10th International Aerosol Conference September 2 - September 7, 2018 America's Center Convention Complex St. Louis, Missouri, USA
Abstract View
A Perspective on Developing “Wall-less” Oxidation Flow Reactors
WILLIAM BRUNE, Andrew Lambe, Pennsylvania State University
Abstract Number: 363 Working Group: Oxidation Flow Reactor: Development, Characterization, and Application to Aerosols
Abstract Environmental chambers and oxidation flow reactors (OFRs) enable the controlled experiments on secondary aerosol (SA) chemistry that are almost never possible in the atmosphere. The experiments provide models with essential quantitative numerical properties such as secondary aerosol nucleation rates, mass yields, chemical composition, hygroscopicity, and optical properties. Unfortunately, the walls of environmental chambers and OFRs can contaminate these experimental results by interacting with the gas-phase and particle-phase chemistry and microphysics. In this presentation, we describe a way to think about developing “wall-less” OFRs and show how the optimal design of each OFR depends on the range of environmental conditions and SA properties to be studied. We provide examples of novel OFR designs and demonstrate the suppression of wall effects compared to conventional OFRs and environmental chambers.