A structural generic model to predict the effective thermal conductivity of granular materials

M. K. Krokida; Z. B. Maroulis; M. S. Rahman

doi:10.1081/DRT-100107498

A structural generic model to predict the effective thermal conductivity of granular materials

M. K. Krokida, Z. B. Maroulis^*, M. S. Rahman

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

A generic structural model to estimate the effective thermal conductivity of granular foods is proposed based on a distribution coefficient. It is assumed that granular food materials in bulk can be considered as a two-phase system containing granules and an interstitial air phase, and while the granules are also be considered as a two-phase system containing dry mater and water. Two different distribution factors are defined, one for granular materials in bulk and another for the granules. The proposed model was applied successfully to granular starch.

Original language	English
Pages (from-to)	2277-2290
Number of pages	14
Journal	Drying Technology
Volume	19
Issue number	9
DOIs	https://doi.org/10.1081/DRT-100107498
Publication status	Published - Oct 2001
Externally published	Yes

Keywords

Density
Distribution factor
Porosity
Starch granules
Structural model

ASJC Scopus subject areas

General Chemical Engineering
Physical and Theoretical Chemistry

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10.1081/DRT-100107498

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author = "Krokida, {M. K.} and Maroulis, {Z. B.} and Rahman, {M. S.}",

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AU - Rahman, M. S.

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N2 - A generic structural model to estimate the effective thermal conductivity of granular foods is proposed based on a distribution coefficient. It is assumed that granular food materials in bulk can be considered as a two-phase system containing granules and an interstitial air phase, and while the granules are also be considered as a two-phase system containing dry mater and water. Two different distribution factors are defined, one for granular materials in bulk and another for the granules. The proposed model was applied successfully to granular starch.

AB - A generic structural model to estimate the effective thermal conductivity of granular foods is proposed based on a distribution coefficient. It is assumed that granular food materials in bulk can be considered as a two-phase system containing granules and an interstitial air phase, and while the granules are also be considered as a two-phase system containing dry mater and water. Two different distribution factors are defined, one for granular materials in bulk and another for the granules. The proposed model was applied successfully to granular starch.

KW - Density

KW - Distribution factor

KW - Porosity

KW - Starch granules

KW - Structural model

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A structural generic model to predict the effective thermal conductivity of granular materials

Abstract

Keywords

ASJC Scopus subject areas

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