Manjula, S.H. ; Kiran, Palle ; Bhadauria, Beer Singh ; Reddy, P. Raj
The complex Ginzburg Landau model for an oscillatory convection in a rotating fluid
Group publication title:
Subject and Keywords:
convection ; finite amplitude ; nonlinear theory ; rotation modulation ; Nusselt number
A weakly nonlinear thermal instability is investigated under rotation speed modulation. Using the perturbation analysis, a nonlinear physical model is simplified to determine the convective amplitude for oscillatory mode. A non-autonomous complex Ginzburg-Landau equation for the finite amplitude of convection is derived based on a small perturbed parameter. The effect of rotation is found either to stabilize or destabilize the system.
Zielona Góra: Uniwersytet Zielonogórski
JAME, volume 25, number 1 (2020)