Abstract
Transient processes in a thermal diffusion apparatus with transverse flows operating in both the open and closed cycles are considered. The results obtained are analyzed.
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Abbreviations
- σ:
-
mass flow rate of the liquid through the channel in unit time
- D:
-
binary diffusion coefficient
- α :
-
thermal diffusion constant
- ρ :
-
density
- β :
-
volume expansion coefficients
- δ:
-
gap, i.e. distance between the two constant-temperature surfaces
- T2, T1 :
-
temperatures of the heated and cooled surfaces T=(T1 + T2)/2
- η :
-
dynamic viscosity
- B:
-
length
- L:
-
height of the apparatus
- z:
-
vertical coordinate
- x:
-
longitudinal coordinate
- c:
-
mass concentration
- τ* :
-
transfer of the purposeful component in the vertical direction in units of mass in unit time per unit length of the apparatus
- t:
-
time
- f:
-
area of transverse cross section of the channel
- w:
-
rate of flow of the liquid in the channel
- p:
-
an operator
- e:
-
upper channel
- i:
-
lower channel
- 0:
-
initial value
- K:
-
end of the apparatus
Literature cited
G. D. Rabinovich, “Theory of thermal diffusion separation using the Frazier scheme,” Inzh.-Fiz. Zh.,31, No. 3 (1976).
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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 39, No. 1, pp. 86–95, July, 1980.
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Suvorov, A.V., Rabinovich, G.D. Transient processes in a thermal diffusion apparatus with transverse flows. Journal of Engineering Physics 39, 775–781 (1980). https://doi.org/10.1007/BF00821834
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DOI: https://doi.org/10.1007/BF00821834