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  1. B200 工学部/工学研究科
  2. B200a 雑誌掲載論文
  3. 学術雑誌

Shear induced formation of lubrication layers of negative normal stress gels

http://hdl.handle.net/2237/27258
http://hdl.handle.net/2237/27258
07758259-8cef-43c1-a8b0-9b5c791a8123
名前 / ファイル ライセンス アクション
YamaMasDoiSM20170424Ver17.pdf YamaMasDoiSM20170424Ver17.pdf ファイル公開日:2018/10/07 (478.6 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2018-01-10
タイトル
タイトル Shear induced formation of lubrication layers of negative normal stress gels
言語 en
著者 Yamamoto, Tetsuya

× Yamamoto, Tetsuya

WEKO 74694

en Yamamoto, Tetsuya

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Masubuchi, Yuichi

× Masubuchi, Yuichi

WEKO 74695

en Masubuchi, Yuichi

Search repository
Doi, Masao

× Doi, Masao

WEKO 74696

en Doi, Masao

Search repository
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
抄録
内容記述 Many biopolymer gels generate negative normal stress, with which the polymer networks shrink in the normal of applied shear. Here we theoretically predict the sliding velocity of such a gel on a solid surface when a constant shear stress is applied to the gel. Our theory predicts that the negative normal stress drives the flow of the solvent in the gel and this produces a solvent layer between the gel and the surface. The sliding velocity of the gel is proportional to the thickness of the solvent layer and is a cubic function of the applied shear stress. With constant applied normal and shear stresses, the thickness of the solvent layer is a non-monotonic function of time with a maximum because the solvent flow from the gel to the solvent layer is dominant in the short time scale and the solvent flow from the solvent layer to the outside is dominant in a longer time scale. The maximum layer thickness depends on the ratio of the time scales of the solvent flow in the gel and in the solvent layer.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 Royal Society of Chemistry
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ AM
出版タイプResource http://purl.org/coar/version/c_ab4af688f83e57aa
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1039/c7sm01316g
ISSN
収録物識別子タイプ PISSN
収録物識別子 1744-683X
書誌情報 en : SOFT MATTER

巻 13, 号 37, p. 6515-6520, 発行日 2017-10-07
著者版フラグ
値 author
URI
識別子 http://doi.org/10.1039/c7sm01316g
識別子タイプ DOI
URI
識別子 http://hdl.handle.net/2237/27258
識別子タイプ HDL
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