Turbulent structure of surfactant solution

The behaviour of biologically degradable zwitterionic in the turbulent pipe flow has been investigated. A two component LDA system was used to perform detailed measurements of the turbulent characteristics. Two flow patterns are reported. The first one is related to the maximum drag reduction effici...

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Published inZeszyty Naukowe Akademii Rolniczej we Wroclawiu. Konferencje (Poland) no. 382
Main Authors Chara, Z, Myska, J, Vlasak, P. (Institute of Hydrodynamics ASCR, Prague (Czech Republic))
Format Journal Article
LanguageEnglish
Published 2000
Subjects
FLUID MECHANICS
MEASUREMENT
MECANICA DE FLUIDOS
MECANIQUE DES FLUIDES
MEDICION
MESURE
PIPES
SURFACTANT
SURFACTANTES
SURFACTANTS
TUBERIA
TUYAU
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Summary:The behaviour of biologically degradable zwitterionic in the turbulent pipe flow has been investigated. A two component LDA system was used to perform detailed measurements of the turbulent characteristics. Two flow patterns are reported. The first one is related to the maximum drag reduction efficiency, the second one is related to the flow region just over a critical condition when a micelle structure is partly broken up. It was found that the velocity profile of the first flow pattern is rather laminar than turbulent near the wall. The flow just over a critical conditions is characterised by a formation of large scaled eddies
Bibliography:2003001411
83-87866-12-1
N01
ISBN:8387866121
9788387866129
ISSN:0867-7964