FEATURES OF THE HEAT AND MASS TRANSFER
IN A FIRE WITHIN A BUILDING OF COMPLEX GEOMETRY

S. V. Puzach,a V. G. Puzach, b
and R. P. Gornostaeva 

UDC 614.841.4

A method of calculating the heat and mass transfer in 
a fire within a building of complex geometry is proposed. The results 
of calculation of the three-dimensional temperature, velocity, and 
visible-range fields in the gas medium of a fire simulated in the 
atrium, corridors, and floors of a building with the use of the mathematical 
model developed are presented. The method proposed allowed us to reveal 
regularities of the heat and mass transfer in a fire within the building 
considered that substantially differ from the existing views of the 
dynamics of the hazardous factors of a fire in such buildings.

a Academy of State Fire-Prevention Service, 4 Boris Galushkin 
Str., Moscow, 129366, Russia; email: puzachv@ puzachv@hotmail.com; 
b Institute of High Temperatures, Russian Academy of Sciences, 
Moscow, Russia. Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 
78, No. 3, pp. 22-29, May-June, 2005. Original article submitted 
March 22, 2004.