CIDCA   05380
CENTRO DE INVESTIGACION Y DESARROLLO EN CRIOTECNOLOGIA DE ALIMENTOS
Unidad Ejecutora - UE
congresos y reuniones científicas
Título:
Using Computational Fluid-Dynamics (CFD) for the Evaluation of Tomato Puree Pasteurization: Effect of Orientation of Bottle.
Autor/es:
A. R. LESPINARD; R. H. MASCHERONI
Lugar:
Curutiba
Reunión:
Conferencia; Comsol conference 2014 Curitiba; 2014
Institución organizadora:
Comsol
Resumen:
Little
is known about the temperature and velocity profiles during the thermal
processes of liquid foods, which results in over-dimensioned processes to
guarantee safety, decreasing the product quality. For this purpose, Computational
fluid-dynamics (CFD) offers a powerful tool for numerical predictions of the
transient temperature and velocity profiles during natural convection heating
of packed liquid foods. The aim of this work was the development of a model
that allows to predict the effect of orientation of package on temperature
distribution, flow pattern, position of slowest heating zone, processing time
and quality changes in tomato puree during pasteurization. It was observed that
among the different orientations, the lowest processing time was obtained for
the horizontal orientation, while that no difference was found between the
process times for the conventional and inverted orientations. Therefore, the
lowest loss of quality, quantified by C-value,
was achieved when the bottle was horizontally positioned.