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    A General Framework for Liquid Marbles

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    Preprintfile1.pdf
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    Type
    Preprint
    Authors
    Jr., Adair Gallo
    Tavares, F. cc
    Das, Ratul cc
    Mishra, Himanshu cc
    KAUST Department
    Biological and Environmental Science and Engineering (BESE) Division
    Environmental Science and Engineering Program
    Interfacial Lab
    Interfacial Lab (iLab), Water Desalination and Reuse Center (WDRC), Division of Biological and Environmental Sciences (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia.
    KAUST Catalysis Center (KCC)
    Physical Science and Engineering (PSE) Division
    Water Desalination and Reuse Research Center (WDRC)
    KAUST Grant Number
    BAS/1/1070-01-01
    Date
    2021-02-12
    Permanent link to this record
    http://hdl.handle.net/10754/667486
    
    Metadata
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    Abstract
    Liquid marbles refer to liquid droplets that are covered with a layer of non-wetting particles. They are observed in nature and have practical significance. However, a generalized framework for analyzing liquid marbles as they inflate or deflate is unavailable. The present study fills this gap by developing an analytical framework based on liquid-particle and particle-particle interactions. We demonstrate that the potential final states of evaporating liquid marbles are characterized by one of the following: (I) constant surface area, (II) particle ejection, or (III) multilayering. Based on these insights, a single-parameter evaporation model for liquid marbles is developed. Model predictions are in excellent agreement with experimental evaporation data for water liquid marbles of particle sizes ranging from 7 nanometers to 300 micrometers (over four orders of magnitude) and chemical compositions ranging from hydrophilic to superhydrophobic. These findings lay the groundwork for the rational design of liquid marble applications.
    Sponsors
    AGJ thanks Ms. Jamilya Nauruzbayeva and Mr. Sankara Arunachalam from KAUST for their assistance with the scanning electron microscopy, Ms. Nayara Musskopf (KAUST) for her assistance with the literature review, and Mr. Thiago Reihner and Dr. Meng Shi for the fruitful discussions
    HM acknowledges KAUST for funding (BAS/1/1070-01-01).
    Publisher
    arXiv
    arXiv
    2102.06434
    Additional Links
    https://arxiv.org/pdf/2102.06434
    Collections
    Biological and Environmental Science and Engineering (BESE) Division; Preprints; Environmental Science and Engineering Program; Physical Science and Engineering (PSE) Division; KAUST Catalysis Center (KCC); Water Desalination and Reuse Research Center (WDRC)

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