Abstract

BECERRIL, R.  and  MENDOZA, J.. Tricritical behavior in stationary double diffusive convection with cross diffusion. Rev. mex. fis. [online]. 2002, vol.48, n.2, pp.88-91. ISSN 0035-001X.

We derive an amplitude equation for the stationary instability for the isothermal double diffusive system with cross diffusion. A quintic term is computed in terms of rescaled cross-diffusion constants. This quintic term is stabilizing in the vicinity of the tricritical point. The existence of a tricritical point indicates the presence of a hysteresis loop whose parameters are also presented.

Keywords : Hydrodynamic stability; convection.

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