Abstract
Computational dependences are obtained for porous emitters, taking account of the influence of the velocity and heat of combustion of the injectant, the thermophysical properties, the porosity of the packing, and the degrees of the interacting media.
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Abbreviations
- Π:
-
porosity
- λ:
-
heat-conduction coefficient
- cp :
-
specific heat at constant pressure
- λή=(1 − П)λT+Пλs;qV :
-
specific power of the internal energy sources or sinks
- ρ:
-
mass density
- T:
-
temperature
- T:
-
porous body skeleton
- s:
-
injectant
- Σ:
-
total (effective) quantities
- i:
-
initial
- m:
-
geometric mean
- f:
-
finite
- g:
-
gas layer
- 1:
-
“cold” wall surface
- 2:
-
“hot”
- 3:
-
heated article
- ɛ:
-
values as y→∞
- ∞:
-
scalar quantities
Literature cited
R. Ramershwar and N. F. Volkov, Indian J. Technol.,7, No. 3, 74 (1969).
T. Burakovskii, E. Gizin'skii, and A. Salya, Infrared Emitters [in Russian], Énergiya, Leningrad (1978).
O. N. Bryukhanov, Radiation-Convective Heat Transfer during Gas Combustion in Perforated Systems [in Russian], Leningrad State Univ. (1977).
G. T. Sergeev, Principles of Mass and Heat Transfer in Reacting Systems [in Russian], Nauka i Tekhnika, Minsk (1976).
R. Siegel and J. R. Howell, Thermal Radiation Heat Transfer, McGraw-Hill (1972).
V. S. Chirkin, Thermophysical Properties of Nuclear Engineering Materials [in Russian], Atomizdat, Moscow (1968).
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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 37, No. 5, pp. 868–874, November, 1979.
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Sergeev, G.T. Analysis of plane porous emitters with surface combustion and a heated article. Journal of Engineering Physics 37, 1332–1337 (1979). https://doi.org/10.1007/BF01102231
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DOI: https://doi.org/10.1007/BF01102231