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    PAIR seminar : collecting fog droplets using microfiber grids

    PAIR seminar : collecting fog droplets using microfiber grids

    Water shortage is one of the biggest challenges that humanity faces. Novel technologies to tackle the challenge of water scarcity are urgently needed. However, all the existing studies are based on bare fibers with diameter in the order of mm. This talk introduces a novel fog collection technology using microfibers fabricated by near-field electrospinning. The collection efficiency reaches a record high level. Systematic investigation reveals that the waterdrops are “visible” to fog droplets in the incoming air flow because of the relatively small size of the microfibers. Thus, the large waterdrops deflect the fog-carrying airflow to the satellite small waterdrops, which effectively intercept the fog droplets.
    Event Date: 12/10/2023
    Speaker: Prof. TAN Zhongchao (Founding Chair Professor, Vice Provost and Dean of Academic Affairs of the Eastern Institute of Technology in Ningbo, China)
    Hosted by: PolyU Academy for Interdisciplinary Research

    Subjects:
    Environmental Sciences and Mechanical Engineering
    Keywords:
    Fog Hydrology Water harvesting Water-supply
    Resource Type:
    Video