Turbulent drag reduction of polyacrylamide solutions: Effect of degradation on molecular weight distribution

Journal of Non-Newtonian Fluid Mechanics

Volumn 123, Issue 2-3, 2004, Pages 175-183

  Liberatore, Matthew W ^a   Baik, Seunghyun ^a   McHugh, Anthony J ^a,b   Hanratty, Thomas J ^a  

^a UNIVERSITY OF ILLINOIS AT URBANA CHAMPAIGN   (United States)

^b Lehigh University   (United States)

Author keywords

Degradation; Molecular weight distribution; Polyacrylamide; Polymer aggregates; Polymer drag reduction; Rheo optics

Indexed keywords

CHANNEL FLOW; CONCENTRATION (PROCESS); DRAG; GEL PERMEATION CHROMATOGRAPHY; MOLECULAR WEIGHT; SOLUTIONS; TURBULENT FLOW; VELOCITY MEASUREMENT;

MOLECULAR AGGREGATION; PARTICLE IMAGE VELOCIMETRY (PIV); POLYMER DRAG REDUCTION; TURBULENT DRAG REDUCTION;

POLYACRYLATES;

DRAG; MATHEMATICAL ANALYSIS; MODELING; MOLECULAR WEIGHT; TURBULENCE;

EID: 8844232757     PISSN: 03770257     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jnnfm.2004.08.006     Document Type: Article

References (25)

1. E.H. Dunlop L.R. Cox Influence of molecular aggregates on drag reduction Phys. Fluids 20 No. 10 Pt. II 1977 S203-S213
2. M. Vlachogiannis, T.J. Hanratty, Influence of wavy structured surfaces and polymer aggregation on drag reduction, Exp. Fluids, in press.
3. D.A. White Prelimary experiments on polymer degradation in a turbulent shear field Chem. Eng. Sci. 25 8 1970 1255-1258
4. N.S. Berman Drag reduction of the highest molecular weight fractions of polyethylene oxide Phys. Fluids 20 5 1977 715-718
5. B. Gampert P. Wagner The influence of molecular weight and molecular weight distribution on drag reduction and mechanical degradation in turbulent flows of highly dilute polymer solutions In: B. Gampert (Ed.) The Influence of Polymer Additives on Velocity and Temperature Fields 1985 Springer-Verlag New York 71-85
6. R. Little Drag reduction in capillary tubes as a function of polymer concentration and molecular weight J. Coll. Interf. Sci. 37 4 1971 811-818
7. D. Fisher F. Rodriguez Degradation of drag reducing polymers J. Appl. Polym. Sci. 15 1971 2975-2985
8. D.L. Hunston M.M. Reischman The role of polydispersity in the mechanism of drag reduction Phys. Fluids 18 12 1975 1626-1629
9. M. Vlachogiannis M.W. Liberatore A.J. McHugh T.J. Hanratty Effectiveness of a drag reducing polymer: Relation to molecular weight distribution and structuring Phys. Fluids 15 12 2003 3786-3794
10. M.W. Liberatore E.J. Pollauf A.J. McHugh Shear-induced structure formation in solutions of drag reducing polymers J. Non-Newton. Fluid Mech. 113 2003 193-208
11. M.D. Warholic H. Massah T.J. Hanratty Influence of drag-reducing polymers on turbulence: Effects of Reynolds number, concentration and mixing Exp. Fluids 27 1999 461-472
12. S. Nakagawa T.J. Hanratty Particle image velocimetry measurements of flow over a wavy wall Phys. Fluids 13 2001 3505-3507
13. S. Nakagawa Y. Na T.J. Hanratty Influence of a wavy boundary on turbulence. Part i. Highly rough surface Exp. Fluids 35 2003 422-436
14. S. Nakagawa T.J. Hanratty Influence of a wavy boundary on turbulence. Part ii. Intermediate roughened and hydraulically smooth surfaces Exp. Fluids 35 2003 437-447
15. R.J. Adrian Scattering particle characteristics and their effect on pulsed laser measurements of fluid flow: Speckle velocimetry vs. particle image velocimetry Appl. Opt. 23 1984 1690-1691
16. R.J. Adrian Particle imaging techniques for experimental fluid mechanics Ann. Rev. Fluid Mech. 23 1986 261-304
17. Z.C. Liu, R.J. Adrian, T.J. Hanratty, Large scale modes of turbulent channel flow: Transport and structure, J. Fluid. Mech., in press.
18. A.J. Kishbaugh A.J. McHugh A rheo-optical study of shear-thickening and structure formation in polymer solutions. Part I. Experimental Rheol. Acta 32 1993 9-24
19. B.J. Edwards A.J. McHugh A rheo-optical study of flow-induced pretransitional ordering in solutions of lyotropic semirigid macromolecules J. Rheol. 37 1993 743-773
20. M. Woodman, Column selection, Personal Communication, Waters Corporation, August 2001.
21. F.W. Billmeyer Textbook of Polymer Science 3rd ed. 1984 Wiley New York
22. M.D. Warholic D.K. Heist M. Katcher T.J. Hanratty A study with particle image velocimetry of the influence of drag reducing polymers on the structure of turbulence Exp. Fluids 31 2001 474-483
23. Y. Na T.J. Hanratty Z.C. Liu The use of dns to define stress producing events for turbulent flow over a smooth wall Flow Turbul. Combust. 66 2001 495-512
24. M.W. Liberatore, Dynamics of flow-induced structure formation in drag reducing polymer solutions, Ph.D. Thesis, University of Illinois, Urbana-Champaign, 2003.
25. A.J. Kishbaugh A.J. McHugh A note on the sensitivity of birefringence to polymer solution degradation J. Rheol. 36 6 1992 1213-1222