Abstract
The process of plasma treatment of charge used in vitrification of radioactive wastes is simulated numerically. Optimum conditions providing heating of particles in the charge to vitrification temperatures are determined for a 200-kW reactor.
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Abbreviations
- B :
-
shape factor of particles
- C D :
-
air drag coefficient
- d pl :
-
particle diameter
- D :
-
diameter of the channel of the reactor
- G :
-
mass flow rate
- g :
-
gravity acceleration
- h :
-
specific enthalpy
- m :
-
mass
- n :
-
the number of particles per unit volume
- Q :
-
heat flux
- T :
-
temperature
- ν:
-
velocity
- x :
-
coordinate with the reference point on the axis of the channel
- λ:
-
thermal conductivity
- μ:
-
viscosity
- ρ:
-
mass density
- ρp=m p1 n p :
-
density of the condensed phase. Subscripts: g, gas
- pl:
-
isolated particle
- p:
-
a set of particles
- pr:
-
gaseous and solid products of physicochemical transformations of the charge
- w:
-
walls of the reactor
- 0:
-
values of parameters in the inlet cross-section of reactor
References
S. V. Stefanovskii, I. A. Knyazev, and S. A. Dmitriev, Fiz. Khim. Obrabotki Mater., No. 4, 72–80 (1991).
A. L. Mosse and I. S. Burov, Processing of Disperse Materials in Plasma Reactors [in Russian], Minsk (1980).
Additional information
Academic Scientific Complex “A. V. Luikov Heat and Mass Transfer Institute, Academy of Sciences of Belarus,” Minsk, Belarus. Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 68, No. 3, pp. 461–465, May–June, 1995.
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Krasovskaya, L.I., Svidunovich, N.A. & Vasil'kov, V.E. Numerical simulation of plasma treatment of charge used in vitrification of radioactive wastes. J Eng Phys Thermophys 68, 395–399 (1995). https://doi.org/10.1007/BF00859055
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DOI: https://doi.org/10.1007/BF00859055