Authors : A.A. Shevtsov, A.V. Drannikov, A.A. Derkanosova, A.S. Muravev and A.V. Kvasov
Abstract: Experimental studies were performed, during which kinetic regularities of the beet pulp drying process by overheated steam at atmospheric pressure in active hydrodynamic conditions were studied. A mathematical model of the pulp drying process was developed in the form of a differential equations system of second order heat and mass transfer with allowance for the phase transformation under the following simplifying assumptions: the particle of pulp is represented as an indefinite plate; heat and mass transfer at the interface between the particle and the coolant was considered by one spatial coordinate with boundary conditions of the third form for a given initial distribution of temperature and moisture content by volume of the product to be dried. A zonal method is used to calculate the moisture content and temperature fields. Within each time zone, the density, thermophysical and mass-exchange parameters of the product were averaged. Identification of model parameters from experimental data was carried out. The numerical-analytical solution of the mathematical model in the criterial form is obtained by the method of Fourier and Laplace integral transformations joint application. The adequacy of the model to the actual experiment was estimated. The maximum error in the simulation was 8.5%.
A.A. Shevtsov, A.V. Drannikov, A.A. Derkanosova, A.S. Muravev and A.V. Kvasov, 2017. Experimental and Analytical Study of the Beet Pulp Drying Process by Overheated Steam in Active Hydrodynamic Conditions. Journal of Engineering and Applied Sciences, 12: 5754-5760.