Sedimentation of Superfine Aerosol by Means of Ultrasound - Open Journal of Acoustics

OJA > Vol.3 No.3, September 2013

Open Journal of Acoustics

Volume 3, Issue 3 (September 2013)

ISSN Print: 2162-5786 ISSN Online: 2162-5794

Google-based Impact Factor: 0.4 Citations

Sedimentation of Superfine Aerosol by Means of Ultrasound ()

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DOI: 10.4236/oja.2013.33A004 4,738 Downloads 6,680 Views Citations

Author(s)

Alexandra Antonnikova, Natalya Korovina, Olga Kudryashova

Affiliation(s)

Institute for Problems of Chemical & Energetic Technologies of the Siberian Branch of Russian Academy of Sciences, Biysk, Russia.

ABSTRACT

The article is devoted to a problem of sedimentation of superfine aerosols with a characteristic size of particles, an order of values of micrometers. Acceleration of the sedimentation process is promoted by imposing of an acoustic field that leads to acceleration of coagulation of particles. Besides, pressure of the sound radiation directed down, accelerates gravitational sedimentation of an aerosol. The mathematical model is based on the Smolukhovsky’s equation, describing dynamics of change of distribution function by the sizes of aerosols particles taking into account ultrasonic influence, evaporation (for liquid aerosols) and sedimentation. Influence of introduction of an additional phase on coagulation and sedimentation speed is investigated. Results of a theoretical and experimental study of dispersion parameters and the sedimentation speed of superfine aerosols are presented.

KEYWORDS

Aerosol Coagulation; Ultrasonic Influence; Two-Phase Aerosol; Evaporation of Droplets; Distribution Function of Particles by the Sizes

Share and Cite:

Antonnikova, A. , Korovina, N. and Kudryashova, O. (2013) Sedimentation of Superfine Aerosol by Means of Ultrasound. Open Journal of Acoustics, 3, 16-20. doi: 10.4236/oja.2013.33A004.

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