AustralieFrV1, Main, Exploration, bibRecord, 009F66

Estimation of concentration-dependent diffusion coefficient in drying process from the space-averaged concentration versus time with experimental data

Identifieur interne : 009F66 ( Main/Exploration ); précédent : 009F65; suivant : 009F67

Estimation of concentration-dependent diffusion coefficient in drying process from the space-averaged concentration versus time with experimental data

Auteurs : Tahar Loulou [France] ; B. Adhikari [Australie] ; D. Lecomte [France]

Source :

Chemical engineering science [ 0009-2509 ] ; 2006.

RBID : Pascal:06-0523638

Descripteurs français

Pascal (Inist)
- Coefficient diffusion, Séchage, Algorithme, Problème inverse, Mesure concentration.

English descriptors

KwdEn :
- Algorithm, Concentration measurement, Diffusion coefficient, Drying, Inverse problem.

Abstract

The estimation of a concentration-dependent diffusion coefficient in a drying process is known as an inverse coefficient problem. The solution is sought wherein the space-average concentration is known as function of time (mass loss monitoring). The problem is stated as the minimization of a functional and gradient-based algorithms are used to solve it. Many numerical and experimental examples that demonstrate the effectiveness of the proposed approach are presented. Thin slab drying was carried out in an isothermal drying chamber built in our laboratory. The diffusion coefficients of fructose obtained with the present method are compared with existing literature results.

Affiliations:

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to stream Main, to step Curation: 009F66

Le document en format XML

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<front><div type="abstract" xml:lang="en">The estimation of a concentration-dependent diffusion coefficient in a drying process is known as an inverse coefficient problem. The solution is sought wherein the space-average concentration is known as function of time (mass loss monitoring). The problem is stated as the minimization of a functional and gradient-based algorithms are used to solve it. Many numerical and experimental examples that demonstrate the effectiveness of the proposed approach are presented. Thin slab drying was carried out in an isothermal drying chamber built in our laboratory. The diffusion coefficients of fructose obtained with the present method are compared with existing literature results.</div>
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Estimation of concentration-dependent diffusion coefficient in drying process from the space-averaged concentration versus time with experimental data

Estimation of concentration-dependent diffusion coefficient in drying process from the space-averaged concentration versus time with experimental data

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri