Effects of non-linear rheology on electrospinning process: A model study

被引：15
|
作者：
Pontrelli, Giuseppe [1 ]
Gentili, Daniele [1 ]
Coluzza, Ivan [1 ]
Pisignano, Dario [2 ,3 ]
Succi, Sauro [1 ]
机构：
[1] CNR, Ist Applicaz Calcolo, I-00185 Rome, Italy
[2] Univ Salento, Dipartimento Matemat & Fis E De Giorgi, I-73100 Lecce, Italy
[3] CNR, Ist Nanosci, Natl Nanotechnol Lab, I-73100 Lecce, Italy
来源：
MECHANICS RESEARCH COMMUNICATIONS | 2014年 / 61卷
基金：
欧洲研究理事会;
关键词：
Electrospinning; Herschel-Bulkley; Viscoelasticity; Stable jet; ELECTRICALLY FORCED JETS; BENDING INSTABILITY; FLUIDS; NANOFIBERS; FIBERS;
D O I：
10.1016/j.mechrescom.2014.07.003
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
We develop an analytical bead-spring model to investigate the role of non-linear rheology on the dynamics of electrified jets in the early stage of the electrospinning process. Qualitative arguments, parameter studies as well as numerical simulations, show that the elongation of the charged jet filament is significantly reduced in the presence of a non-zero yield stress. This may have beneficial implications for the optimal design of future electrospinning experiments. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：41 / 46
页数：6
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