ELECTRONIC COLLECTED
MATERIALS OF IX JUNIOR RESEARCHERS’ CONFERENCE 2017
Architecture and Civil Engineering
87
UDK 697.922.2
MODELLING OF HEAT MASS EXCHANGE PROCESSES AND DESIGN PROCEDURE
OF INNOVATIVELY MODERNIZED SYSTEMS OF AERATION
OF SHOPS WITH SURPLUSES OF WARMTH
ANZHELA LAPEZO, VOLHA SHIROKAVA, VLADIMIR LIPKO,
Polotsk State University, Belarus
Тhe article outlines the conceptual possibilities and methods of physico-mathematical modeling of static,
dynamic and heat and mass transfer processes in the shops of the extract in terms of exposure to gravitational
forces and wind pressure on the building when natural ventilation is active by a method of aeration by the "bot-
tom-up".
Introduction.The technology of foundry manufacture is characterized by a considerable amount of heat,
allocated in a working zone from technological furnaces, the process equipment, the heated and fused metals
continuously or is long on time in the form of radiating radiant thermal energy from heated surfaces and a con-
vection component of a thermal stream in the form of hot gases or overheated air owing to what working condi-
tions of the working considerably worsen.
For improvement of quality of the air environment in hot shops the way of ventilation by a method of
aeration by natural airing of a working zone of shop external supply ventilating air which arrives in premises
through the special aeration supply apertures located in external walls of a building in two levels is used: for the
summer period of year - in the bottom zone near to a premise floor, and for the winter period of year of an aper-
ture are located at height
4,5
h
=
м from a floor.
Removal of ventilating air at building aeration is carried out through special aeration lanterns with the ex-
haust apertures located above a roof, or exhaust mines.
For quantitative regulation of the expense of ventilating air in supply and exhaust apertures adjustable lat-
tices are established.
In the course of natural circulation of air streams in premises of hot shops with intensive heat input some
zones with various temperatures are formed [1].
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