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Determination of the effective diffusion coefficient

Samo za registrovane korisnike
2011
Autori
Vasić, Miloš
Radojević, Zagorka
Arsenović, Milica
Grbavčić, Željko
Članak u časopisu (Objavljena verzija)
Metapodaci
Prikaz svih podataka o dokumentu
Apstrakt
The equation for drying kinetics is obtained, base on the analytical solution of the differential equation with a boundary condition in the form of the flux. This equation was initially developed by G. Efremov. In this paper a modification of the Efremov drying equation will be presented. Shrinkage correction will be included in that equation for the first time. Two programs were designed to compute the effective diffusion coefficient. First program did not include shrinkage effect during drying into the computation algorithm while the second one has included it. Two models for predicting the drying behavior were obtained as the result of cited programs calculation. First model did not include shrinkage (model 1) and second one (model 2) has included it. The predicted values obtained from model 2 fit with experimental data. Results presented in this study showed that the values of effective diffusion coefficient determined by designed computer programs have similar values with values a...vailable in literature related to the same coefficient determined for different clays.

Ključne reči:
software / effective diffusion coefficient / analytical solution
Izvor:
Revista Romana de Materiale/ Romanian Journal of Materials, 2011, 41, 2, 169-175
Finansiranje / projekti:
  • Razvoj i primena multifunkcionalnih materijala na bazi domaćih sirovina modernizacijom tradicionalnih tehnologija (RS-45008)

ISSN: 1583-3186

WoS: 000291847700011

Scopus: 2-s2.0-79959812234
[ Google Scholar ]
4
3
Handle
https://hdl.handle.net/21.15107/rcub_rims_152
URI
http://rims.institutims.rs/handle/123456789/152
Kolekcije
  • Radovi istraživača / Researchers' publications
Institucija/grupa
Institut za ispitivanje materijala
TY  - JOUR
AU  - Vasić, Miloš
AU  - Radojević, Zagorka
AU  - Arsenović, Milica
AU  - Grbavčić, Željko
PY  - 2011
UR  - http://rims.institutims.rs/handle/123456789/152
AB  - The equation for drying kinetics is obtained, base on the analytical solution of the differential equation with a boundary condition in the form of the flux. This equation was initially developed by G. Efremov. In this paper a modification of the Efremov drying equation will be presented. Shrinkage correction will be included in that equation for the first time. Two programs were designed to compute the effective diffusion coefficient. First program did not include shrinkage effect during drying into the computation algorithm while the second one has included it. Two models for predicting the drying behavior were obtained as the result of cited programs calculation. First model did not include shrinkage (model 1) and second one (model 2) has included it. The predicted values obtained from model 2 fit with experimental data. Results presented in this study showed that the values of effective diffusion coefficient determined by designed computer programs have similar values with values available in literature related to the same coefficient determined for different clays.
T2  - Revista Romana de Materiale/ Romanian Journal of Materials
T1  - Determination of the effective diffusion coefficient
EP  - 175
IS  - 2
SP  - 169
VL  - 41
UR  - https://hdl.handle.net/21.15107/rcub_rims_152
ER  - 
@article{
author = "Vasić, Miloš and Radojević, Zagorka and Arsenović, Milica and Grbavčić, Željko",
year = "2011",
abstract = "The equation for drying kinetics is obtained, base on the analytical solution of the differential equation with a boundary condition in the form of the flux. This equation was initially developed by G. Efremov. In this paper a modification of the Efremov drying equation will be presented. Shrinkage correction will be included in that equation for the first time. Two programs were designed to compute the effective diffusion coefficient. First program did not include shrinkage effect during drying into the computation algorithm while the second one has included it. Two models for predicting the drying behavior were obtained as the result of cited programs calculation. First model did not include shrinkage (model 1) and second one (model 2) has included it. The predicted values obtained from model 2 fit with experimental data. Results presented in this study showed that the values of effective diffusion coefficient determined by designed computer programs have similar values with values available in literature related to the same coefficient determined for different clays.",
journal = "Revista Romana de Materiale/ Romanian Journal of Materials",
title = "Determination of the effective diffusion coefficient",
pages = "175-169",
number = "2",
volume = "41",
url = "https://hdl.handle.net/21.15107/rcub_rims_152"
}
Vasić, M., Radojević, Z., Arsenović, M.,& Grbavčić, Ž.. (2011). Determination of the effective diffusion coefficient. in Revista Romana de Materiale/ Romanian Journal of Materials, 41(2), 169-175.
https://hdl.handle.net/21.15107/rcub_rims_152
Vasić M, Radojević Z, Arsenović M, Grbavčić Ž. Determination of the effective diffusion coefficient. in Revista Romana de Materiale/ Romanian Journal of Materials. 2011;41(2):169-175.
https://hdl.handle.net/21.15107/rcub_rims_152 .
Vasić, Miloš, Radojević, Zagorka, Arsenović, Milica, Grbavčić, Željko, "Determination of the effective diffusion coefficient" in Revista Romana de Materiale/ Romanian Journal of Materials, 41, no. 2 (2011):169-175,
https://hdl.handle.net/21.15107/rcub_rims_152 .

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