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A phenomenological interpretation and correlation of drag reduction
Author(s) -
Astarita Gianni,
Greco Guido,
Nicodemo Luigi
Publication year - 1969
Publication title -
aiche journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.958
H-Index - 167
eISSN - 1547-5905
pISSN - 0001-1541
DOI - 10.1002/aic.690150417
Subject(s) - drag , dimensionless quantity , reduction (mathematics) , interpretation (philosophy) , mechanics , phenomenological model , parasitic drag , thermodynamics , mathematics , materials science , physics , philosophy , statistics , geometry , linguistics
Drag reduction data for five concentrations of a water‐soluble polymer and three tube diameters are presented. The data are correlated by a single curve relating two dimensionless parameters; these have been obtained from a phenomenological analysis of the mechanism of drag reduction.