Effective charge and effective radius of water droplet in dropwise cluster

A particle with large electric charge Z (Z ≫ 1) and radius R0 inserted into plasma is surrounded by a plasma shell, which is stable to weak and short-term external exposures. As a result, during experiments the particle can reveal an effective charge Z* lower than the true one (Z* ≤ Z), and an effec...

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Bibliographic Details
Published in:Physics of plasmas 2013-02, Vol.20 (2)
Main Authors: Shavlov, A. V., Romanyuk, S. N., Dzhumandzhi, V. A.
Format: Article
Language:English
Subjects:
BOLTZMANN EQUATION
Charge
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
Clusters
DROPLETS
EFFECTIVE CHARGE
Electric charge
ELECTRIC CHARGES
Mathematical analysis
PLASMA
Plasmas
POISSON EQUATION
Shells
WATER
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Summary:A particle with large electric charge Z (Z ≫ 1) and radius R0 inserted into plasma is surrounded by a plasma shell, which is stable to weak and short-term external exposures. As a result, during experiments the particle can reveal an effective charge Z* lower than the true one (Z* ≤ Z), and an effective radius R* larger than the true one (R* ≥ R0). The effective electric charge and the effective radius of a water droplet in a dropwise cluster have been calculated using the Poisson-Boltzmann equation. It has been recognized that these parameters are not the function of a droplet's true charge, but are the function of a droplet's true size and the Debye's radius of the plasma. Experimental data on the droplet properties in a dropwise cluster have been explained.
ISSN:1070-664X
1089-7674
DOI:10.1063/1.4792260