Instability of the interface in co-extru
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Jie Peng; Ke-Qin Zhu
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Article
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2011
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Elsevier Science
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English
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The effect of an insoluble surfactant on the flow instability of two upper convected Maxwell (UCM) fluid co-extrusion flow in a circular pipe is studied using a linear normal-mode and complementary energy analysis. The influences of surfactant and fluid elasticity on the interfacial instability at l