drying kinetics

Drying of cappilary-porous materials in an external constant electric field

In the article, the mathematical model for the drying process of a porous layer subjected to an external electric field is developed considering the coupled effects of heat, mass, and charge transport.  A system of algebraic equations is obtained to describe the drying dynamics, incorporating key physical parameters such as boundary layer thickness, temperature, and electric field intensity.  The model is validated against experimental data, demonstrating its accuracy in predicting moisture distribution over time in a porous materials under the action of constant electr

Kinetics of Diffusion Mass Transfer during Filtration Drying of Grain Materials

The work deals with theoretical and experimental investigations concerning coefficient of moisture pore diffusion from grain during filtration drying. To determine the coefficient of pore diffusion the model was used basing on the solution of differential equation under boundary conditions of the first type. The estimated dependence of the coefficients on heat agent temperature was obtained.

Intradiffusion Mass Transfer during Drying of Slag Gravel Raw Granule

Intradiffusion mass transfer during drying of a single raw granule of slag gravel has been investigated. The physical model of moisture distribution in the single particle during its drying in the second period has been suggested. The process of intradiffusion mass transfer during drying slag gravel raw granule has been described mathematically. The effect of intradiffusion coefficient on the temperature has been studied.