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2013 (published: 02.12.2013)
Number 4(18)
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Regular Regime Theory to Solve the Problems of Unsteady Mass Transfer During the Drying Process
Frolov S. V., Kutsakova V. E., Shkotova T. V.
Keywords: regular regime theory, solution of problems of unsteady mass transfer, during
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
Regular Regime Theory to Solve the Problems of Unsteady Mass Transfer During the Drying Process
The article proposes the use of the regular regime theory to solve the problems of unsteady mass transfer during the drying process. Until now, only classical solutions for bodies of simple shape have been presented with a number of assumptions. At the same time, most food products are bodies of complex shape. The paper proposes the formulation and solution of quasionedimensionaldifferential equation with the relevant uniqueness conditions. The article shows that at constant speed of drying the equation becomes steady-state and its solution is a parabolic profile of humidity.
The paper also gives an estimated ratio to determine the time of the process.
The article provides a solution to the equation of unsteady mass transfer during the period of falling drying speed. The limiting step of the process is the diffusion of moisture within a solid body. We also have an equation to calculate the time of the process.
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Read the full article
Keywords: regular regime theory, solution of problems of unsteady mass transfer, during
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License