On the study of a reaction-diffusion particle model for clustering of self-propelled oil droplets on a surfactant solution

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DOI[10.14943/doctoral.k14640]to the data of the same series

On the study of a reaction-diffusion particle model for clustering of self-propelled oil droplets on a surfactant solution

Persistent ID (NDL): info:ndljp/pid/11977041

Material type: 博士論文

Author: Kim, Minsoo

Publisher: Hokkaido University

Publication date: 2021-09-24

Material Format: Digital

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Name of awarding university/degree: 北海道大学,博士(理学)

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Note (General)：: We experimentally and numerically investigate collective behaviors of oil droplets floating on a surfactant solution in a narrow circular channel. A c...

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Material Type: 博士論文
Title: On the study of a reaction-diffusion particle model for clustering of self-propelled oil droplets on a surfactant solution
Author/Editor: Kim, Minsoo
Author Heading: Kim, Minsoo
Publication, Distribution, etc.: Hokkaido University
Publication Date: 2021-09-24
Publication Date (W3CDTF): 2021-09-24
Alternative Title: 界面活性溶液上の自走油滴の集団運動に対する反応拡散-粒子モデルの研究
Contributor: 長山, 雅晴
栄, 伸一郎
田﨑, 創平
Degree grantor/type: 北海道大学
Date Granted: 2021-09-24
Date Granted (W3CDTF): 2021-09-24
Dissertation Number: 甲第14640号
Degree Type: 博士(理学)
Conferring No. (Dissertation): 甲第14640号
Text Language Code: eng
Alias of Author: キム, ミンス
NDC: 400
Target Audience: 一般
Note (General): We experimentally and numerically investigate collective behaviors of oil droplets floating on a surfactant solution in a narrow circular channel. A closed environment where a glass cover is placed on the channel shows that ethyl salicylate droplets on the surface of sodium dodecyl sulfate solution exhibit transient oscillatory dynamics, leading to the formation of a single cluster via the merging of sub-clusters. When the glass cover is removed, oscillatory behavior resumes, and the cluster breaks up. To understand these experimental findings, we introduce a mathematical model that combines equations of motion for droplets with a reaction-diffusion system, where droplet dynamics and the chemical reactions are considered on the one-dimensional surface, and the diffusion of chemicals in the air phase and the water phase is treated in the two-dimensional region. Our model successfully reproduces transient oscillations and the characteristics of cluster formation, and the effect of the glass cover. We argue that the long-range attractive interaction due to the global concentration profile of the solution suffices for the cluster formation.
(主査) 教授長山雅晴, 教授栄伸一郎, 准教授田﨑創平
理学院（数学専攻）
DOI: 10.14943/doctoral.k14640
https://doi.org/10.14943/doctoral.k14640
Persistent ID (NDL): info:ndljp/pid/11977041
https://dl.ndl.go.jp/pid/11977041
Collection: 障害者向け資料
Collection (Materials For Handicapped People:1): テキストデータ
Collection (particular): 国立国会図書館デジタルコレクション > デジタル化資料 > 博士論文
https://dl.ndl.go.jp/collections/A00014
Acquisition Basis: 博士論文（自動収集）
Date Accepted (W3CDTF): 2022-01-10T16:22:37+09:00
Format (IMT): PDF
Access Restrictions: 国立国会図書館内限定公開
Service for the Digitized Contents Transmission Service: 図書館・個人送信対象外
Availability of remote photoduplication service: 可
Periodical Title (URI): http://dx.doi.org/10.14943/doctoral.k14640
http://hdl.handle.net/2115/83460
Is Referenced By (URI): http://hdl.handle.net/2115/83458
Data Provider (Database): 国立国会図書館 : 国立国会図書館デジタルコレクション
https://dl.ndl.go.jp