1985
DOI: 10.1007/bf01332608
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Die Wirkung von Polymerzus�tzen auf die Turbulenzstruktur in der ebenen Mischungsschicht zweier Str�me

Abstract: Zusammenfassung: Die ffir newtonsche Flfissigkeiten vielfach untersuchte ebene Mischungsschicht zweier Str6me bietet als einfachster Typ einer freien turbulenten Grenzschicht und wegen ihrer experimentell leichten Zugiinglichkeit eine gute M6glichkeit, AufschluB fiber die Beeinflussung der nicht wandgebundenen Turbulenz durch widerstandsvermindernde Zus~itze zu gewinnen. Das gilt um so mehr, als hier eine augenfNlige charakteristische Wirbelstruktur vorhanden ist, die von der fiberlagerten statistischen Feintu… Show more

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Cited by 6 publications
(1 citation statement)
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“…A general conclusion is drawn from studies prior to 1990's that no pure elastic instabilities exist in the parallel shear viscoelastic flows [8]. The first stability analysis of a viscoelastic fluid planar mixing layer, formed by two fluid streams moving with equal speeds in opposite directions, shows that the elastic stress has a stabilizing effect for Re 1 and W i 1 [9], in agreement with the results of early experimental studies [10,11]. In an insightful theoretical study, Hinch considered an elastic membrane between two counter-propagating Newtonian fluid streams, similar to two-fluid Newtonian streams with surface tension at the interface (see appendix in Ref.…”
Section: Introductionsupporting
confidence: 76%
“…A general conclusion is drawn from studies prior to 1990's that no pure elastic instabilities exist in the parallel shear viscoelastic flows [8]. The first stability analysis of a viscoelastic fluid planar mixing layer, formed by two fluid streams moving with equal speeds in opposite directions, shows that the elastic stress has a stabilizing effect for Re 1 and W i 1 [9], in agreement with the results of early experimental studies [10,11]. In an insightful theoretical study, Hinch considered an elastic membrane between two counter-propagating Newtonian fluid streams, similar to two-fluid Newtonian streams with surface tension at the interface (see appendix in Ref.…”
Section: Introductionsupporting
confidence: 76%