POLYMER-CHAINS UNDER STRONG FLOWS - STEMS AND FLOWERS

被引：118

作者：

BROCHARDWYART, F

机构：

[1] Laboratoire PSI Institut Curie 11, Paris, F-75231, rue Pierre et Marie Curie

来源：

EUROPHYSICS LETTERS | 1995年 / 30卷 / 07期

关键词：

D O I：

10.1209/0295-5075/30/7/002

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Under a constant flow velocity V, a flexible polymer (in steady state) is expected to display three types of conformation: 1) unperturbed at low V; 2) ''trumpet'': partly stretched, with certain scaling laws (F. Brochard-Wyart, Europhys. Lett., 23 (1993) 105) at intermediate V; 3) ''stem and flower'' with a completely stretched portion (the stem) at high V. We discuss regime 3) here. We also consider transients where (starting from regime 3)) the flow is abruptly suppressed and the resulting decay law for the stem is of the Rouse type.

引用

页码：387 / 392

页数：6

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