A New Control-Volume Finite-Element Scheme for Heterogeneous Porous Media: Application to the Drying of Softwood
Identifieur interne : 001B16 ( PascalFrancis/Corpus ); précédent : 001B15; suivant : 001B17A New Control-Volume Finite-Element Scheme for Heterogeneous Porous Media: Application to the Drying of Softwood
Auteurs : Elliot J. Carr ; Ian W. Turner ; Patrick PerreSource :
- Chemical engineering & technology [ 0930-7516 ] ; 2011.
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- Pascal (Inist)
English descriptors
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Abstract
An improved mesoscopic model is presented for simulating the drying of porous media. The aim of this model is to account for two scales simultaneously: the scale of the whole product and the scale of the heterogeneities of the porous medium. The innovation of this method is the utilization of a new mass-conservative scheme based on the Control-Volume Finite-Element (CV-FE) method that partitions the moisture content field over the individual sub-control volumes surrounding each node within the mesh. Although the new formulation has potential for application across a wide range of transport processes in heterogeneous porous media, the focus here is on applying the model to the drying of small sections of softwood consisting of several growth rings. The results conclude that, when compared to a previously published scheme, only the new mass-conservative formulation correctly captures the true moisture content evolution in the earlywood and latewood components of the growth rings during drying.
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Pour connaître la documentation sur le format Inist Standard.
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Format Inist (serveur)
NO : | PASCAL 11-0316720 INIST |
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ET : | A New Control-Volume Finite-Element Scheme for Heterogeneous Porous Media: Application to the Drying of Softwood |
AU : | CARR (Elliot J.); TURNER (Ian W.); PERRE (Patrick) |
AF : | Mathematical Sciences, Queensland University of Technology/Brisbane/Australie (1 aut., 2 aut.); Agro Paris Tech, LERFOB (Laboratory of Forestry and Wood Resources)/Nancy/France (3 aut.); Ecole Centrale Paris, LGPM (Laboratory of Chemical Engineering and Materials)/Chatenay-Malabry/France (3 aut.) |
DT : | Publication en série; Niveau analytique |
SO : | Chemical engineering & technology; ISSN 0930-7516; Coden CETEER; Allemagne; Da. 2011; Vol. 34; No. 7; Pp. 1143-1150; Bibl. 18 ref. |
LA : | Anglais |
EA : | An improved mesoscopic model is presented for simulating the drying of porous media. The aim of this model is to account for two scales simultaneously: the scale of the whole product and the scale of the heterogeneities of the porous medium. The innovation of this method is the utilization of a new mass-conservative scheme based on the Control-Volume Finite-Element (CV-FE) method that partitions the moisture content field over the individual sub-control volumes surrounding each node within the mesh. Although the new formulation has potential for application across a wide range of transport processes in heterogeneous porous media, the focus here is on applying the model to the drying of small sections of softwood consisting of several growth rings. The results conclude that, when compared to a previously published scheme, only the new mass-conservative formulation correctly captures the true moisture content evolution in the earlywood and latewood components of the growth rings during drying. |
CC : | 001D07 |
FD : | Milieu poreux; Séchage; Bois résineux; Modélisation; Hétérogénéité; Teneur eau; Phénomène transport |
ED : | Porous medium; Drying; Softwood; Modeling; Heterogeneity; Water content; Transport process |
SD : | Medio poroso; Secado; Madera de coníferas; Modelización; Heterogeneidad; Dosis agua; Fenómeno transporte |
LO : | INIST-20728.354000190451950160 |
ID : | 11-0316720 |
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Pascal:11-0316720Le document en format XML
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<front><div type="abstract" xml:lang="en">An improved mesoscopic model is presented for simulating the drying of porous media. The aim of this model is to account for two scales simultaneously: the scale of the whole product and the scale of the heterogeneities of the porous medium. The innovation of this method is the utilization of a new mass-conservative scheme based on the Control-Volume Finite-Element (CV-FE) method that partitions the moisture content field over the individual sub-control volumes surrounding each node within the mesh. Although the new formulation has potential for application across a wide range of transport processes in heterogeneous porous media, the focus here is on applying the model to the drying of small sections of softwood consisting of several growth rings. The results conclude that, when compared to a previously published scheme, only the new mass-conservative formulation correctly captures the true moisture content evolution in the earlywood and latewood components of the growth rings during drying.</div>
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<ET>A New Control-Volume Finite-Element Scheme for Heterogeneous Porous Media: Application to the Drying of Softwood</ET>
<AU>CARR (Elliot J.); TURNER (Ian W.); PERRE (Patrick)</AU>
<AF>Mathematical Sciences, Queensland University of Technology/Brisbane/Australie (1 aut., 2 aut.); Agro Paris Tech, LERFOB (Laboratory of Forestry and Wood Resources)/Nancy/France (3 aut.); Ecole Centrale Paris, LGPM (Laboratory of Chemical Engineering and Materials)/Chatenay-Malabry/France (3 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
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<EA>An improved mesoscopic model is presented for simulating the drying of porous media. The aim of this model is to account for two scales simultaneously: the scale of the whole product and the scale of the heterogeneities of the porous medium. The innovation of this method is the utilization of a new mass-conservative scheme based on the Control-Volume Finite-Element (CV-FE) method that partitions the moisture content field over the individual sub-control volumes surrounding each node within the mesh. Although the new formulation has potential for application across a wide range of transport processes in heterogeneous porous media, the focus here is on applying the model to the drying of small sections of softwood consisting of several growth rings. The results conclude that, when compared to a previously published scheme, only the new mass-conservative formulation correctly captures the true moisture content evolution in the earlywood and latewood components of the growth rings during drying.</EA>
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