Journal
POLYMER REVIEWS
Volume 51, Issue 4, Pages 309-340Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/15583724.2011.615961
Keywords
wall slip; flow instability; rheology; polymer processing
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The no-slip is a fundamental assumption and generally-accepted boundary condition in rheology, tribology, and fluid mechanics with strong experimental support. The violations of this condition, however, are widely recognized in many situations, especially in the flow of non-Newtonian fluids. Wall slip could lead to large errors and flow instabilities, such as sharkskin formation and spurt flow, and hence complicates the analysis of fluid systems and introduces serious practical difficulties. In this article, we discuss slip at fluid-solid interface in an attempt to highlight the main issues related to this diverse complex phenomenon and its implications.
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