MIT Fog Harvester Could Have Wider Appeal

MIT Fog Harvester Could Have Wider Appeal
Sep-07-14
A better fog-harvesting system from MIT relies on a specific mesh design to increase the harvester's efficiency by up to ten percent.

Fog harvesters have been gaining attention in the wake of recent droughts and water shortages, but their uses are still limited. A new design, from a team at MIT, improves the efficiency of fog harvesters to a point that could make them more commercially attractive. The new fog harvester has been developed with attention paid to three factors: the size of the material, the space between the filaments and a new chemical coating. Based on their research, the improved fog harvester is made of stainless steel filaments about three times as thick as a human hair. The filaments are spaced about twice a far apart as the width of a human hair, and have been coated with a substance that helps to attract the water droplets and funnel them to the collection chamber before the wind can blow them away.

According to Daniel Beysens, director of the Physics and Mechanics of Heterogeneous Media Laboratory at EPSCI in Paris, the team's study is "...a breakthrough in the design of fog collectors.”



More Info about this Invention:

[GIZMODO.COM]
[MIT.EDU]
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