Numerical analysis of the diffusion equation for composite solids: Application to grain drying

The drying of a hydroscopic porous solid consisting of two concentric spheres was simulated by means of Fick's second law of diffusion. The resulting mathematical equation and boundary conditions were numerically solved and the numerical solution was used to simulate the drying of two concentri...

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Detalles Bibliográficos
Autor principal: Aguerre, Roberto Jorge
Publicado: 1992
Materias:
Diffusion in solids
Drying
Finite difference method
Food products
Mathematical models
Porous materials
Simulation
Composite solids
Concentric spheres
Corn drying
Diffusion equation
Fick's law
Hygroscopic solids
Grain (agricultural product)
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_02608774_v17_n3_p201_Aguerre
http://hdl.handle.net/20.500.12110/paper_02608774_v17_n3_p201_Aguerre
Aporte de:
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paper:paper_02608774_v17_n3_p201_Aguerre
record_format dspace
spelling paper:paper_02608774_v17_n3_p201_Aguerre2023-06-08T15:22:21Z Numerical analysis of the diffusion equation for composite solids: Application to grain drying Aguerre, Roberto Jorge Diffusion in solids Drying Finite difference method Food products Mathematical models Porous materials Simulation Composite solids Concentric spheres Corn drying Diffusion equation Fick's law Hygroscopic solids Grain (agricultural product) The drying of a hydroscopic porous solid consisting of two concentric spheres was simulated by means of Fick's second law of diffusion. The resulting mathematical equation and boundary conditions were numerically solved and the numerical solution was used to simulate the drying of two concentric spheres with different shell thicknesses and relative resistances to moisture flow. The model was used to simulate the drying process of corn. From the comparison between theoretically predicted and observed drying curves it was found that the kernel-to-pericarp diffusivities ratio is about 0·1. © 1992. Fil:Aguerre, R.J. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 1992 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_02608774_v17_n3_p201_Aguerre http://hdl.handle.net/20.500.12110/paper_02608774_v17_n3_p201_Aguerre
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic Diffusion in solids
Drying
Finite difference method
Food products
Mathematical models
Porous materials
Simulation
Composite solids
Concentric spheres
Corn drying
Diffusion equation
Fick's law
Hygroscopic solids
Grain (agricultural product)
spellingShingle Diffusion in solids
Drying
Finite difference method
Food products
Mathematical models
Porous materials
Simulation
Composite solids
Concentric spheres
Corn drying
Diffusion equation
Fick's law
Hygroscopic solids
Grain (agricultural product)
Aguerre, Roberto Jorge
Numerical analysis of the diffusion equation for composite solids: Application to grain drying
topic_facet Diffusion in solids
Drying
Finite difference method
Food products
Mathematical models
Porous materials
Simulation
Composite solids
Concentric spheres
Corn drying
Diffusion equation
Fick's law
Hygroscopic solids
Grain (agricultural product)
description The drying of a hydroscopic porous solid consisting of two concentric spheres was simulated by means of Fick's second law of diffusion. The resulting mathematical equation and boundary conditions were numerically solved and the numerical solution was used to simulate the drying of two concentric spheres with different shell thicknesses and relative resistances to moisture flow. The model was used to simulate the drying process of corn. From the comparison between theoretically predicted and observed drying curves it was found that the kernel-to-pericarp diffusivities ratio is about 0·1. © 1992.
author Aguerre, Roberto Jorge
author_facet Aguerre, Roberto Jorge
author_sort Aguerre, Roberto Jorge
title Numerical analysis of the diffusion equation for composite solids: Application to grain drying
title_short Numerical analysis of the diffusion equation for composite solids: Application to grain drying
title_full Numerical analysis of the diffusion equation for composite solids: Application to grain drying
title_fullStr Numerical analysis of the diffusion equation for composite solids: Application to grain drying
title_full_unstemmed Numerical analysis of the diffusion equation for composite solids: Application to grain drying
title_sort numerical analysis of the diffusion equation for composite solids: application to grain drying
publishDate 1992
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_02608774_v17_n3_p201_Aguerre
http://hdl.handle.net/20.500.12110/paper_02608774_v17_n3_p201_Aguerre
work_keys_str_mv AT aguerrerobertojorge numericalanalysisofthediffusionequationforcompositesolidsapplicationtograindrying
_version_ 1768544084071284736

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