Influence of polyacrylamide additions on the head loss in abrupt contractions and expansions of pipes

Data of an experimental investigation of the hydraulic resistance of the abrupt contractions and expansions of round pipes to the turbulent flow of polyacrylamide aqueous solutions are presented. An increase and a decrease in the head loss have been revealed. An explanation of the results obtained i...

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Bibliographic Details
Published inJournal of engineering physics and thermophysics Vol. 75; no. 4; pp. 910 - 919
Main Authors CHERNYUK, V. V, PITSISHIN, B. S, OREL, V. I, ZHUK, V. M
Format Journal Article
LanguageEnglish
Published New York, NY Consultants Bureau 01.07.2002
Springer Nature B.V
Subjects
Aqueous solutions
Exact sciences and technology
Flows in ducts, channels, nozzles, and conduits
Fluid dynamics
Fundamental areas of phenomenology (including applications)
Physics
Studies
Turbulence control
Turbulent flow
Turbulent flows, convection, and heat transfer
Sudden contraction
Additives
Turbulent flow
Quantity ratio
Polymer solutions
Pipe flow
Drag reduction
Circular pipe
Experimental study
Sudden enlargement
Hydraulic resistance
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Summary:Data of an experimental investigation of the hydraulic resistance of the abrupt contractions and expansions of round pipes to the turbulent flow of polyacrylamide aqueous solutions are presented. An increase and a decrease in the head loss have been revealed. An explanation of the results obtained is given.[PUBLICATION ABSTRACT]
ISSN:1062-0125
1573-871X
DOI:10.1023/A:1020319219729