AAAR 31st Annual Conference
October 8-12, 2012
Hyatt Regency Minneapolis
Minneapolis, Minnesota, USA
Abstract View
Numerical Study of Various Parameters on Performance of Portable Air Cleaners in a Ventilated Room
Vahid Akbari, Mazyar Salmanzadeh, GOODARZ AHMADI, Shahid Bahonar University of Kerman
Abstract Number: 669 Working Group: Indoor Aerosols
Abstract In recent years, the use of portable air cleaners (PACs) has attracted considerable attention for indoor air quality improvement. These PACs provides the flexibility in that it can be placed and operated on demand. Variables such as particle size, pollutant source location, air cleaner technology, air exchange rate, and the location of the air cleaner in a room influence the air cleaner effectiveness. The common rating used by the manufacturers for evaluating the performance of portable air cleaners is the Clean Air Delivery Rate (CADR). CADR, however, is a measure of the performance for an entire room space under well-mixed conditions; thus, it does not account for the effect of room air movement. In this study a computational fluid dynamics model was used to investigate the impact of the ventilation system, pollutant source characteristics and position of the PAC in a ventilated room on its effectiveness. The k-e turbulence model and Lagrangian particle tracking was used in these analyses