Numerical analysis of 3D regimes of natural convection and surface radiation in a differentially heated enclosure

Abstract

Numerical analysis of 3D regimes of convection-radiation heat transfer in cubic enclosure with two isothermal faces and adiabatic walls is performed. The mathematical model is constructed in dimensionless variables “vector potential-vorticity vector-temperature” in the Boussinesq approximation and with regard to diathermal medium filling the enclosure. 3D temperature and velocity fields, medium motion trajectories in a wide range of key parameters are obtained. Correlations for the integral heat exchange coefficient as a function of the key process characteristics are found.

Original language	English
Pages (from-to)	22-32
Number of pages	11
Journal	Journal of Engineering Thermophysics
Volume	24
Issue number	1
DOIs	https://doi.org/10.1134/S1810232815010038
Publication status	Published - 1 Feb 2015

ASJC Scopus subject areas

Energy Engineering and Power Technology
Modelling and Simulation
Condensed Matter Physics
Environmental Engineering

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10.1134/S1810232815010038

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title = "Numerical analysis of 3D regimes of natural convection and surface radiation in a differentially heated enclosure",

abstract = "Numerical analysis of 3D regimes of convection-radiation heat transfer in cubic enclosure with two isothermal faces and adiabatic walls is performed. The mathematical model is constructed in dimensionless variables “vector potential-vorticity vector-temperature” in the Boussinesq approximation and with regard to diathermal medium filling the enclosure. 3D temperature and velocity fields, medium motion trajectories in a wide range of key parameters are obtained. Correlations for the integral heat exchange coefficient as a function of the key process characteristics are found.",

author = "Martyushev, {S. G.} and Sheremet, {M. A.}",

year = "2015",

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doi = "10.1134/S1810232815010038",

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N2 - Numerical analysis of 3D regimes of convection-radiation heat transfer in cubic enclosure with two isothermal faces and adiabatic walls is performed. The mathematical model is constructed in dimensionless variables “vector potential-vorticity vector-temperature” in the Boussinesq approximation and with regard to diathermal medium filling the enclosure. 3D temperature and velocity fields, medium motion trajectories in a wide range of key parameters are obtained. Correlations for the integral heat exchange coefficient as a function of the key process characteristics are found.

AB - Numerical analysis of 3D regimes of convection-radiation heat transfer in cubic enclosure with two isothermal faces and adiabatic walls is performed. The mathematical model is constructed in dimensionless variables “vector potential-vorticity vector-temperature” in the Boussinesq approximation and with regard to diathermal medium filling the enclosure. 3D temperature and velocity fields, medium motion trajectories in a wide range of key parameters are obtained. Correlations for the integral heat exchange coefficient as a function of the key process characteristics are found.

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