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VELOCITY PROFILES IN RECTANGULAR CHANNEL FLOW OF LIQUID-CRYSTALLINE POLYMER-SOLUTIONS

被引：13
作者：
GRIZZUTI, N
GUIDO, S
NASTRI, V
MARRUCCI, G
机构：
[1] Dipartimento di Ingegneria Chimica, Università di Napoli Federico II, Napoli, 80125, Pizzale V. Tecchio
来源：
RHEOLOGICA ACTA | 1991年 / 30卷 / 01期
关键词：
LIQUID CRYSTALLINE POLYMERS; VELOCITY PROFILES; CHANNEL FLOW; INJECTION MOLDING;
D O I：
10.1007/BF00366796
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The motion of aqueous solutions of hydroxypropylcellulose in a shallow channel was visualized by means of an electrochemical technique. Isotropic and anisotropic solutions of approximately the same viscosity were used. The velocity profiles of the liquid crystalline solution were found to be qualitatively very different from those of the isotropic one. In particular, anomalous maxima in the velocity near the side walls were observed.
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页码：71 / 76
页数：6
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