OJFD  Vol.3 No.4 , December 2013
A New Large Scale Instability in Rotating Stratified Fluids Driven by Small Scale Forces
ABSTRACT
In this paper, we find a new large scale instability displayed by a stratified rotating flow in forced turbulence. The turbulence is generated by a small scale external force at low Reynolds number. The theory is built on the rigorous asymptotic method of multi-scale development. There is no other special constraint concerning the force. In previous papers, the force was either helical or violating parity invariance. The nonlinear equations for the instability are obtained at the third order of the perturbation theory. In this article, we explain a detailed study of the linear stage of the instability.

Cite this paper
A. Tur, M. Chabane and V. Yanovsky, "A New Large Scale Instability in Rotating Stratified Fluids Driven by Small Scale Forces," Open Journal of Fluid Dynamics, Vol. 3 No. 4, 2013, pp. 340-351. doi: 10.4236/ojfd.2013.34041.
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