Agrarian
Bulletin
of the Urals

Russian Journal of Agricultural Research

The publication is registered by the Ministry of the Russian Federation
for Affairs of the Press, Television and Radio Broadcasting and Mass Communication Media.
Registration certificate: PI number 77-12831 on May 31, 2002
Subscription index in catalog «Russian Press» - 16356
ISSN 1997 - 4868 (Print)

The Journal is included in the list of the leading peer-reviewed scientific journals and publications, which should be published by the main results of theses for the degree of doctor and Ph.D.
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Journal is included in the list of VAK (from 25.09.2017), No. 291

ISSN 2307-0005 (Online)
Key title: Agrarnyj vestnik Urala (Online)
Abbreviated key title: Agrar. vestn. Urala (Online)

Аграрный вестник Урала № 10 (89) 2011

Инженерия

Славнов Е. В. Доктор технических наук, профессор. Институт механики сплошных сред Уральского отделения РАН

Петров И. А. Аспирант, Институт механики сплошных сред УрО РАН

Анферов С. Д. Аспирант, Институт механики сплошных сред УрО РАН

УДК: 665.3:532.13

Relationships between shear rate and viscosity
for the rapeseed extrudate sample loaded under pressure
have been obtained for different mass fractions of oil. From
these approximate relationships, it follows that the rapeseed
extrudate is a significantly nonlinear medium, and the
dependence of its viscosity on shear rate can be described
by a power law. The viscosity of the extrudate increases
substantially with pressure under typical extrusion process
conditions. This effect is especially pronounced at low shear
rates, and it depends on the mass fraction of oil in the sample. 


Keywords:

rape extrudate, viscosity, oil fraction, shear rate, pressure, oil extraction.


References:


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