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BibTeX
New generalized Newtonian fluid models for quantitative description of complex viscous behavior in shear flows
Polymer engineering and science, 2018-08, Vol.58 (8), p.1446-1455
Steller, Ryszard
Iwko, Jacek
2018
Details
Autor(en) / Beteiligte
Steller, Ryszard
Iwko, Jacek
Titel
New generalized Newtonian fluid models for quantitative description of complex viscous behavior in shear flows
Ist Teil von
Polymer engineering and science, 2018-08, Vol.58 (8), p.1446-1455
Ort / Verlag
Newtown: Society of Plastics Engineers, Inc
Erscheinungsjahr
2018
Link zum Volltext
Quelle
Wiley Online Library
Beschreibungen/Notizen
Two semiempirical models of generalized Newtonian fluid are discussed. Special attention was focused on the stress dependent model based on the free volume theory. However, the strain‐rate dependent model in form of a modified viscosity function resulting from Oldroyd equation is also presented. Both models (along with specific cases) reflecting pseudoplastic or dilatant behavior of liquids in shear flows are generalized to multimode models (defined as products of two or more basic models), which are able to describe quantitatively the behavior of more complex systems, for example, systems with pseudoplastic and dilatant properties in different shear stress (shear rate) ranges. A number of practical examples for viscosity curves of non‐Newtonian fluids described by these models are given. The questions of inverse models and model efficiency are also discussed. POLYM. ENG. SCI., 58:1446–1455, 2018. © 2017 Society of Plastics Engineers
Sprache
Englisch
Identifikatoren
ISSN: 0032-3888
eISSN: 1548-2634
DOI: 10.1002/pen.24741
Titel-ID: cdi_gale_infotracacademiconefile_A556468499
Format
–
Schlagworte
chemical physics
,
chemical sciences
,
Complex system
,
Complex systems
,
Computational fluid dynamics
,
Dilatant
,
Fluid Dynamics
,
Generalized Newtonian fluid
,
Materials science
,
Mathematical models
,
Mechanics
,
natural sciences
,
Newtonian fluids
,
Non-Newtonian fluids
,
physical sciences
,
Physics
,
Polymers
,
Pseudoplasticity
,
Shear (geology)
,
Shear flow
,
Shear rate
,
Shear stress
,
Shear thinning
,
Statistical physics
,
Viscosity
,
Viscous flow
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