Abstract
Similitude equations are obtained on the basis of the principle of superposition of separate effects to calculate heat exchange between surfaces with complexshaped cross sections located in a rectangular channel during their cooling by a two-phase flow.
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Abbreviations
- T, q:
-
temperature and heat flux
- Tw :
-
mean surface temperature
- I, R:
-
current and electrical resistance
- V:
-
volume of the material
- α, λ, anda :
-
heat-transfer coefficients, thermal conductivity, and linear expansion of the material
- ε:
-
relative functions
- ε∑=εmεϕ; ε *∑ =ε *m ε *ϕ ε *s ; ψ:
-
temperature factor
- X:
-
relative weight content of liquid phase
- w:
-
surface
- f:
-
incoming flow
- v:
-
volume
- m:
-
two-phase flow
- ϕ:
-
angle of attack
- s:
-
shape of ϕ surface
- *:
-
pertains to surface with swirl vanes
Literature cited
O. A. Kremnev and A. L. Satanovskii, Evaporation Air-Water Cooling of Equipment [in Russian], Mashinostroenie, Moscow (1967).
M. A. Styrikovich, Yu. V. Barashev, G. V. Tsiklauri, and M. E. Grigorova, “The mechanism of heat and mass transfer between a water drop and a heated surface,” Sixth Int. Heat Transfer Conf., Ottawa, Vol. 1 (1978), pp. 239–243.
A. S. Sukomel, V. I. Velichko, and Yu. G. Abrosimov, Heat Exchange and Friction in the Turbulent Flow of a Gas in Short Channels [in Russian], Énergiya, Moscow (1979).
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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 40, No. 5, pp. 780–786, May, 1980.
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Khalatov, A.A., Satanovskii, A.L. & Vainberg, R.S. Heat exchange in two-phase flow about a surface located in a rectangular channel. Journal of Engineering Physics 40, 468–472 (1981). https://doi.org/10.1007/BF00822110
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DOI: https://doi.org/10.1007/BF00822110