1965•The Journal of Chemical PhysicsRequires access

New Cloud-Chamber Method for the Determination of Homogeneous Nucleation Rates

Edward F. Allard, James L. Kassner

Open publisher page 60 citations

Abstract

A new technique has been developed for making precise measurements of homogeneous nucleation rates. Corrections may be made for the effect of vapor depletion by the growing droplets which do not require a knowledge of the droplet-growth law. This data also offers valuable information about the droplet-growth mechanism and affords a reasonably accurate determination of the nucleation-rate-versus-supersaturation curve which is provided by theory. A meager amount of data of a preliminary character is presented.

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What this paper is about

A new technique has been developed for making precise measurements of homogeneous nucleation rates. Corrections may be made for the effect of vapor depletion by the growing droplets which do not require a knowledge of the droplet-growth law. This data also offers valuable information about the droplet-growth mechanism and affords a reasonably accurate determination of the nucleation-rate-versus-supersaturation curve which is provided by theory. A meager amount of data of a preliminary character is presented.

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Available abstract

A new technique has been developed for making precise measurements of homogeneous nucleation rates. Corrections may be made for the effect of vapor depletion by the growing droplets which do not require a knowledge of the droplet-growth law. This data also offers valuable information about the droplet-growth mechanism and affords a reasonably accurate determination of the nucleation-rate-versus-supersaturation curve which is provided by theory. A meager amount of data of a preliminary character is presented.

Key concepts: Supersaturation, Nucleation, Cloud chamber, Homogeneous, Materials science, Chemical physics, Thermodynamics, Chemistry

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