Homogeneous Nucleation in Supersaturated Vapors of n-Nonane

1 January 1994

journal article
Published by Institute of Organic Chemistry & Biochemistry in Collection of Czechoslovak Chemical Communications

Vol. 59 (2) , 253-261
https://doi.org/10.1135/cccc19940253

Abstract

The upward thermal diffusion cloud chamber was used to measure the supersaturations of n-nonane vapors required to cause an observed rate of homogeneous nucleation of 1 droplet/cm³ s. New temperature-dependent correlations for the surface tension and the density of n-nonane have been applied in theoretical prediction of the corresponding supersaturation. The measurements are found to be in reasonable agreement with the predictions of the classical (Becker-Doering) theory whereas both the Dillmann-Meier and the Girshick-Chiu theories lead to a significant underestimation of supersaturation in the whole range of temperatures measured.

Keywords

NONANE
CLOUD CHAMBER
DIFFUSION CLOUD
UPWARD THERMAL
SUPERSATURATION
THERMAL DIFFUSION
NUCLEATION
TEMPERATURES MEASURED

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