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http://yadda.icm.edu.pl:80/baztech/element/bwmeta1.element.baztech-article-BPZ2-0011-0022

Czasopismo

Applied Mechanics and Engineering

Tytuł artykułu

Flows of generalized second grade fluids in rectilinear channels

Autorzy Walicki, E.  Walicka, A. 
Treść / Zawartość
Warianty tytułu
Języki publikacji EN
Abstrakty
EN In this work the authors consider laminar flows of generalized second grade fluids in rectilinear channels. These fluids do exhibit both viscoplastic and viscoelastic behaviour. In the model of fluid under analysis the viscoplastic behaviour is described by Shulman equation, and the viscoelastic behaviour by Rivlin-Ericksen equation for a second grade fluid. A connection between the above mentioned behaviours is modelled in the following way: the constant coefficent of shear viscosity of a fluid of second grade fluid is replaced by a shear viscosity taken from a viscoplastic fluid modelled by Shulman equation. If the normal stress coefficients are set equal to zero, this model reduces to the standard viscoplastic Shulman model. The solutions are obtained for Poiseuille and Couette flows in the case of constant values of material coefficients.
Słowa kluczowe
PL hydromechanika  
EN second grade fluids   rectilinear channels   viscoplastic and viscoelastic behaviour  
Wydawca Politechnika Zielonogórska
Czasopismo Applied Mechanics and Engineering
Rocznik 1999
Tom Vol. 4, no 2
Strony 375--395
Opis fizyczny Bibliogr. 17 poz., rys., tab.
Twórcy
autor Walicki, E.
autor Walicka, A.
  • Technical University of Zielona Góra, Department of Mechanics ul. Szafrana 2, P.O.Box 47, 65-016 Zielona Góra, POLAND
Bibliografia
Kolekcja BazTech
Identyfikator YADDA bwmeta1.element.baztech-article-BPZ2-0011-0022
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