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  • Tian, Yuren  (3)
  • Zheng, Yibing  (3)
  • Comparative Studies. Non-European Languages/Literatures  (3)
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  • Comparative Studies. Non-European Languages/Literatures  (3)
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  • 1
    Online Resource
    Online Resource
    Acoustical Society of America (ASA) ; 1997
    In:  The Journal of the Acoustical Society of America Vol. 101, No. 5_Supplement ( 1997-05-01), p. 3058-3058
    In: The Journal of the Acoustical Society of America, Acoustical Society of America (ASA), Vol. 101, No. 5_Supplement ( 1997-05-01), p. 3058-3058
    Abstract: Novel, compact instrumentation for studying the behavior of drop arrays and sprays, and of clusters of drops, permits fundamental research into the behavior of reacting and nonreacting fluid species. The new capability is made possible by simultaneous levitation and charging of ‘‘seed’’ droplets (10–30 m in diameter) which come together in 2-D clusters. These clusters are interesting in their own right because of their crystalline and quasi-crystalline forms, which depend on the acoustic and electric field parameters. By varying the electric and acoustic field intensities, one can cause the clusters to condense into larger drops (e.g., 50–300 m) which, because of their charge, form uniformly spaced 2-D arrays of monodispersed drops. One or more layers of these 2-D arrays can form in the acoustic standing wave. Such a configuration permits a wide range of fundamental studies of drop evaporation, combustion, and nucleation. The drops can be single or multicomponent. Therefore, fundamental materials studies can also be performed. Instrument characteristics and initial studies with the new apparatus will be reviewed. [Work supported by JPL 958722.]
    Type of Medium: Online Resource
    ISSN: 0001-4966 , 1520-8524
    RVK:
    Language: English
    Publisher: Acoustical Society of America (ASA)
    Publication Date: 1997
    detail.hit.zdb_id: 1461063-2
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  • 2
    Online Resource
    Online Resource
    Acoustical Society of America (ASA) ; 1998
    In:  The Journal of the Acoustical Society of America Vol. 103, No. 5_Supplement ( 1998-05-01), p. 2764-2764
    In: The Journal of the Acoustical Society of America, Acoustical Society of America (ASA), Vol. 103, No. 5_Supplement ( 1998-05-01), p. 2764-2764
    Abstract: The evaporation of single drops and drop arrays of multicomponent liquids is investigated using a novel acoustoelectric levitator. By simultaneous levitation and charging of the drops, 2D drop arrays with the drop diameters varying from 0.2 to 1 mm can be formed. Also by controlling both the acoustic and electric field intensities, arrays with different drop sizes and spaces between drops can be created. This allows us to study the interference effects among drops in an evaporating dense spray. Mixtures of different liquids such as alkanes (heptane, dodecane, and hexadecane) are studied. The evaporation rates of those mixtures with different molar ratios of components and different numbers of drops in an array are measured. The drop size and spacing are carefully controlled and varied. A video camera is used to record the drop size change with time, and the diameters of drops are calculated from the pictures. The results are compared with a theoretical analysis based on the diffusion-controlled evaporation model. [Work supported by NASA through JPL Grant No. 958722.]
    Type of Medium: Online Resource
    ISSN: 0001-4966 , 1520-8524
    RVK:
    Language: English
    Publisher: Acoustical Society of America (ASA)
    Publication Date: 1998
    detail.hit.zdb_id: 1461063-2
    Location Call Number Limitation Availability
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  • 3
    Online Resource
    Online Resource
    Acoustical Society of America (ASA) ; 1999
    In:  The Journal of the Acoustical Society of America Vol. 105, No. 5 ( 1999-05-01), p. L1-L6
    In: The Journal of the Acoustical Society of America, Acoustical Society of America (ASA), Vol. 105, No. 5 ( 1999-05-01), p. L1-L6
    Abstract: Research into the behavior of clusters and arrays of fluid or solid particles is made possible by acousto-electric levitation in air and charging of “seed” droplets (10–30 μm in diameter) which come together in 2-D clusters (with up to 300 droplets). Such clusters condense into larger drops (e.g., 50–300 μm) which form uniformly spaced 2-D arrays of monodispersed drops. Similar behavior has been observed for charged solid particles. This research has applications to studies of drop evaporation, combustion, nucleation, and materials synthesis.
    Type of Medium: Online Resource
    ISSN: 0001-4966 , 1520-8524
    RVK:
    Language: English
    Publisher: Acoustical Society of America (ASA)
    Publication Date: 1999
    detail.hit.zdb_id: 1461063-2
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
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