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Published March 2017 | public
Journal Article

Assessment of indoor HONO formation mechanisms based on in situ measurements and modeling

Abstract

The photolysis of HONO has been found to be the oxidation driver through OH formation in the indoor air measurement campaign SURFin, an extensive campaign carried out in July 2012 in a classroom in Marseille. In the present study, the INCA-Indoor model is used to evaluate different HONO formation mechanisms that have been used previously in indoor air quality models. In order to avoid biases in the results due to the uncertainty in rate constants, those parameters were adjusted to fit one representative day of the SURFin campaign. Then, the mechanisms have been tested with the optimized parameters against other experiments carried out during the SURFin campaign. Based on the observations and these findings, we propose a new mechanism incorporating sorption of NO_2 onto surfaces with possible saturation of these surfaces. This mechanism is able to better reproduce the experimental profiles over a large range of conditions.

Additional Information

© 2016 John Wiley & Sons, Inc. Issue online: 23 February 2017; Version of record online: 26 September 2016; Accepted manuscript online: 13 July 2016; Manuscript Accepted: 8 July 2016; Manuscript Received: 7 October 2015. Funded by: French Environment and Energy Management Agency ADEME (Agence de I'Environment et de la Maîtrise de I'Energie); REALISE; ZAEU; Aix-Marseille University.

Additional details

Created:
August 19, 2023
Modified:
October 20, 2023