologies not - tested are also discussed.