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Proceedings Paper

Determination of mass and thermal accommodation coefficients from evolution of evaporating water droplet
Author(s): M. Zientara; D. Jakubczyk; G. Derkachov; K. Kolwas; M. Kolwas
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Paper Abstract

Evaporation of a droplet of pure water several micrometers in size was investigated. The droplet was levitated in an electrodynamic trap placed in a small climatic chamber. The evolution of the droplet and the evolution dynamics was studied by analyzing the coherent light scattering patterns with the aid of Mie theory. A numerical model of droplet evolution incorporating the kinetic effects near the droplet surface was constructed. By applying this model to the experimental data the mass and thermal accommodation coefficients were determined to be αC=0.12±0.02 and αT= 0.65±0.09. This model enabled to find the droplet temperature evolution and the relative humidity in the droplet vicinity with high precision as well.

Paper Details

Date Published: 1 June 2005
PDF: 4 pages
Proc. SPIE 5849, Fifth Workshop on Atomic and Molecular Physics, (1 June 2005); doi: 10.1117/12.629535
Show Author Affiliations
M. Zientara, Institute of Physics (Poland)
D. Jakubczyk, Institute of Physics (Poland)
G. Derkachov, Institute of Physics (Poland)
K. Kolwas, Institute of Physics (Poland)
M. Kolwas, Institute of Physics (Poland)

Published in SPIE Proceedings Vol. 5849:
Fifth Workshop on Atomic and Molecular Physics
Jerzy Kwela; Ryszard Drozdowski; Tomasz J. Wasowicz, Editor(s)

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