AAAR 31st Annual Conference
October 8-12, 2012
Hyatt Regency Minneapolis
Minneapolis, Minnesota, USA
Abstract View
Modeling Plume Dispersion of Diesel Truck Exhaust in a Wind Tunnel
JONATHAN STEFFENS, Max Zhang, Cornell University, Ithaca, NY, USA
Abstract Number: 571 Working Group: Aerosol Chemistry
Abstract The Comprehensive Turbulent Aerosol Dynamics and Gas Chemistry (CTAG) model has been used to model plume dispersion of a diesel truck. Experimental data was collected by researchers at the newly constructed five meter by five meter wind tunnel at West Virginia University. Two sets of instruments were positioned such that one remained stationary upwind of the truck and the other was mounted to a mobile platform to sample the plume at various downwind locations. The instruments measured wind speed, particle size distributions, temperature, CO2 and NOx. The CTAG model was applied to the scenario in order to validate its effectiveness in characterizing vehicle emissions plumes.