Numerical Analysis of Three-Dimensional Natural Convection in a Closed Rectangular Cavity under Conditions of Radiant Heating and Conjugate Heat Exchange

Abstract

The numerical simulation results of three-dimensional natural convection in a closed cavity were presented under conditions of the bottom horizontal solid-fluid interface radiant heating and conjugate heat exchange. Conservation equations of mass, momentum, and energy were formulated in terms of vorticity vector-vector potential-temperature dimensionless variables and solved by means of the finite difference method. It was found that the heat transfer process under study had a significant unsteady nature. According to the results of conjugate heat exchange integral analysis, it was shown that similar trends of mean Nusselt numbers versus dimensionless time were formed for both two and three dimensional problem formulations.

Original language	English
Article number	01027
Journal	MATEC Web of Conferences
Volume	91
DOIs	https://doi.org/10.1051/matecconf/20179101027
Publication status	Published - 20 Dec 2016
Event	4th International Youth Forum on Smart Grids 2016 - Tomsk, Russian Federation Duration: 10 Oct 2016 → 14 Oct 2016

ASJC Scopus subject areas

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

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10.1051/matecconf/20179101027

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title = "Numerical Analysis of Three-Dimensional Natural Convection in a Closed Rectangular Cavity under Conditions of Radiant Heating and Conjugate Heat Exchange",

abstract = "The numerical simulation results of three-dimensional natural convection in a closed cavity were presented under conditions of the bottom horizontal solid-fluid interface radiant heating and conjugate heat exchange. Conservation equations of mass, momentum, and energy were formulated in terms of vorticity vector-vector potential-temperature dimensionless variables and solved by means of the finite difference method. It was found that the heat transfer process under study had a significant unsteady nature. According to the results of conjugate heat exchange integral analysis, it was shown that similar trends of mean Nusselt numbers versus dimensionless time were formed for both two and three dimensional problem formulations.",

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AU - Nee, Alexander E.

PY - 2016/12/20

Y1 - 2016/12/20

N2 - The numerical simulation results of three-dimensional natural convection in a closed cavity were presented under conditions of the bottom horizontal solid-fluid interface radiant heating and conjugate heat exchange. Conservation equations of mass, momentum, and energy were formulated in terms of vorticity vector-vector potential-temperature dimensionless variables and solved by means of the finite difference method. It was found that the heat transfer process under study had a significant unsteady nature. According to the results of conjugate heat exchange integral analysis, it was shown that similar trends of mean Nusselt numbers versus dimensionless time were formed for both two and three dimensional problem formulations.

AB - The numerical simulation results of three-dimensional natural convection in a closed cavity were presented under conditions of the bottom horizontal solid-fluid interface radiant heating and conjugate heat exchange. Conservation equations of mass, momentum, and energy were formulated in terms of vorticity vector-vector potential-temperature dimensionless variables and solved by means of the finite difference method. It was found that the heat transfer process under study had a significant unsteady nature. According to the results of conjugate heat exchange integral analysis, it was shown that similar trends of mean Nusselt numbers versus dimensionless time were formed for both two and three dimensional problem formulations.

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Numerical Analysis of Three-Dimensional Natural Convection in a Closed Rectangular Cavity under Conditions of Radiant Heating and Conjugate Heat Exchange

Abstract

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