Mathematical simulation of convective heat transfer in the low-temperature storage of liquefied natural gas

Abstract

The article shows the results of mathematical modeling of convective heat transfer in the low-temperature storage of liquefied natural gas. Regime of natural convection in an enclosure with different intensity of the heat flux at the external borders are investigated. Was examined two-dimensional nonstationary problem within the model of Navier-Stokes in dimensionless variables "vorticity - stream function - temperature". Distributions of hydrodynamic parameters and temperatures that characterize the basic regularities of the processes are obtained. Circulating flows are determined and carried out the analysis of vortices formation mechanism and the temperature distribution in solution at conditions of natural convection when the Grashof number (Gr=10⁶). A significant influence of heat transfer rate on solutions boundary on flow structure and temperature field in LNG storage tanks.

Original language	English
Article number	01050
Journal	MATEC Web of Conferences
Volume	37
DOIs	https://doi.org/10.1051/matecconf/20153701050
Publication status	Published - 22 Dec 2015

ASJC Scopus subject areas

Chemistry(all)
Engineering(all)
Materials Science(all)

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title = "Mathematical simulation of convective heat transfer in the low-temperature storage of liquefied natural gas",

abstract = "The article shows the results of mathematical modeling of convective heat transfer in the low-temperature storage of liquefied natural gas. Regime of natural convection in an enclosure with different intensity of the heat flux at the external borders are investigated. Was examined two-dimensional nonstationary problem within the model of Navier-Stokes in dimensionless variables {"}vorticity - stream function - temperature{"}. Distributions of hydrodynamic parameters and temperatures that characterize the basic regularities of the processes are obtained. Circulating flows are determined and carried out the analysis of vortices formation mechanism and the temperature distribution in solution at conditions of natural convection when the Grashof number (Gr=106). A significant influence of heat transfer rate on solutions boundary on flow structure and temperature field in LNG storage tanks.",

author = "Shestakov, {Igor A.} and Dolgova, {Anastasia A.} and Maksimov, {Vyacheslav I.}",

year = "2015",

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language = "English",

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AU - Shestakov, Igor A.

AU - Dolgova, Anastasia A.

AU - Maksimov, Vyacheslav I.

PY - 2015/12/22

Y1 - 2015/12/22

N2 - The article shows the results of mathematical modeling of convective heat transfer in the low-temperature storage of liquefied natural gas. Regime of natural convection in an enclosure with different intensity of the heat flux at the external borders are investigated. Was examined two-dimensional nonstationary problem within the model of Navier-Stokes in dimensionless variables "vorticity - stream function - temperature". Distributions of hydrodynamic parameters and temperatures that characterize the basic regularities of the processes are obtained. Circulating flows are determined and carried out the analysis of vortices formation mechanism and the temperature distribution in solution at conditions of natural convection when the Grashof number (Gr=106). A significant influence of heat transfer rate on solutions boundary on flow structure and temperature field in LNG storage tanks.

AB - The article shows the results of mathematical modeling of convective heat transfer in the low-temperature storage of liquefied natural gas. Regime of natural convection in an enclosure with different intensity of the heat flux at the external borders are investigated. Was examined two-dimensional nonstationary problem within the model of Navier-Stokes in dimensionless variables "vorticity - stream function - temperature". Distributions of hydrodynamic parameters and temperatures that characterize the basic regularities of the processes are obtained. Circulating flows are determined and carried out the analysis of vortices formation mechanism and the temperature distribution in solution at conditions of natural convection when the Grashof number (Gr=106). A significant influence of heat transfer rate on solutions boundary on flow structure and temperature field in LNG storage tanks.

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