AAAR 34th Annual Conference
October 12 - October 16, 2015
Hyatt Regency
Minneapolis, Minnesota, USA
Abstract View
Experimental Study of Active Flow and Photocatalytic Materials for Indoor Air Quality Applications
Denise Mauney, Christella Suwongso, Wil Srubar, LUPITA MONTOYA, University of Colorado, Boulder
Abstract Number: 627 Working Group: Indoor Aerosols
Abstract The effect of airflows generated from an annular, multi-orifice synthetic jet actuator (SJA) on the degradation of nitrogen dioxide was studied in an experimental chamber. A mortar substrate (reactor) coated with titanium dioxide was used to remove nitrogen dioxide in the chamber. An axial computer fan (ACF) was also studied in the same manner to compare the impact of flow regimes and surface velocity on the removal rate at a distance of 10mm from the reactor. Results indicated that the optimum distance between the annular, multi-orifice synthetic jet and the surface of the titanium dioxide reactor was approximately 315mm, and a surface velocity of approximately 0.1 m/s. The ACF removal rate was found to be equivalent to the SJA removal rate when the surface velocities were not equal, but the flow regimes had the same apparent shape. Therefore, in this initial study, nitrogen dioxide removal rate by titanium dioxide was found to be driven by both surface velocity and quality of flow regime.