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Rheological Model for Describing Viscometric Flows of Melts of Branched Polymers
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SYSNO ASEP 0459861 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Rheological Model for Describing Viscometric Flows of Melts of Branched Polymers Tvůrce(i) Merzlikina, D.A. (RU)
Pyshnograi, G. (RU)
Pivokonský, Radek (UH-J) SAI, ORCID, RID
Filip, Petr (UH-J) ORCID, RID, SAIZdroj.dok. Journal of Engineering Physics and Thermophysics - ISSN 1062-0125
Roč. 89, č. 3 (2016), s. 652-659Poč.str. 8 s. Forma vydání Tištěná - P Jazyk dok. eng - angličtina Země vyd. BY - Bělorusko Klíč. slova rheology ; polymer melts ; mesoscopic approach ; rheological equation of state ; viscometric fl ows Vědní obor RIV BK - Mechanika tekutin Obor OECD Fluids and plasma physics (including surface physics) Institucionální podpora UH-J - RVO:67985874 UT WOS 000384842800016 EID SCOPUS 84974698952 DOI 10.1007/s10891-016-1423-7 Anotace The present paper considers the problem of constructing a rheological constitutive relation for melts of branched polymers with the use of a modified Vinogradov–Pokrovskii rheological model generalized to the case of several noninteracting models, each of which corresponds to the account in the stress tensor of the contribution of a particular polymer fraction and is characterized by its own relaxation time and viscosity. Since the number of model parameters markedly increases thereby, simple dependences of its parameters on the mode number are proposed. On the basis of the obtained model, the nonlinear nonstationary effects at simple shear and uniaxial tensor have been considered. Pracoviště Ústav pro hydrodynamiku Kontakt Soňa Hnilicová, hnilicova@ih.cas.cz, Tel.: 233 109 003 Rok sběru 2017
Počet záznamů: 1