%0 Journal Article %A Díaz Díaz, Jesús Ildefonso %A Galiano, Gonzalo %T On the Boussinesq system with non linear thermal diffusion %D 1997 %@ 0362-546X %U https://hdl.handle.net/20.500.14352/57391 %X The Boussinesq system of hydrodynamics equations, arises from a zero order approximation to the coupling between the Navier-Stokes equations and the thermodynamic equation. The presence of density gradients in a fluid means that gravitational potential energy can be converted into motion through the action of bouyant forces. %~