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Computational simulation of the dynamics of secondary organic aerosol formation in an environmental chamber

Sunol, A. M. and Charan, S. M. and Seinfeld, J. H. (2018) Computational simulation of the dynamics of secondary organic aerosol formation in an environmental chamber. Aerosol Science and Technology, 52 (4). pp. 470-482. ISSN 0278-6826. https://resolver.caltech.edu/CaltechAUTHORS:20180212-081231529

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Abstract

A key atmospheric process that is studied in laboratory chambers is the oxidation of volatile organic compounds to form low volatility products that condense on existing atmospheric particles (or nucleate) to form organic aerosol, so-called secondary organic aerosol. The laboratory chamber operates as a chemical reactor, in which a number of chemical and physical processes take place: gas-phase chemistry, transport of vapor oxidation products to suspended particles followed by uptake into the particles, deposition of vapors on the walls of the chamber, deposition of particles on the walls of the chamber, and coagulation of suspended particles. Understanding the complex interplay among these simultaneous physicochemical processes is necessary in order to interpret the results of chamber experiments. Here we develop and utilize a comprehensive computational model for dynamics of vapors and particles in a laboratory chamber and analyze chamber behavior over a range of physicochemical conditions.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1080/02786826.2018.1427209DOIArticle
http://www.tandfonline.com/doi/full/10.1080/02786826.2018.1427209PublisherArticle
ORCID:
AuthorORCID
Charan, S. M.0000-0002-2023-6403
Seinfeld, J. H.0000-0003-1344-4068
Additional Information:© 2018 American Association for Aerosol Research. Received 13 Jul 2017, Accepted 28 Dec 2017, Accepted author version posted online: 16 Jan 2018, Published online: 29 Jan 2018. SMC acknowledges support by a U.S. National Science Foundation Graduate Research Fellowship under Grant No. 1745301. This work was also supported by U.S. National Science Foundation grant AGS-1523500.
Funders:
Funding AgencyGrant Number
NSF Graduate Research FellowshipDGE-1745301
NSFAGS-1523500
Issue or Number:4
Record Number:CaltechAUTHORS:20180212-081231529
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20180212-081231529
Official Citation:A. M. Sunol, S. M. Charan & J. H. Seinfeld (2018) Computational simulation of the dynamics of secondary organic aerosol formation in an environmental chamber, Aerosol Science and Technology, 52:4, 470-482, DOI: 10.1080/02786826.2018.1427209
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:84780
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:13 Feb 2018 18:49
Last Modified:25 Oct 2019 20:44

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