Response of shear stress to ac electric fields under steady shear flow in a droplet-dispersed phase


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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/42550

Title:	Response of shear stress to ac electric fields under steady shear flow in a droplet-dispersed phase
Authors:	Na, Yang Ho Browse this author
	Aida, Kohei Browse this author
	Sakai, Ryosuke Browse this author
	Kakuchi, Toyoji Browse this author
	Orihara, Hiroshi Browse this author →KAKEN DB
Issue Date:	Dec-2009
Publisher:	American Physical Society
Journal Title:	Physical Review E
Volume:	80
Issue:	6
Start Page:	061803
Publisher DOI:	10.1103/PhysRevE.80.061803
PMID:	20365183
Abstract:	We have measured the response of shear stress to ac electric fields under steady shear flow in the droplet-dispersed phase of an immiscible polymer blend. A characteristic mode was found under steady shear flow, the relaxation frequency of which increased with increasing the shear rate. In the frequency dispersion, a scaling relation derived from dimensional analysis was confirmed to hold. The origin of the mode was investigated on the basis of the Maffettone-Minale (MM) model, in which the droplet shape is described by a second-rank tensor. The frequency dispersion of the response was also calculated using a modified MM model.
Rights:	©2009 The American Physical Society
Type:	article
URI:	http://hdl.handle.net/2115/42550
Appears in Collections:	工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 折原宏

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