Moisture migration in a grain column subjected to drying

Hawlader, Mohammad Nurul Alam and J. Chowdhury, Md. Shafique (2011) Moisture migration in a grain column subjected to drying. In: Alternative energy. IIUM Press, Kuala Lumpur, pp. 30-37. ISBN 9789674181581

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Abstract

In this paper. a mathematical model has been developed to predict temperature and moisture distribution within a column dryer taking into account the influence of the change of air moisture on the grain moisture through the sorption isotherm. In the development of the energy equation, the influence of moisture contents on the properties of the material has been considered. The resulting unsteady, nonlinear, coupled differential equations are solved numerically, using orthogonal collocation method. A detail parametric study has been performed to identify important variables. The model is also applied to predict moisture migration under conditions approximating both low and high temperature in-storage drying of grains. The predicted results show good agreement with the experimental values.

Item Type:	Book Chapter
Additional Information:	6548/20051
Uncontrolled Keywords:	Mathematical model; drying; moisture distribution; temperature profile; column dryer; sorption isotherm
Subjects:	T Technology > TH Building construction
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Engineering Kulliyyah of Engineering > Department of Mechanical Engineering
Depositing User:	Prof Mohammad Nurul Alam / M N A Hawlader
Date Deposited:	31 May 2012 12:19
Last Modified:	31 May 2012 12:20
URI:	http://irep.iium.edu.my/id/eprint/20051

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