Abstract
Test data are shown on the heat transfer during simultaneous boiling and condensation in a closed channel, whereupon recommendations are made for the design of heat transfer elements.
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Abbreviations
- α :
-
heat transfer coefficient, W/m2·°C
- q:
-
thermal flux density
- T, t:
-
temperatures
- P:
-
pressure
- ΔP:
-
pressure drop
- A:
-
constant coefficient
- M:
-
molecular weight
- g:
-
acceleration of gravity
- l :
-
length
- d:
-
diameter
- R:
-
universal gas constant
- β :
-
inclination angle
- Q:
-
heat load, power
- FL :
-
cross section area
- λeff :
-
effective thermal conductivity
- μ :
-
viscosity coefficient
- u:
-
velocity
- r:
-
heat of phase transformation
- ρ′':
-
vapor density
- 2δ:
-
gap width
- a :
-
channel width
- c:
-
condensation
- b:
-
boiling
- cr:
-
critical values
- s:
-
saturation
- w:
-
wall
Literature cited
N. M. Stoyanov, Inzh.-Fiz. Zh.,17, No. 1 (1969).
A. F. Gavrilov and V. Ya. Lyakh, Teploénergetika, No. 3 (1965).
S. S. Kutateladze and N. N. Mamontova, Inzh.-Fiz. Zh.,12, No. 2 (1967).
V. I. Deev, V. V. Gusev, and G. P. Dubrovskii, Teploénergetika, No. 8 (1965).
V. V. Yagov, A. K. Gorodov, and D. A. Labuntsov, Inzh.-Fiz. Zh.,18, No. 4 (1970).
V. M. Vorishanskii, A. P. Kozyrev, and L. S. Svetlova, in: Convective Heat Transfer in Two-Phase and in Single-Phase Streams [in Russian], Izd. Énergiya (1964).
V. M. Vorishanskii and N. N. Kochurova, in: Convective Heat Transfer in Two-Phase and in Single-Phase Streams [in Russian], Izd. Energiya (1964).
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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 22, No. 6, pp. 999–1005, June, 1972.
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Andreev, S.P. A study of boiling and condensation in a heat transfer element. Journal of Engineering Physics 22, 688–693 (1972). https://doi.org/10.1007/BF00822972
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DOI: https://doi.org/10.1007/BF00822972