Dimensions of heterogeneous clusters formed during condensation of Ar-Kr mixtures in supersonic jet

The average number of atoms in mixed atomic clusters formed during the adiabatic expansion of Ar-Kr mixtures with various compositions into vacuum has been determined using the method of electron diffraction. A previously unreported phenomenological relation between the average cluster size and the...

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Bibliographic Details
Published in:Technical physics letters 2012-04, Vol.38 (4), p.332-335
Main Authors: Danylchenko, O. G., Kovalenko, S. I., Konotop, O. P., Samovarov, V. N.
Format: Article
Language:English
Subjects:
Classical and Continuum Physics
Physics
Physics and Astronomy
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Summary:The average number of atoms in mixed atomic clusters formed during the adiabatic expansion of Ar-Kr mixtures with various compositions into vacuum has been determined using the method of electron diffraction. A previously unreported phenomenological relation between the average cluster size and the total pressure and temperature of a gas mixture at the input of a supersonic nozzle has been found. This relation has a rather general character and can be applied to other binary clusters of atomic and molecular gases. A method is proposed for establishing the boundaries of existence of the homogeneous and heterogeneous clusters depending on the pressure, temperature, and composition of gas mixtures.
ISSN:1063-7850
1090-6533
DOI:10.1134/S1063785012040049