The Solar Bag.
This bag is the result of the thesis research conducted for BA Product Design (Design del Prodotto Industriale) at Politecnico di Milano. (October 2015 - June 2016)
The project was selected to be featured in DESIGN X DESIGNERS Exhibition 2016, Politecnico di Milano - Bovisa Design Department, April 2016.
Awia is designed to fill up trouble-free when dealing with wells up to 30m deep. Using common stones as a weight, the bag will enter the water in a vertical position encouraging a leak of air inside it. Once full, the bag helps to deal with waterborne bacteria and viruses contained in the water. Awia is composed of two polyurethane films: the lower is black, to attract the sunlight; the upper is transparent, in order to let the sunlight in and retain the heat. The antiseptic properties of polyurethane make the process of pasteurization possible, a process through which we can obtain bacteria-free water to drink. In order to do so, the bag needs to be located in a reflecting panel which, by using solar energy, will bring the water temperature to 65°C. Reaching this temperature, 99.9%* of pathogen microbes will be deactivated. Thanks to a special adaptation of a device named WaPI (Water Pasteurization Indicator) inserted into the bag, the user will have a visual confirmation of the finalisation of the process.
Protoype assembled in Politecnico di Milano (3d Workshop),
Main body: Electrowelded Polyurethane films.
Welding Machine: Codritel,Via Alserio 1, Milano.
Bag cap: 3D Printed ABS.
WaPI adaptation: Lathe, Plexiglass.
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