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A study of boiling and condensation in a heat transfer element

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Journal of engineering physics Aims and scope

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

  1. N. M. Stoyanov, Inzh.-Fiz. Zh.,17, No. 1 (1969).

  2. A. F. Gavrilov and V. Ya. Lyakh, Teploénergetika, No. 3 (1965).

  3. S. S. Kutateladze and N. N. Mamontova, Inzh.-Fiz. Zh.,12, No. 2 (1967).

  4. V. I. Deev, V. V. Gusev, and G. P. Dubrovskii, Teploénergetika, No. 8 (1965).

  5. V. V. Yagov, A. K. Gorodov, and D. A. Labuntsov, Inzh.-Fiz. Zh.,18, No. 4 (1970).

  6. 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).

  7. 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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Additional information

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

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