Kinetics of drying of moist materials in superheated steam

A method is proposed for the approximate calculation of the drying time for different materials when drying in a medium of superheated steam with constant parameters at atmospheric pressure.     

Method for calculating convective drying of moist materials

The dependence of output of a drying apparatus in terms of evaporated moisture is obtained as a function of time and parameters and properties of the material being dried. Calculation results are compared with experiment.Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 51, No. 1, pp. 99–104, July, 1986.     

A Generalized equation for the temperature curve of the process of convective drying of moist materials

We present the derivation and analysis of the generalized equation for the temperature curve describing the process of drying in continuously operating convective drying installations with a nozzle-directed stream. The results from the numerical solution are compared against experimental data.Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 57, No. 4, pp. 627–631, October, 1989.     

Certain regularities of the kinetics of drying of moist materials

A method for calculating the kinetics of drying under the conditions of continuous variation in the Rehbinder number in the period of decreasing drying rate is considered. __________ Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 80, No. 4, pp. 143–146, July–August, 2007.     

Kinetics of heat transfer during the desiccation of moist materials

A relation is established between the Rebinder number and the Nusselt number for the slowing-down stage of the desiccation process, also between the Nusselt number and the dimensionless desiccation rate during the first and the second stage of the process.Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 23, No. 3, pp. 401–406, September, 1972.     

Generalized equation for kinetics of convective drying of moist materials

A generalized equation describing the drying process in continuous-acting convective dryers is derived and analyzed. Results of a numerical solution are compared with experimental data.Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 53, No. 1, pp. 90–96, July, 1987.     

Kinetics of acoustic drying of capillary-porous materials

Investigations have been made of the drying of quartz sand and specimens of foam polyurethane in an acoustic field. The layerwise distribution of moisture and temperature during elimination of moisture is given.     

Kinetics of drying of various materials and calculation of the duration of drying

This paper deals with methods of combining the drying curves obtained in different conditions into a single curve, the analysis of the kinetics of the process, and methods of calculating the duration of drying of materials. The proposed method of calculation is a development of Lykov's method.     

Kinetics and dynamics of the conductive drying of disperse materials

An analysis is given of the effect of certain parameters on the intensity and rate of conductive drying, the results are generalized in the form U = f(N₁/u₀), , and information is given for the thermal calculation of the process.Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 36, No. 6, pp. 1004–1011, June, 1979.     

Certain regularities of the kinetics of moisture and heat exchange in drying of moist materials

Methods of calculation of the kinetics of drying of moist materials for the period of the falling rate are considered; they are based on the characteristics of the kinetics of drying: the relative drying rate and the generalized and relative drying times. Miscellaneous  Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 81, No. 6, pp. 1102–1110, November–December, 2008.     

Mass transfer in the process of drying of porous materials

The mass transfer in the process of drying of deformable porous bodies was theoretically investigated and the corresponding mass-transfer equation was analytically solved. On the basis of experimental data on the drying of porous materials, the ill-posed inverse problem on determination of the region of regular change in the effective diffusion coefficient and in the porosity of a porous-material layer with time was solved.     

Kinetics of heating disperse materials during drying in a vibrofluidized layer

Approximate solutions of the main equation of heat and mass transfer for a periodic and continuous process of drying in a vibrofluidized layer are given, and compared with experimental data; a Rehbinder number is used to establish the connection between the temperature of the material and the moisture content.Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 17, No. 4, pp. 600–609, October, 1969.     

Some features of heat and moisture transfer and approximate methods of calculating the drying kinetics of moist materials

Approximate methods of calculating the drying kinetics of moist materials, derived from an analysis of experimental data, are discussed.Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 32, No. 6, pp. 1007–1014, June, 1977.     

Permeability of moist porous materials

Results of an experimental study are presented pertaining to the dependence of the permeability of porous materials on their moisture content during moisturization and desiccation.Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 39, No, 5, pp. 877–881, November, 1980.     

Moisture diffusion in moist materials

The first systematic study of the moisture diffusion coefficients of various materials is reported.Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 15, No. 6, pp. 1019–1026, December, 1968.     

Thermal conductivity of moist porous materials

We propose both a model and a method of calculating the effective thermal conductivity of moist porous materials made of a three-component structure with interpenetrating components.Translated from Inzhenerno-Fizi-cheskii Zhurnal, Vol. 56, No. 2, pp. 281–291, February, 1989.     

Diffusion of water in moist materials

A method is given for calculating diffusion coefficients for a period of decreasing drying rate.Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 19, No. 1, pp. 27–33, July, 1970.     

Basic laws of the vacuum drying process applied to cellulose materials for electrical insulation

Results are shown of an experimental study concerning the vacuum drying of cellulose materials for electrical insulation by a combined convective-radiative heat supply. A semiempirical generalized equation is given by which the drying time down to the desired final moisture content in typical materials can be determined.Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 22, No. 3, pp. 420–428, March, 1972.