Abstract
While recent remrmalization group studies predict shear thickening in the limit of large Weissenberg numbers, scaling theories predict shear thinning. The ocntroversy is related to the question whether the Weissenberg number or the shear rate should be kept fixed when taking the limit of infinitely long polymers.
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Rabin, Y., Öttinger, H.C. & Kawasaki, K. On Shear Thinning in Dilute Polymer Solutions. MRS Online Proceedings Library 177, 181–185 (1989). https://doi.org/10.1557/PROC-177-181
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DOI: https://doi.org/10.1557/PROC-177-181