Modelling And Numerical Simulation Of The
Simultaneous Heat And Mass Transfer During
Food Freezing And Storage
Author(s)
A.M. Tocci & R.H. Mascheroni
Abstract
Modelling and numerical simulation of the
simultaneous heat and mass transfer during
food freezing and storage
A.M. Tocci & R.H. Mascheroni
Centra de Investigation y Desarrollo en
Criotecnologia de Alimentos - CIDCA,
ABSTRACT
A numerical model is developed for the prediction of simultaneous heat and
mass transfer during food freezing and storage. The resulting system of
coupled partial differential equations, with variable coefficients was solved by
two explicit finite difference methods, one with constant mesh size and the
other of equal volume elements. The prediction method was applied to the
calculation of temperature and water concentration profiles, freezing time and
weight loss of meat balls and hamburgers under industrial freezing conditions.
INTRODUCTION
Weight loss due to sublimation during the freezing and storage of foodstuffs
is an important economic and quality factor. Water loss produces changes in
food overall appearance, colour, texture and taste. Besides we
Keywords
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