Open AccessStudy of Thermal Convection in Micropolar Fluids Occupying a Rectangular Box
Author(s) -
S. Manjunath,
N. P. Chandrashekara
Publication year - 2012
Publication title -
mapana journal of sciences
Language(s) - English
Resource type - Journals
ISSN - 0975-3303
DOI - 10.12723/mjs.22.8
Subject(s) - aspect ratio (aeronautics) , mechanics , square (algebra) , convection , rayleigh number , limiting , thermal , fourier series , materials science , natural convection , coupling (piping) , physics , geometry , mathematics , thermodynamics , mathematical analysis , composite material , engineering , mechanical engineering
This paper is a Fourier–series assisted numerical study of two–dimensional steady thermal convection in micropolar fluid occupying a rectangular box. The horizontal walls of the cavity are uniformly heated to establish a linear temperature in the vertical direction. The vertical walls are insulated. The critical Rayleigh number is obtained numerically as a function of coupling parameter, couple stress parameter and aspect ratio, and the same is plotted graphically. The results of slender vertical, rectangular and square box of finite aspect ratio are obtained as limiting cases of the study.