Abstract
A flow model may be considered to be a mathematical equation that can describe rheological data, such as shear rate versus shear stress, in a basic shear diagram, and that provides a convenient and concise manner of describing the data. Occasionally, such as for the viscosity versus temperature data during starch gelatinization, more than one equation may be necessary to describe the rheological data. In addition to mathematical convenience, it is important to quantify how magnitudes of model parameters are affected by state variables, such as temperature, and the effect of structure/composition (e.g., concentration of solids) of foods and establish widely applicable relationships that may be called functional models.
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Rao, M.A. (2007). Flow and Functional Models for Rheological Properties of Fluid Foods. In: Rheology of Fluid and Semisolid Foods. Food Engineering Series. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-70930-7_2
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DOI: https://doi.org/10.1007/978-0-387-70930-7_2
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