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Journal of engineering physics

, Volume 35, Issue 5, pp 1343–1347 | Cite as

Nonisothermal flow of anomalously viscous liquids in the channels of screw extruders

  • V. P. Pervadchuk
  • V. I. Yankov
Article

Abstract

The nonisothermal flow of an anomalously viscous liquid in the channel of a screw extruder is analyzed with allowance for the influence of the side walls. A comparison with experimental data is given.

Keywords

Experimental Data Statistical Physic Side Wall Viscous Liquid Screw Extruder 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notation

x, y, z, xi, xj

Cartesian coordinates

H

height of channel

W

width of channel

L and S

lengths of the screw and of the channel

ϕ

pitch of the helical line

v0

velocity of the upper plate; i, j=1, 2, 3

wx, wy, wz

dimensionless velocities of the liquid

vx, vy, vz, vi, vj

true velocities of liquid particles

A1

pressure gradient

Q

bulk flow rate of the product

P

pressure

T

temperature

N

power

τij

components of the stress tensor

I2

second (quadratic) invariant of the tensor of deformation velocities

C and λ

specific heat and thermal conductivity of the liquid

ρ

density of the liquid

α1 and α2

heat-exchange coefficients

C0 and C1

thermophysical constants

η0, n,β, TH

rheological constants

T0

liquid temperature at the screw inlet

Re

Reynolds number

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Literature cited

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Copyright information

© Plenum Publishing Corporation 1979

Authors and Affiliations

  • V. P. Pervadchuk
    • 1
    • 2
  • V. I. Yankov
    • 1
    • 2
  1. 1.Perm Polytechnic InstituteUSSR
  2. 2.All-Union Scientific-Research Institute of Synthetic FibersKalinin

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