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The image shows a cutaway of a self-cooling drink can, segmented into a drink section, insulation layer, heat sink, and twistable base. The drink is marked as section (3), insulation as section (4), heat sink as section (6), and the twistable base as section (2). When the base (2) is twisted, a seal breaks. CO2 is absorbed in the upper section of the heat sink (6), cooling it. Heat from the drink (3) is absorbed by the heat sink (6) as CO2 evaporates and escapes via holes (5). The drink's heat transfers to the heat sink (6), cooling the drink by 16.7°C within three minutes.
Given the complexity of the image, the above description may not be entirely accurate.
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The picture dipcits a disection of the can of the “self-cooling drink”. It involes six steps to cool the drink, which starts with the twisting of can and ends with the cooling of the drink. The upper part of the can contains the actual drink which is sealed inside the two layers. Whereas, the bottom layer contains the drying materials.
It all commends with the twisting of the can which consequently breaks the seal. This results in the drop in pressure in the upper compartment of the can, thereby, causing the water gel held in the outer layer to evapourate. Additionally, all of the excess water gets absorbed by desiccant and the heat builds by a sink in the bottom would prevent the can from feeling hot.
The company claims that this technology can cool the drink by 16.7 degree celcius within just three minutes.
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