scholarly journals Three-Dimensional Numerical Analysis of Natural Convection in a Saturated Porous Matrix. (Stability of Convection Patterns).

1994 ◽  
Vol 60 (571) ◽  
pp. 960-964 ◽  
Author(s):  
Yoshio Masuda ◽  
Shigeo Kimura ◽  
Kazuo Hayashi
Keyword(s):  
Natural Convection ◽  
Numerical Analysis ◽  
Three Dimensional ◽  
Porous Matrix ◽  
Matrix Stability ◽  
Convection Patterns

Three-Dimensional Numerical Analysis for Convection of Air in a Bore Space of a Superconducting Magnet

2003 ◽  
Author(s):  
G. Tomita ◽  
M. Kaneda ◽  
T. Tagawa ◽  
H. Ozoe
Keyword(s):  
Magnetic Field ◽  
Heat Flux ◽  
Natural Convection ◽  
Numerical Analysis ◽  
Strong Magnetic Field ◽  
Three Dimensional ◽  
Superconducting Magnet ◽  
Constant Heat Flux ◽  
Constant Heat ◽  
Magnetizing Force

Three-dimensional numerical computations were carried out for the natural convection of air in a horizontal cylindrical enclosure in a magnetic field, which is modeled for a bore space of a horizontal superconducting magnet. The enclosure was cooled from the circumferential sidewall at the constant heat flux and vertical end walls were thermally insulated. A strong magnetic field was considered by a one-turn electric coil with the concentric and twice diameter of the cylinder. Without a magnetic field, natural convection occurs along the circumferential sidewall. When a magnetic field was applied, magnetizing force induced the additional convection, that is, the cooled air at the circumferential wall was attracted to the location of a coil. Consequently, the temperature around the coil decreased extensively.

Three-Dimensional Numerical Analysis of Transient Natural Convection in Rectangular Enclosures

1979 ◽  
Vol 101 (1) ◽  
pp. 114-119 ◽  
Author(s):  
A. M. C. Chan ◽  
S. Banerjee
Keyword(s):  
Porous Media ◽  
Natural Convection ◽  
Numerical Analysis ◽  
Turbulent Flows ◽  
Numerical Technique ◽  
Three Dimensional ◽  
Experimental Results ◽  
Primitive Form ◽  
Conservation Equations ◽  
Practical Utility

A simple numerical technique of considerable practical utility for the solution of transient multidimensional natural convection problems is described. It is based on the solution of the conservation equations in primitive form. The technique can be extended to calculation of natural convection problems in porous media and in turbulent flows where the eddy viscosities and conductivities can be predicted. It has been applied to the solution of several two and three-dimensional natural convection problems. The solutions compare well with the numerical and experimental results published by other investigators.

Numerical analysis of entropy generation due to natural convection in three-dimensional partially open enclosures

2017 ◽  
Vol 75 ◽  
pp. 131-140 ◽  
Author(s):  
Hakan F. Oztop ◽  
Lioua Kolsi ◽  
Abdulaziz Alghamdi ◽  
Nidal Abu-Hamdeh ◽  
Mohamed Naceur Borjini ◽  
...  
Keyword(s):  
Natural Convection ◽  
Numerical Analysis ◽  
Entropy Generation ◽  
Three Dimensional

THREE-DIMENSIONAL NUMERICAL ANALYSIS OF NATURAL CONVECTION IN A SPHERICAL ANNULUS

1985 ◽  
Vol 8 (4) ◽  
pp. 383-406 ◽  
Author(s):  
Hiroyuki Ozoe ◽  
Keiichi Fujii ◽  
Tsutomu Shibata ◽  
Hisashi Kuriyama ◽  
Stuart W. Churchill
Keyword(s):  
Natural Convection ◽  
Numerical Analysis ◽  
Three Dimensional ◽  
Spherical Annulus
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