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On the fluctuations of concentration in disperse systems. Spectral description of the random concentration field and applicatiion to solute dispersion in packed beds

โœ Scribed by Yu.A. Buyevich

Publisher
Elsevier Science
Year
1972
Tongue
English
Weight
834 KB
Volume
27
Category
Article
ISSN
0009-2509

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โœฆ Synopsis

The spectral theory is presented which describes the concentration of a disperse system as a random spatial field. A representation for the spectral density of the concentration fluctuations is derived. As an example, local flows of a fluid, filtrating through a random particulate bed, caused by the concentration inhomogeneities of the bed are considered. Expressions for the RMS velocities of local flows are obtained and the additional solute dispersion due to these flows is discussed.

๐Ÿ“œ SIMILAR VOLUMES

On the fluctuations of concentration in
On the fluctuations of concentration in disperse systems The random number of particles in a fixed volume
โœ Yu.A. Buyevich ๐Ÿ“‚ Article ๐Ÿ“… 1971 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 607 KB

The statistical theory is presented which describes the number of particles in some volume of a concentrated disperse system, this number being a random function of time. This theory is a natural generalization of the Smoluchowski's statistics developed for Brownian movement of independent particles