%0 Journal Article %A Prakash, Jyoti %A Vaid, Kanu %A Bala, Renu %D 2015 %I Begell House %N 5 %P 391-403 %R 10.1615/InterJFluidMechRes.v42.i5.20 %T On arresting the Complex Growth Rates in Magnetohydrodynamic Triply Diffusive Convection %U https://www.dl.begellhouse.com/journals/71cb29ca5b40f8f8,73dc5a1f597730b9,56028aad0c9c257f.html %V 42 %X The paper mathematically establishes that the complex growth rate (pr ,pi) of an arbitrary neutral or unstable oscillatory perturbation of growing amplitude, in a magneto triply diffusive fluid layer with one of the components as heat with diffusivity κ must lie inside a semicircle in the right half of the (pr,pi) plane whose centre is origin and radius is max[√((R1 + R2)σ), Qσ], where R1 and R2 are the Rayleigh numbers for the two concentration components with diffusivities κ1 and κ2 (with no loss of generality κ > κ1 > κ2), Q is the Chandrasekhar number and σ is the thermal Prandtl number. It is further proved that the above result is uniformly valid for any combination of rigid and free boundaries (which may be insulating or perfectly conducting). %8 2015-10-29