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Rheometric Study of Apparent Wall Slip in Microdispersions
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SYSNO ASEP 0360997 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Rheometric Study of Apparent Wall Slip in Microdispersions Author(s) Večeř, M. (CZ)
Pěnkavová, Věra (UCHP-M) RID, ORCID, SAI
Wein, Ondřej (UCHP-M) RID, SAISource Title Annual Transactions the Nordic Rheology Society, Volume 19. - Göteborg : Chalmers Reproservice, 2011 / Sjoqvist M. - ISSN 1601-4057 - ISBN 978-952-15-2589-6 Pages s. 307-312 Number of pages 6 s. Action The Nordic Rheology Conference Event date 08.06.2011-10.06.2011 VEvent location Helsinki Country FI - Finland Event type WRD Language eng - English Country SE - Sweden Keywords apparent wall slip ; microdispersion ; rheology Subject RIV CI - Industrial Chemistry, Chemical Engineering R&D Projects GA104/09/0972 GA ČR - Czech Science Foundation (CSF) GA104/07/1110 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z40720504 - UCHP-M (2005-2011) Annotation Rheometric evidence of the apparent wall slip (AWS) effect is the main subject of this paper. It is necessary, to treat together primary viscometric data from viscometric configurations with different hydraulic radii (e.g. different gap thickness h). The simultaneous using of several configurations is the feature which distinguishes a classical viscometry from the AWS viscometry. Three various sensors for the AWS rotational viscometry are considered here. Two conventional sensors – coaxial cylinders (ZZ) and parallel plates (PP) – are compared with a novel sensor, the coaxial Morse-cone (KK), which seems to be most suitable for the viscometry under AWS effect. The related viscometric theory, based on two material functions – for fluidity and slip - is implemented to the PC software AWSWork, which supports the joint treating of primary viscometric data from different sensors. Workplace Institute of Chemical Process Fundamentals Contact Eva Jirsová, jirsova@icpf.cas.cz, Tel.: 220 390 227 Year of Publishing 2012
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