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Containerless nucleation behavior and supercooling degree of acoustically levitated graphene oxide nanofluid PCM.

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Title: Containerless nucleation behavior and supercooling degree of acoustically levitated graphene oxide nanofluid PCM.
Authors: Yudong, Liu1 ydliu2000@163.com, Chuangjian, Su1, Pengfei, Hu1, Quangui, Peng1, Liuzhu, Wei1, Jiangqing, Wang1
Source: International Journal of Refrigeration. Dec2015, Vol. 60, p70-80. 11p.
Subjects: Containerless processing, Nucleation, Supercooling, Acoustic levitation, Graphene oxide, Nanofluids
Abstract: Acoustic levitation constitutes an alternative experiment technology for avoiding contamination from container walls or other external objects. Graphene oxide nanofluid drop was acoustically levitated and solidified, and supercooling degree of nanofluid drop at different cooling temperatures was measured. The supercooling degree of nanofluid drop can be reduced by 59.79% in comparison to that of the deionized water, and the reduction of supercooling degree gradually weakens with the decrease of cooling temperature. Based on Wenzel's wetting model, the authors established a new physical model of nanosheet to analyze the effect of rough surface on the nucleation behavior and supercooling degree, revealing that only on the upper or lower surfaces of the nanosheets can crystal nucleus form and grow, and nucleation on the thickness surface is difficult. Furthermore, a model for predicting nucleation rate of nanofluid was proposed, suggesting that the nucleation rate increases significantly with the increasing of supercooling degree. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Refrigeration is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 111498424
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Label: Title
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  Data: Containerless nucleation behavior and supercooling degree of acoustically levitated graphene oxide nanofluid PCM.
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Refrigeration%22">International Journal of Refrigeration</searchLink>. Dec2015, Vol. 60, p70-80. 11p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Containerless+processing%22">Containerless processing</searchLink><br /><searchLink fieldCode="DE" term="%22Nucleation%22">Nucleation</searchLink><br /><searchLink fieldCode="DE" term="%22Supercooling%22">Supercooling</searchLink><br /><searchLink fieldCode="DE" term="%22Acoustic+levitation%22">Acoustic levitation</searchLink><br /><searchLink fieldCode="DE" term="%22Graphene+oxide%22">Graphene oxide</searchLink><br /><searchLink fieldCode="DE" term="%22Nanofluids%22">Nanofluids</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Acoustic levitation constitutes an alternative experiment technology for avoiding contamination from container walls or other external objects. Graphene oxide nanofluid drop was acoustically levitated and solidified, and supercooling degree of nanofluid drop at different cooling temperatures was measured. The supercooling degree of nanofluid drop can be reduced by 59.79% in comparison to that of the deionized water, and the reduction of supercooling degree gradually weakens with the decrease of cooling temperature. Based on Wenzel's wetting model, the authors established a new physical model of nanosheet to analyze the effect of rough surface on the nucleation behavior and supercooling degree, revealing that only on the upper or lower surfaces of the nanosheets can crystal nucleus form and grow, and nucleation on the thickness surface is difficult. Furthermore, a model for predicting nucleation rate of nanofluid was proposed, suggesting that the nucleation rate increases significantly with the increasing of supercooling degree. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of Refrigeration is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1016/j.ijrefrig.2015.07.036
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 11
        StartPage: 70
    Subjects:
      – SubjectFull: Containerless processing
        Type: general
      – SubjectFull: Nucleation
        Type: general
      – SubjectFull: Supercooling
        Type: general
      – SubjectFull: Acoustic levitation
        Type: general
      – SubjectFull: Graphene oxide
        Type: general
      – SubjectFull: Nanofluids
        Type: general
    Titles:
      – TitleFull: Containerless nucleation behavior and supercooling degree of acoustically levitated graphene oxide nanofluid PCM.
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            NameFull: Yudong, Liu
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            NameFull: Chuangjian, Su
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            NameFull: Pengfei, Hu
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            NameFull: Quangui, Peng
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            NameFull: Liuzhu, Wei
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            – D: 01
              M: 12
              Text: Dec2015
              Type: published
              Y: 2015
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