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.
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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