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  • Video 
    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
     
  • Courseware 
    Geoscience: the Earth and its Resources

    Geoscience: the Earth and its Resources

    Are you fascinated by Geosciences and willing to take the challenge of predicting the nature and behavior of the Earth subsurface? This is your course! In a voyage through the Earth, Geoscience: the Earth and its Resources will explore the Earth interior and the processes forming mountains and sedimentary basins. You will understand how the sediments are formed, transported, deposited and deformed. You will develop knowledge on the behavior of petroleum and water resources. The course has an innovative approach focusing on key fundamental processes, exploring their nature and quantitative interactions. It will be shown how this acquired knowledge is used to predict the nature and behavior of the Earth subsurface. This is your ideal first step as a future Geoscientists or professional to upgrade your knowledge in the domain of Earth Sciences.

    Subjects:
    Environmental Sciences and Land Surveying and Geo-Informatics
    Keywords:
    Plate tectonics Earth sciences Petroleum -- Geology Geology Hydrology
    Resource Type:
    Courseware