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Determining the average flow characteristics of the carrier fluid in a turbulent gaseous suspension

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Abstract

The effect of solid particles on the thickness of the viscous sublayer in a stream of a gaseous suspension is analyzed on the basis of the two-layer flow model. The characteristics of the velocity profile of the carrier gas are determined, with collision interaction between solid particles and channel walls taken into account.

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Abbreviations

v:

absolute velocity

v* :

transient velocity

ν :

kinematic viscosity

r:

radial coordinate

dp :

particle diameter

D:

channel diameter

β, μ :

true volume concentration and mass flow concentration respectively

ξ:

hydraulic drag coefficient

δ:

thickness of viscous sublayer

ρ:

density

mp :

particle mass

ν * :

turbulent analog of viscosity

Nu:

Nusselt number

s:

gas stream

p:

solid particle

0:

pure stream, without solid particles

1:

the edge of the viscous sublayer

c:

collision

pw:

particle-wall collision

Literature cited

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  9. F. E. Spokoinyi and Z. R. Gorbis, in: Physics of Aerodisperse Systems [in Russian], Kiev (1971), No. 5.

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  11. R. J. Hawes, E. Holling, G. J. Kirly, and P. R. Waller, United Kingdom Atomic Authority, Reactor Group NAEEW-R224 (1964).

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Authors and Affiliations

  1. Engineering Institute of the Refrigeration Industry, Odessa

    Z. R. Gorbis & F. E. Spokoinyi

Authors
  1. Z. R. Gorbis
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  2. F. E. Spokoinyi
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Additional information

Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 22, No. 6, pp. 976–980, June, 1972.

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Gorbis, Z.R., Spokoinyi, F.E. Determining the average flow characteristics of the carrier fluid in a turbulent gaseous suspension. Journal of Engineering Physics 22, 670–673 (1972). https://doi.org/10.1007/BF00822968

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  • DOI: https://doi.org/10.1007/BF00822968

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