The equation of motion for a small aerosol in a continuum |
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| Authors: | M J Manton |
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| Institution: | (1) Division of Cloud Physics, CSIRO, P.O. Box 134, 2121 Epping, N.S.W., Australia |
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| Abstract: | Summary The motion of an aerosol can be described by a general force balance equation, independent of the detailed structure of the flow, provided that the interaction between the external flow field and the local flow induced by the aerosol is weak. A necessary and sufficient condition for the interaction to be weak is that the length scale of the aerosol is much less than that of the external flow. High and low Reynolds number regimes can be distinguished for the motion of an aerosol relative to the external flow. In some extreme conditions the equation of motion reduces to an algebraic equation for the aerosol velocity.After submission of this article the author was made aware of a similar treatment published inTopics of Appl. Phys., 12 (Turbulence, Chapter 7), Springer Verlag, Berlin, which at the time of the article's submission had not yet appeared in Australia. (Ed.) |
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| Keywords: | Aerosol particles Equation of motion of |
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