Abstract
The article describes the experimental investigation of the separation of sulfur isotopes in a thermodiffusion column.
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Abbreviations
- T*=kT/ɛ:
-
reduced temperature
- ¯T=(T2 + T1)/2; T2, T1 :
-
temperatures of the hot and cold surfaces, respectively
- ΔT=T1 − T1 Kc, Kd, H:
-
coefficients of the transport equation, see (3), (7)
- δ:
-
size of the gap
- P:
-
pressure
- L:
-
height of the column
- B:
-
perimeter of the gap
- R:
-
gas constant
- D, ν:
-
diffusion coefficient and coefficient of dynamic viscosity
- ρ:
-
density
- q:
-
degree of separation, see (5)
- α:
-
thermodiffusion constant
- M1, M2 :
-
masses of the isotopic molecules
- Kp :
-
parameter taking parasitic convection into account
- ϕ:
-
potential function
Literature cited
H. Wullkopf, “Die Bestimmung der für das Trennzohrverfahren charakteristischen Konstanten des SO2,” Z. Phys.,146, No. 3, 388–392 (1956).
J. O. Hirschfelder, Ch. Curtis, and R. Bird, Molecular Theory of Gases and Liquids, Wiley (1974).
A. A. Opalovskii and E. U. Lobkov, “Sulfur hexafluoride,” Usp. Khim.,44, No. 2, 193–213 (1975).
J. Kestin, H.-E. Khafifa, S. T. Ro, and W. A. Wakeham, “The viscosity and diffusion coefficients of eighteen binary gaseous systems,” Physica,88A, 242–260 (1977).
Physical Encyclopedic Dictionary [in Russian], Vol. 5, Sovetskaya Éntsiklopediya, Moscow (1966).
A. De Troyer, Itterbeck, and A. O. Rietfeld, “Thermal diffusion in H2-D2 and H2-He mixtures at low temperatures,” Physica,17, No. 11–12, 938–942 (1951).
R. Paul and W. W. Watson, “Thermal diffusion and self-diffusion in ammonia,” J. Chem. Phys.,45, No. 7, 2675–2677 (1966).
B. P. Mathur and W. W. Watson, “Isotopic thermal diffusion factor for CO2,” J. Chem. Phys.,51, No. 12, 5623–5625 (1969).
B. P. Mathur and W. W. Watson, “Thermal diffusion in isotopic16O2–18O2,” J. Chem. Phys.,51., No. 5, 2210–2214 (1969).
B. P. Mathur and W. W. Watson, “Thermal diffusion factor for isotopic CO,” J. Chem. Phys.,52, 1007–1008 (1970).
G. Vasaru, G. Muller, Reinhold, et al., in: The Thermal Diffusion Column, Deutscher Verlag der Wissenschaften, Berlin (1969), p. 210.
M. Klein, H. J. M. Hanley, F. J. Smith, and P. Holland, in: Tables of Collision Integrals and Second Virial Coefficients for the (m, 6.8) Intermolecular Potential Function, U.S. Department of Commerce, National Bureau of Standards (1974), pp. 1–151.
R. B. Bird, V. Stewart, and E. Lightfoot, Transport Phenomena, Wiley (1960).
W. H. Mears, E. Rosenthal, and J. V. Sinka, “Physical properties and virial coefficients of sulfur hexafluoride,” J. Phys. Chem.,73, No. 7, 2254–2261 (1969).
S. D. Hamann and J. A. Lambert, “The behavior of fluids of quasispherical molecules,” Austr. J. Chem.,7, No. 1, 1–27 (1954).
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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 42, No. 1, pp. 65–71, January, 1982.
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Azroyan, K.K., Rabinovich, G.D. Thermodiffusion of32S and34S in sulfur hexafluoride. Journal of Engineering Physics 42, 52–57 (1982). https://doi.org/10.1007/BF00824991
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DOI: https://doi.org/10.1007/BF00824991