Electrostatic precipitation of aerosols with particular interest in the coupling between the fluid and electric fields (i.e., electro-hydrodynamics);
Non-Thermal plasmas as a means for inactivating airborne infectious agents such as viruses & bacteria in ventilation air;
Aerosol optical properties , with emphasis on new emission sources of particulate carbon and potential contributions to atmospheric climate forcing and climate change;
Air toxic compounds emitted from combustion processes and their control;
Liquid droplet combustion, especially non-ideal behavior contributing to formation of products of incomplete combustion