The two main categories of smoke management systems
used in buildings are pressurization systems and exhaust systems
for atria (and other large spaces). In general, this paper
addresses the pressurization systems and related efforts.
However, one atrium project was
cause that project was funded by
included in Table 1 be-
ASHRAE. Additionally,
airflow has been used with the intention of preventing smoke
flow through open doors, and this topic is discussed including
the concern of supplying combustion air to the fire.