The work is investigating a unique synergy, although still unexplored, between the properties of metal surfaces of lasermicrovuur and the requirements of a candidate material for the autonomous collection of dew water. The scientists showed that aluminum surfaces of microgravure show self -protection options under radiation deficiency conditions, as well as Low water retention levels (three times lower than those of their condensation oppositions fall by without treated).
The promising results lead to Construction and evaluation of an autonomous system for dew water for real size outside Based on these surfaces, which demonstrate the scalability of technology.
During an outdoor study of an annual time An improvement of 70% in Rocío -Water collected compared to a latest generation of reference material was systematically measuredwho demonstrates the robustness of the surfaces and their performance.
The Laseron Group, from the CNTECX Center of the University of Vigo (UVIGO), has developed an innovative system with French scientists that allows it Collect Dauwwater through a microSteLeulized metal surface with laser. The article of the researchers has Published in Advanced Material MagazineWho emphasizes the work on the cover, as explained by the academic institution in its digital publication.
How to collect dew water?
UVIGO researchers indicate that atmospheric water vapor, “ignored to relatively recent From the most dry deserts to the wettest cities«.
However, the use of this source has been very complicated, because, as engineers point it out, the methods that are used to collect so far require significant energy sources or depends on coolants, who contributes even more to global warming and the exhaustion of the ozone layer“.
Which they have developed It is based on the way the plants collect the dew water at night And it is a “passive – because it does not need electric, robust, simple and lasting energy.” The surface treated with laser manages to be set at night itself thanks to improved infrared emissiveness, “which causes a water condensation similar to natural dew in plant leaves.”
He Laser -Microtexturized promotes condensation in the form of a continuous leaf On the surface instead of scattered drops, in contrast to what is happening in the leaves, and this makes ‘efficient and autonomous collection of water’ possible.
He System was tested in Paris for more than a year and already has a European patent application And it is the result of the cooperation between the UVIGO and experts from French institutions such as CNRS and Sorbonne Université. Most research tasks are funded by the Xunta de Galicia within its competitive reference call program. EFE / ECOTICIA.COM