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Hydrodynamics of pipeline filling with cryogenic fluid

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Journal of Engineering Physics and Thermophysics Aims and scope

Abstract

A developed physicomathematiccd model of pipeline cooling by a liquid cryoagent is presented; some results of mathematical simulation of the process are given; the results are compared with experimental data to determine the adequacy of the description of real physical processes by the model.

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Abbreviations

c :

heat capacity, J/(kg·K)

D :

diameter, m

F :

surface area, m2

G :

flow rate, kg/sec

I :

enthalpy, J/kg;

L :

length, m

P :

pressure, Pa

q :

specific heat flux, W/m

r :

specific heat of vapor generation, J/kg

R :

universal gas constant

T :

temperature, K

U :

velocity, m/sec

x :

coordinate, m

X :

mass vapor quality

α:

coefficient of heat transfer, W/(m·K)

λ:

drag coefficient

π:

perimeter, m

ρ:

density, kg/m3

τ:

time, sec

μ:

molecular mass.

0:

inlet

3:

right-boundary of the third portion

4:

outlet

liq:

liquids

liq v:

two-phase

p :

isobaric

ev:

evaporating

s:

on the saturation line

v:

vapor

w:

wall.

References

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Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 70, No. 5, pp.714-720, September-October, 1997.

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Gorbachyov, S.P., Gorlach, I.V. Hydrodynamics of pipeline filling with cryogenic fluid. J Eng Phys Thermophys 70, 707–713 (1997). https://doi.org/10.1007/BF02657626

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  • DOI: https://doi.org/10.1007/BF02657626

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