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Homogeneous Nucleation by Continuous Mixing of High Temperature Vapor with Room Temperature Gas

Okuyama, Kikuo and Kousaka, Yasuo and Warren, Dale R. and Flagan, Richard C. and Seinfeld, John H. (1987) Homogeneous Nucleation by Continuous Mixing of High Temperature Vapor with Room Temperature Gas. Aerosol Science and Technology, 6 (1). pp. 15-27. ISSN 0278-6826. http://resolver.caltech.edu/CaltechAUTHORS:20150630-165846934

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Abstract

The formation of aerosol particles by homogeneous nucleation in a supersaturated vapor has been studied experimentally and theoretically. In the laboratory, a particle-free gas at room temperature is continuously mixed with a high-temperature gas containing dibutylphthalate vapor in a new device for the study of aerosol nucleation called a particle size magnifier. A highly supersaturated vapor is rapidly formed in the mixing zone of the particle size magnifier, and the resulting number concentrations of aerosol particles are measured under various temperatures, mixing ratios, and mixing methods. Measured number concentrations are compared with those predicted by the classical and Lothe-Pound nucleation theories. The measured concentrations lie between the predictions of the two theories, and the trends with temperature and saturation ratio are consistent with either nucleation theory, provided vapor depletion is considered.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1080/02786828708959116DOIArticle
http://www.tandfonline.com/doi/abs/10.1080/02786828708959116PublisherArticle
ORCID:
AuthorORCID
Flagan, Richard C.0000-0001-5690-770X
Seinfeld, John H.0000-0003-1344-4068
Additional Information:© 1987 American Association for Aerosol Research. Received 17 October 1985; accepted 5 February 1986. This work was supported by Japan Grant-in-Aid for Environmental Science 60030039 and National Science Foundation Grant ATM-8503103.
Funders:
Funding AgencyGrant Number
Japan Society for the Promotion of Science (JSPS)60030039
NSFATM-8503103
Record Number:CaltechAUTHORS:20150630-165846934
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20150630-165846934
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:58720
Collection:CaltechAUTHORS
Deposited By: Irina Meininger
Deposited On:08 Sep 2015 19:58
Last Modified:22 Sep 2017 20:38

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