INFLUENCE OF HEAT AND MASS TRANSFER
ON WOOD IMPREGNATION KINETICS

M. A. Brich and V. P. Kozhin

UDC 532.546:674.048

We have further developed the nonstationary mathematical 
model of two-phase filtration in an anisotropic porous medium - 
wood - by a fluid, taking into account the temperature dependence 
of its viscosity. The results of the calculations of the temperature 
and kinetics of wood impregnation under the action of vacuum and excess 
pressure for the problem of internal and external heat transfer are 
presented. The process of preservative impregnation of woodworks with 
a water-oil emulsion for various degrees of filling of the autoclave, 
including the maximum one, has been simulated.

A. V. Luikov Heat and Mass Transfer Institute, National 
Academy of Sciences of Belarus, 15 P. Brovka Str., Minsk, 220072, 
Belarus. Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 77, 
No. 1, pp. 33-38, January-February, 2004. Original article 
submitted April 22, 2003.