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Degradation of drag‐reducing polymers
Author(s) -
Fisher Dennis H.,
Rodriguez Ferdinand
Publication year - 1971
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.1971.070151207
Subject(s) - polyacrylamide , drag , ethylene oxide , degradation (telecommunications) , polymer , reynolds number , chemical engineering , turbulence , materials science , flow (mathematics) , ethylene , poly ethylene , polymer degradation , polymer chemistry , composite material , chemistry , organic chemistry , mechanics , copolymer , computer science , catalysis , physics , engineering , telecommunications
A simple, fixed‐head flow device was used to characterize drag reduction by polymers in water. Using a parallel flow of water as a reference system, the Reynolds numbers ranged from 8600 to 12,000. The degradation of poly(ethylene oxide) and polyacrylamide during turbulent flow of dilute solutions (1 to 50 g/kl) was measured in terms of friction‐reducing effectiveness. Poly(ethylene oxide) decreases in effectiveness more rapidly than polyacrylamide in a recycling test.

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