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Drag reduction characteristics of polysaccharide xanthan gum
Author(s) -
Kim C. A.,
Choi H. J.,
Kim C. B.,
Jhon M. S.
Publication year - 1998
Publication title -
macromolecular rapid communications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.348
H-Index - 154
eISSN - 1521-3927
pISSN - 1022-1336
DOI - 10.1002/(sici)1521-3927(19980801)19:8<419::aid-marc419>3.0.co;2-0
Subject(s) - xanthan gum , drag , polysaccharide , polymer , reduction (mathematics) , drag coefficient , materials science , chemical engineering , chemistry , chromatography , rheology , thermodynamics , composite material , organic chemistry , physics , mathematics , engineering , geometry
The turbulent drag reduction characteristics of the rod‐like polysaccharide xanthan gum dissolved in water was investigated using a rotating disk apparatus. The ultrasonic degradation method was adopted to obtain polymer fractions of different molecular weights of xanthan gum for this study. The drag reduction curve was then plotted to observed the universal characteristics of xanthan gum, and the intrinsic concentration was found to be an extremely useful quantity in normalizing the drag reduction data for different molecular weights.