About: Experimental Evidence of Apparent Wall Slip Effect on Viscometers of Different Surface Quality

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Description	Aqueous polymer solutions commonly display both non-Newtonian bulk rheological behavior and apparent slip at liquid-solid interfaces (AWS effect). The AWS effect becomes important when transport characteristics are experimentally determined in measuring instruments with small hydraulic radii, e.g. in extremely narrow channels, commonly encountered also in micro-reactors, membrane and similar processes. The AWS effect is an interfacial phenomenological property and, hence, it can depend on the bulk material of the confining walls and on the surface finishing, as well. The proposed paper is focused on experimental viscometric study of AWS effect of aqueous polymer solutions: 1.5% wt solution of Na salt of Carboxymethylcellulose, 0.4%wt of Welan Gum and 1% wt of Polyacrylamide was chosen as the tested liquids. Four viscometric sensors (type KK) with different quality of surface (Stainless steel,Titanium, Alloy of Al and Mg,as well as Stainless steel with surface roughened by sandblasting) have been used. Aqueous polymer solutions commonly display both non-Newtonian bulk rheological behavior and apparent slip at liquid-solid interfaces (AWS effect). The AWS effect becomes important when transport characteristics are experimentally determined in measuring instruments with small hydraulic radii, e.g. in extremely narrow channels, commonly encountered also in micro-reactors, membrane and similar processes. The AWS effect is an interfacial phenomenological property and, hence, it can depend on the bulk material of the confining walls and on the surface finishing, as well. The proposed paper is focused on experimental viscometric study of AWS effect of aqueous polymer solutions: 1.5% wt solution of Na salt of Carboxymethylcellulose, 0.4%wt of Welan Gum and 1% wt of Polyacrylamide was chosen as the tested liquids. Four viscometric sensors (type KK) with different quality of surface (Stainless steel,Titanium, Alloy of Al and Mg,as well as Stainless steel with surface roughened by sandblasting) have been used. (en)
Title	Experimental Evidence of Apparent Wall Slip Effect on Viscometers of Different Surface Quality Experimental Evidence of Apparent Wall Slip Effect on Viscometers of Different Surface Quality (en)
skos:prefLabel	Experimental Evidence of Apparent Wall Slip Effect on Viscometers of Different Surface Quality Experimental Evidence of Apparent Wall Slip Effect on Viscometers of Different Surface Quality (en)
skos:notation	RIV/61989100:27360/10:86076460!RIV11-GA0-27360___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA104/09/0972)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Večeř, Marek
http://linked.open.../riv/druhVysledku	O - Ostatní výsledky nezařaditelné do žádného z výše uvedených druhů výsledku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola báňská - Technická univerzita Ostrava / Fakulta metalurgie a materiálového inženýrství
http://linked.open...dnocenehoVysledku	258288
http://linked.open...ai/riv/idVysledku	RIV/61989100:27360/10:86076460
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Apparent wall slip, Surface quality, Aqueous polymer solutions (en)
http://linked.open.../riv/klicoveSlovo	Apparent wall slip Aqueous polymer solutions Surface quality
http://linked.open...ontrolniKodProRIV	[38A5B991A9A4]
http://linked.open...in/vavai/riv/obor	CI
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Wall effects in flowing microdispersion liquids: apparent slip and electrokinetic potential
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Večeř, Marek Wein, O.
http://localhost/t...ganizacniJednotka	27360

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