About: Effect of surfactant/counter ion ratio on durability and drag reduction effectiveness of micellar solutions

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The age of micellar solution influences substantially effectiveness of drag reduction in a turbulent flow in tubes. In this contribution are shown effects of both surfactant concentration and the ratio of the surfactant to the compound containing conter ion, and their role in degradation rate at aging.Experiments were made with different concentrations of cationic surfactant CTAB (Hexadecyltrimethyl ammonium bromide) in mixture with NaSal (Sodium salycilate). The age of micellar solution influences substantially effectiveness of drag reduction in a turbulent flow in tubes. In this contribution are shown effects of both surfactant concentration and the ratio of the surfactant to the compound containing conter ion, and their role in degradation rate at aging.Experiments were made with different concentrations of cationic surfactant CTAB (Hexadecyltrimethyl ammonium bromide) in mixture with NaSal (Sodium salycilate). (en) Stáří micelárních roztoků podstatně ovlivňuje schopnost snižovat tření při turbulentním proudění v trubkách. Byl studován jednak vliv kocentrace surfaktantu a jednak vliv poměru surfaktantu a přísady upravující iontovou sílu roztoku na stupeň degradace při stárnutí micelárního roztoku. Experimenty byly provedeny s různými koncentracemi kationaktivního surfaktantu CTAB (hexadecyltrimethylamonium bromid)ve směsi s NaSal (salycilan sodný). (cs)
Title	Effect of surfactant/counter ion ratio on durability and drag reduction effectiveness of micellar solutions Effect of surfactant/counter ion ratio on durability and drag reduction effectiveness of micellar solutions (en) Vliv poměru složek micelárních aditiv na trvanlivost roztoku a schopnost snižovat tření (cs)
skos:prefLabel	Effect of surfactant/counter ion ratio on durability and drag reduction effectiveness of micellar solutions Effect of surfactant/counter ion ratio on durability and drag reduction effectiveness of micellar solutions (en) Vliv poměru složek micelárních aditiv na trvanlivost roztoku a schopnost snižovat tření (cs)
skos:notation	RIV/67985874:_____/07:00092200!RIV08-AV0-67985874
http://linked.open.../vavai/riv/strany	čl. 090
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA101/06/1478), Z(AV0Z20600510)
http://linked.open...vai/riv/dodaniDat	2008
http://linked.open...aciTvurceVysledku	Myška, Jiří Mík, Václav Kořenář, Josef
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav pro hydrodynamiku AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	419129
http://linked.open...ai/riv/idVysledku	RIV/67985874:_____/07:00092200
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Drag reduction; Surfactants (en)
http://linked.open.../riv/klicoveSlovo	Surfactants Drag reduction
http://linked.open...ontrolniKodProRIV	[799BE4C5545F]
http://linked.open...v/mistoKonaniAkce	Svratka
http://linked.open...i/riv/mistoVydani	Praha
http://linked.open...i/riv/nazevZdroje	Engineering Mechanics 2007, book of extended abstracts
http://linked.open...in/vavai/riv/obor	BK
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Study of the effects of micellar additives on heat transfer and pressure losses
http://linked.open...UplatneniVysledku	2007
http://linked.open...iv/tvurceVysledku	Myška, Jiří Mík, Václav Kořenář, Josef
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2007-05-14 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Dynamics of Fluid Systems and Transformation Processes in Hydrosphere
number of pages	9 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Ústav termomechaniky AV ČR
https://schema.org/isbn	978-80-87012-06-2
is http://linked.open...avai/riv/vysledek of	Effect of surfactant/counter ion ratio on durability and drag reduction effectiveness of micellar solutions Effect of surfactant/counter ion ratio on durability and drag reduction effectiveness of micellar solutions Effect of surfactant/counter ion ratio on durability and drag reduction effectiveness of micellar solutions

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