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Titolo:
A short-cut method for determining concentration dependent diffusivity in liquid foods and polymer solutions from regular regime drying curves
Autore:
Yamamoto, S;
Indirizzi:
Yamaguchi Univ, Dept Chem Engn, Ube, Yamaguchi 755, Japan Yamaguchi Univ Ube Yamaguchi Japan 755 em Engn, Ube, Yamaguchi 755, Japan
Titolo Testata:
DRYING TECHNOLOGY
fascicolo: 7, volume: 19, anno: 2001,
pagine: 1479 - 1490
SICI:
0737-3937(2001)19:7<1479:ASMFDC>2.0.ZU;2-G
Fonte:
ISI
Lingua:
ENG
Soggetto:
PHASE-TRANSITIONS;
Keywords:
diffusion coefficient; regular regime; isothermal drying curve; drying rate; power-law diffusion model;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
18
Recensione:
Indirizzi per estratti:
Indirizzo: Yamamoto, S Yamaguchi Univ, Dept Chem Engn, Ube, Yamaguchi 755, Japan Yamaguchi Univ Ube Yamaguchi Japan 755 , Yamaguchi 755, Japan
Citazione:
S. Yamamoto, "A short-cut method for determining concentration dependent diffusivity in liquid foods and polymer solutions from regular regime drying curves", DRY TECHNOL, 19(7), 2001, pp. 1479-1490

Abstract

A simple method for determining concentration (water or solvent content) dependent diffusivity in liquid foods and polymer solutions from the regularregime drying curve was developed on the basis of the power-law diffusion model. The method was first tested to the drying data generated from numerical solutions of the diffusion equation with various types of concentrationdependent diffusivities. The present method was found to be very simple yet accurate compared with the previous methods. Then, the drying rates of various sugar solutions experimentally obtained were analyzed on the basis ofthe present method to determine the moisture content dependent diffusivities.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 02/04/20 alle ore 12:57:10