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Nucleation on active centers in confined volumes

https://hiroshima.repo.nii.ac.jp/records/2007287
https://hiroshima.repo.nii.ac.jp/records/2007287
ee47289d-f6be-4e41-8858-3a51cfbcc7ce
名前 / ファイル ライセンス アクション
JChemPhys_136_164506.pdf JChemPhys_136_164506.pdf (699.9 KB)
Item type デフォルトアイテムタイプ_(フル)(1)
公開日 2023-03-18
タイトル
タイトル Nucleation on active centers in confined volumes
言語 en
作成者 Kožíšek, Zdeněk

× Kožíšek, Zdeněk

en Kožíšek, Zdeněk

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Hikosaka, Masamichi

× Hikosaka, Masamichi

en Hikosaka, Masamichi

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Okada, Kiyoka

× Okada, Kiyoka

en Okada, Kiyoka

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Demo, Pavel

× Demo, Pavel

en Demo, Pavel

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アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利情報
権利情報 (c) 2012 American Institute of Physics
主題
主題Scheme NDC
主題 430
内容記述
内容記述 Kinetic equations describing nucleation on active centers are solved numerically to determine the number of supercritical nuclei, nucleation rate, and the number density of nuclei for formation both of droplets from vapor and also crystalline phase from vapor, solution, and melt. Our approach follows standard nucleation model, when the exhaustion of active centers is taken into account via the boundary condition, and thus no additional equation (expressing exhaustion of active centers) is needed. Moreover, we have included into our model lowering of supersaturation of a mother phase as a consequence of the phase transition process within a confined volume. It is shown that the standard model of nucleation on active centers (Avrami approach) gives faster exhaustion of active centers as compared with our model in all systems under consideration. Nucleation rate (in difference to standard approach based on Avrami model) is equal to the time derivative of the total number of nuclei and reaches some maximum with time. At lower nucleation barrier (corresponding to higher initial supersaturation or lower wetting angle of nucleus on the surface of active center) the exhaustion of active centers is faster. Decrease in supersaturation of the mother phase is faster at higher number of active centers.
言語 en
出版者
出版者 American Institute of Physics
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
関連情報
識別子タイプ DOI
関連識別子 10.1063/1.4705436
関連情報
識別子タイプ DOI
関連識別子 http://dx.doi.org/10.1063/1.4705436
収録物識別子
収録物識別子タイプ ISSN
収録物識別子 0021-9606
収録物識別子
収録物識別子タイプ NCID
収録物識別子 AA00694991
開始ページ
開始ページ 164506
書誌情報 Journal of Chemical Physics
Journal of Chemical Physics

巻 136, 号 16, p. 164506, 発行日 2012
旧ID 33888
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