Open AccessSynchronous and Asynchronous Boundary Temperature Modulations on Triple-Diffusive Convection in Couple Stress Liquid Using Ginzburg-Landau Model
Author(s) -
T. Sameena,
S. Pranesh
Publication year - 2018
Publication title -
international journal of engineering and technology
Language(s) - English
Resource type - Journals
ISSN - 2227-524X
DOI - 10.14419/ijet.v7i4.10.21304
Subject(s) - modulation (music) , convection , nonlinear system , physics , boundary value problem , stress (linguistics) , rayleigh scattering , boundary (topology) , bernoulli's principle , mass transfer , heat transfer , rayleigh number , mechanics , thermodynamics , mathematical analysis , mathematics , natural convection , optics , quantum mechanics , acoustics , linguistics , philosophy
A nonlinear study of synchronous and asynchronous boundary temperature modulations on the onset of triple-diffusive convection in couple stress liquid is examined. Two cases of temperature modulations are studied: (a) Synchronous temperature modulation ( ) and (b) Asynchronous temperature modulation ( ). It is done to examine the influence of mass and heat transfer by deriving Ginzburg-Landau equation. The resultant Ginzburg-Landau equation is Bernoulli equation and it is solved numerically by means of Mathematica. The influence of solute Rayleigh numbers and couple stress parameter is studied. It is observed that couple stress parameter increases the mass and heat transfer whereas solute Rayleigh numbers decreases the mass and heat transfer.