The Modeling Of Dough Mixing With Free Surfaces In Two
And Three Dimensions
Author(s)
M.F. Webster, D. Ding, K.S. Sujatha
Abstract
The modeling of dough mixing with free surfaces
in two and three dimensions
M.F. Webster, D. Ding & K.S. Sujatha
Institute of Non-Newtonian Fluid Mechanics, University of Wales, UK
Abstract
This paper reports work on the two and three-dimensional numerical simulation of
dough mixing with free surfaces, that arises in the food processing industry. Free
surface flow in a rotating cylinder is investigated when a fluid is mixed in a
cylinder with a stirrer. Different dough mixer designs are investigated. The rotating
stirrer may be placed either in a concentric or eccentric arrangement with respect to
the axis of the vessel being horizontal or vertical. The equations are solved in a
three dimensional cylindrical polar coordinate system. The numerical simulation is
based on a Taylor-Galerkin finite element formation, with an arbitrary Lagrangian-
Eulerian scheme to accommodate free surface movement. Predictions compare
closely to equivalent experimental results.
1 Introduction
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