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Related Experiment Video

Updated: Feb 12, 2026

Apparatus for Harvesting Tissue Microcolumns
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Fog Harvesting with Harps.

Weiwei Shi, Mark J Anderson, Joshua B Tulkoff

    ACS Applied Materials & Interfaces
    |March 29, 2018
    PubMed
    Summary
    This summary is machine-generated.

    Fog harps, a novel fog harvesting design, overcome clogging issues common in traditional meshes. This innovation significantly enhances freshwater collection rates in arid regions.

    Keywords:
    contact angle hysteresisdroplet slidingfog harpfog harvestingvertical wires

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    Area of Science:

    • Environmental science
    • Materials science
    • Fluid dynamics

    Background:

    • Fog harvesting is crucial for freshwater acquisition in arid regions.
    • Current wire meshes face limitations: coarse meshes miss small droplets, fine meshes clog.
    • A new design is needed to improve fog collection efficiency and durability.

    Purpose of the Study:

    • To design and fabricate a novel fog harvesting system called 'fog harps'.
    • To compare the water collection efficiency of fog harps against conventional meshes.
    • To investigate the impact of wire diameter on fog harvesting performance.

    Main Methods:

    • Fabrication of fog harps with varying wire diameters.
    • Controlled laboratory experiments to simulate fog conditions.
    • Measurement of water collection rates for fog harps and traditional meshes.

    Main Results:

    • Fog harps showed continuously increasing collection rates with decreasing wire diameter.
    • Droplet shedding in fog harps prevented clogging, unlike conventional meshes.
    • The fog harp design achieved a 3-fold enhancement in water collection compared to equivalent meshes.

    Conclusions:

    • Fog harps represent a significant advancement over traditional mesh-based fog collectors.
    • The harp design effectively addresses the clogging issue, improving long-term performance.
    • This technology offers a promising solution for sustainable water sourcing in water-scarce environments.