UK-based Pera Technology has developed a new refrigeration technology known as V-Tex, which has the ability to cool drinks while consuming less energy.
>The V-Tex has the ability to cool a standard 35cl can of drink in just 45 seconds, the company claims.
Paul Tattersall, project manager at Pera Technology, said: "The energy consumed by commercial refrigerators and freezers is quite staggering. Across Europe, an estimated 85TWh of electricity is used, comparable to around 25 million households. […]
The Rapidcool consortium set out to develop a novel, fast-cooling apparatus that cools drinks on demand. This is a much smarter alternative to the current norm, where large volumes of drinks are stored in chillers for prolonged periods, just waiting to be consumed. This not only wastes a lot of energy, but chilled stock can easily run out. V-Tex technology is flexible and ensures consumers can always obtain a cooled beverage quickly.
The main challenge faced by the team was to optimise cooling efficiency to meet consumer demand for extremely fast cooling without ‘slushing’. This occurs when the outer layers of liquid freeze before the inner liquid is cooled. The V-Tex technology rotates the drink under optimised conditions to create a ‘Rankine vortex’ and obtain cooling speeds better than other approaches while avoiding the effects of slushing and fizzing when the drink is opened. The cooling chamber can be easily integrated into existing vending machines or open-cabinets, in addition to working as a standalone cooling unit.<
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