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Various aspects of measurement of uniaxial elongational viscosity of polymer melts
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SYSNO ASEP 0363398 Druh ASEP C - Konferenční příspěvek (mezinárodní konf.) Zařazení RIV D - Článek ve sborníku Název Various aspects of measurement of uniaxial elongational viscosity of polymer melts Tvůrce(i) Filip, Petr (UH-J) ORCID, RID, SAI Zdroj.dok. Recent Advances in Fluid Mechanics and Heat & Mass Transfer. - Athens : WSEAS Press, 2011 - ISBN 978-1-61804-026-8 Rozsah stran s. 230-234 Poč.str. 5 s. Akce IASME/WSEAS International Conference on Fluid Mechanics & Aerodynamics (FMA '11) /9./, IASME/WSEAS International Conference on Heat Transfer, Thermal Engineering and Environment (HTE '11) /9./ Datum konání 23.08.2011-25.08.2011 Místo konání Florence Země IT - Itálie Typ akce WRD Jazyk dok. eng - angličtina Země vyd. GR - Řecko Klíč. slova elongational viscosity ; polymer melts ; SER Universal Testing Platform Vědní obor RIV BK - Mechanika tekutin CEP GA103/08/1307 GA ČR - Grantová agentura ČR GA103/09/2066 GA ČR - Grantová agentura ČR CEZ AV0Z20600510 - UH-J (2005-2011) Anotace Experimental determination of uniaxial elongational viscosity of polymer melts still raises a number of basic questions concerning an approach how to carry out the measurements. In contrast to a determination of shear viscosity this problem is much more complicated including the theoretical background of the whole experimental process. As a possible alternative to the classical devices for measurement of uniaxial elongational viscosity there has been recently proposed and tested so-called SER Universal Testing Platform enabling its application in the commercial rotational rheometers without any additional alteration of the host system. The aim is to demonstrate the invariatness of dimensions of the rectangular polymer samples used with respect to the obtained values of uniaxial elongational viscosity. This is based on summarization of the experimental results taken within the wide range of widths and thicknesses of the experimental polymer samples used. Pracoviště Ústav pro hydrodynamiku Kontakt Soňa Hnilicová, hnilicova@ih.cas.cz, Tel.: 233 109 003 Rok sběru 2012
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