Abstract
It is shown that thermoelectron emission from the surface of a particle leads to a substantial increase in the intensity of heat transfer from a plasma.
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Abbreviations
- AR :
-
Richardson constant
- e:
-
electron charge
- E −j :
-
density of flux of kinetic energy
- Ii :
-
ionization energy
- J −j :
-
number flux density of plasma particles
- JTe :
-
density of flux of thermoelectrons
- k:
-
Boltzmann constant
- l j :
-
free-path length
- mj :
-
mass
- Nj :
-
number density
- Qj :
-
heat flux density
- r:
-
spatial coordinate
- rD :
-
Debye radius
- R:
-
particle radius
- Tj :
-
temperature
- v :
-
mean thermal velocity
- ϕ:
-
plasma potential
- ϕj :
-
floating potential of a particle
- φe :
-
electron work function
- a:
-
molecules
- j:
-
e, i
- e:
-
plasma electrons
- i:
-
ions
- h:
-
heavy particles of a plasma (molecules and ions)
- s:
-
surface
- Te:
-
thermoelectrons
- ∞:
-
unperturbed region of a plasma far from a particle
- −:
-
direction to the side with respect to a particle
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Additional information
A. A. Baikov Institute of Metallurgy, Russian Academy of Sciences, Moscow. Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 64, No. 4, pp. 482–486, April, 1993.
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Gnedovets, A.G., Gusarov, A.V. & Uglov, A.A. Kinetics of heat transfer from a rarefied plasma to a spherical particle emitting thermoelectrons. J Eng Phys Thermophys 64, 391–395 (1993). https://doi.org/10.1007/BF00859226
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DOI: https://doi.org/10.1007/BF00859226