Abstract
The mixing of coaxial turbulent flows swirled in opposite directions is experimentally studied. The effectiveness of this mixing is compared with mixing after an agitating grid.
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Abbreviations
- z, r, θ:
-
cylindrical coordinate system
- r1, r2 :
-
inside and outside radius of annular channel
- H=r2−r1 :
-
radial gap in annular channel
- y′=(r−r1)/H:
-
dimensionless radial coordinate
- V(vz, vr, vθ):
-
mean velocity vector
- v′, vz :
-
pulsative components of velocity in the direction of the mean velocity vector and in the axial direction
- P*, P:
-
total and static pressure
- ζ, ξ:
-
loss coefficients
Literature cited
Eddy Effect and Its Application in Technology (Handbook) [in Russian], Kuibyshev Aviation Institute, Kuibyshev (1976).
G. N. Abramovich, Applied Gas Dynamics [in Russian], Nauka, Moscow (1976).
Yu. A. Gostintsev, “Heat and mass transfer and fluid resistance in the flow of a rotating liquid along a tube,” Izv. Akad. Nauk SSSR, Mekh. Zhidk. Gaza, No. 5, 115–119 (1968).
G. K. Batchelor, Introduction to Fluid Dynamics, Cambridge Univ. Press (1967).
Additional information
Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 41, No. 3, pp. 407–413, September, 1981.
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Sviridenkov, A.A., Tret'yakov, V.V. & Yagodkin, V.I. Effectiveness of mixing coaxial flows swirled in opposite directions. Journal of Engineering Physics 41, 936–940 (1981). https://doi.org/10.1007/BF00821798
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DOI: https://doi.org/10.1007/BF00821798