2010年1月
The shear hysteresis in lamellar structure of surfactant-water binary system
CHEMICAL PHYSICS
- ,
- ,
- 巻
- 367
- 号
- 1
- 開始ページ
- 20
- 終了ページ
- 26
- 記述言語
- 英語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1016/j.chemphys.2009.10.009
- 出版者・発行元
- ELSEVIER SCIENCE BV
We study the shear effect on the lamellar structure of surfactants in water using dissipative particle dynamics simulations. Starting from a lamellar structure without shear flow, we increase the shear rate and then decrease it stepwisely. A weak shear changes the lamellar plane to be parallel to the shear direction though the lamellar normal has no specific direction on the plane normal to the shear direction. By increasing the shear rate, the lamellar normal eventually flips to the vorticity direction regardless of the initial configuration. Lamellar normal would stay along the vorticity direction on decreasing the shear rate. The hysteresis is also found in shear-stress. By varying the shear rate, the time needed to reach the final unique state is significantly shortened compared with that observed with a constant shear rate. We find a correlation between the excess shear-stress and the tilt angle of surfactant in lamellar. (C) 2009 Elsevier B.V. All rights reserved.
- リンク情報
-
- DOI
- https://doi.org/10.1016/j.chemphys.2009.10.009
- Web of Science
- https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=JSTA_CEL&SrcApp=J_Gate_JST&DestLinkType=FullRecord&KeyUT=WOS:000273433300003&DestApp=WOS_CPL
- URL
- http://www.scopus.com/inward/record.url?eid=2-s2.0-73449123737&partnerID=MN8TOARS
- URL
- http://orcid.org/0000-0002-3388-9227
- ID情報
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- DOI : 10.1016/j.chemphys.2009.10.009
- ISSN : 0301-0104
- ORCIDのPut Code : 35078606
- SCOPUS ID : 73449123737
- Web of Science ID : WOS:000273433300003