Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 491007
Title Theoretical Modeling of Mechanical Behavior and Release Properties of Microcapsules
Author(s) Sagis, L.M.C.
Source In: Microencapsulation and Microspheres for Food Applications / Sagis, L.M.C., Amsterdam : Academic Press - ISBN 9780128003503 - p. 207 - 232.
Department(s) Physics and Physical Chemistry of Foods
Publication type Chapter in scientific book
Publication year 2015
Abstract Microcapsules in food often have a shell with a complex microstructure; the mechanical and structural properties of these shells affect the response of the capsules to deforming forces and the release kinetics of encapsulated components. In this chapter we will discuss a number of models which are typically used to model the behavior of microcapsule shells, such as the 3D film model, the diffuse interface model, and the 2D sharp interface model (or Gibbs dividing surface model). For the last model we show how constitutive models for the fluxes of mass, energy, and momentum, along and across the interface, can be derived using methods from the field of non equilibrium thermodynamics; we also give examples of how these models can be used to describe the behavior of microcapsules in a flow field. Theoretical and computational methods can be an important tool in the optimization of the design of an encapsulation system.
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