Abstract
method of “integration over the transverse coordinate,” a transfer equation in a separating column in obtained, taking the longitudinal enrichment mechanism into account.
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Abbreviations
- jr, jz :
-
density of radial and axial diffusional flows of the heavy component
- c:
-
heavy-component concentration
- ¯c:
-
mean (over the cross section) concentration
- c0 :
-
concentration is feed cross section, z=L/2
- z:
-
longitudinal coordinate
- vz :
-
axial component of hydrodynamic mixture velocity
- v *z :
-
velocity corresponding to condition of maximum enrichment factor
- ψ:
-
current function
- ρ :
-
mixture density
- p:
-
pressure,α p,α t, barodiffusional and thermodiffusional constants
- T2, T1 :
-
temperature of hot axial and cold near-wall chamber regions
- W:
-
electric power absorbed by gas-discharge plasma
- Vph :
-
phase velocity of traveling magnetic wave
- η :
-
dynamic viscosity
- λ=τ/(K3+ εzK2):
-
relative drawoff
- L, R:
-
column length and radius
- M:
-
ionic mass of readily ionized component
- Qni, qnN :
-
effective cross section for collisions of atoms of separation mixture with ions and added neutrals, respectively
- D:
-
mutual diffusion factor of mixture isotopes
Literature cited
A. M. Rozen, Theory of Isotope Separation in Columns [in Russian], Atomizdat, Moscow (1960).
K. Johns and V. Ferri, Isotope Separation by Thermodiffusion Method [Russian translation], IL, Moscow (1947).
G. D. Rabinovich, R. Ya. Gurevich, and G. I. Bobrova, Thermodiffusional Separation of Liquid Mixtures [in Russian], Nauka i Tekhnika, Minsk (1971).
G. F. Barvikh and R. Ya. Kucherov, “Diffusional column for isotope separation,” in: Isotope Derivation [in Russian], Izd. Akad. Nauk SSSR, Moscow (1958), pp. 120–126.
A. Bramly, “Calculation of column transport equation coefficients,” Science,92, 428–436 (1940).
A. I. Karchevskii, V. L. Martsynk'yan, I. A. Popov, and E. P. Potanin, “Xenon isotope separation in HFdischarge plasma,” in: Abstracts of Papers at the Third All-Union Conference on Plasma Acceleration [in Russian], IF Akad. Nauk BSSR, Minsk (1976), pp. 201–202.
E. F. Gorbunova, A. N. Ezubchenko, A. I. Karchevskii, and Yu. A. Muromkin, “Effect of additions of light inert gas on xenon isotope separation in HF discharge,” Pis'ma Zh. Tekh. Fiz.,4, 716–719 (1978).
A. I. Karchevskii and E. P. Potanin, “Gas-mixture separation in systems with traveling magnetic field,” Zh. Tekh. Fiz.,48, No. 10, 2097–2102 (1978).
L. D. Landau and E. M. Lifschitz, Fluid Mechanics, Pergamon.
A. G. Shashkov and T. N. Abramenko, Promising Effects in Gas Mixtures [in Russian], Nauka i Tekhnika, Minsk (1976).
A. I. Karchevskii and E. P. Potanin, “Thermodiffusional separation processes in systems with traveling magnetic field,” Inzh.-Fiz. Zh.,37, No. 1, 72–75 (1979).
V. M. Zhdanov, A. I. Karchevskii, and E. P. Potanin, “Effect of ‘ionic branch’ on separation properties of plasma centrifuge with crossed fields,” Pis'ma Zh. Tekh. Fiz.,4, 508–511 (1978).
Additional information
Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 39, No. 1, pp. 81–85, July, 1980.
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Potanin, E.P. Component-transfer equation in column with longitudinal separation. Journal of Engineering Physics 39, 771–774 (1980). https://doi.org/10.1007/BF00821833
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DOI: https://doi.org/10.1007/BF00821833