Estimating tall building infiltration at main entryway

Comprehensive modeling of airflow rate through automatic doors for low-rise buildings

“…where, time open per hour (T H ) is the amount of time (in sec/hour) for which the air enters through the door during opening and closing operation as shown in Equations (4) and (5). (4) and (5), people per use (P u ) is defined as the number of people passing through the door per use.…”

“…They demonstrated that their model can be effectively implemented in an existing whole-building energy modeling tool (i.e., EnergyPlus); however, they assumed a constant wind velocity of 6.7 m/s (15 mile per hour) for all building types and neglected variations in surrounding terrain in their models. Whitehead and Frisque [5] employed a new method, called limiting area method (LAM), to estimate air infiltration through a building entryway using a multi-node airflow analysis tool. In their method, they did not consider factors such as: airflow pattern around buildings, local terrain, and frequency of door openings.…”