Effects of viscoelasticity on the retraction of a sheared drop

Effects of drop and matrix viscoelasticity on the retraction of a sheared drop are numerically investigated. Retraction of an Oldroyd-B drop in a Newtonian matrix is initially faster and later slower with increasing drop Deborah number. The observed behavior is explained using an ordinary differenti...

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Veröffentlicht in:	Journal of non-Newtonian fluid mechanics 2010-04, Vol.165 (7), p.340-349
Hauptverfasser:	Mukherjee, Swarnajay, Sarkar, Kausik
Format:	Artikel
Sprache:	eng
Schlagworte:	Chemistry Colloidal state and disperse state Competition Cross-disciplinary physics: materials science rheology Deborah number Differential equations Drop Drops and bubbles Emulsion Emulsions. Microemulsions. Foams Exact sciences and technology Fluid dynamics Fundamental areas of phenomenology (including applications) General and physical chemistry Heterogeneous liquids: suspensions, dispersions, emulsions, pastes, slurries, foams, block copolymers, etc Inclination Material form Mathematical models Non-Newtonian Non-newtonian fluid flows Nonhomogeneous flows Oldroyd B Physics Polymers Relaxation Retraction Rheology Viscoelasticity Viscosity
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