J. Phys. II France
Volume 5, Numéro 5, May 1995
Page(s) 745 - 752
DOI: 10.1051/jp2:1995162
J. Phys. II France 5 (1995) 745-752

Application of Renormalization Group Method in Thermally Stratified Turbulent Flows

D.N. Riahi

Department of Theoretical and Applied mechanics, 216 Talbot Laboratory, 104 S. Wrigth St., University of Illinois, Urbana, Illinois 61801, U.S.A.

(Received 28 October 1994, revised 9 January 1995, accepted 19 January 1995)

Renormalization group theory is applied to stratified turbulence. Various results due to nonlinearities, buoyancy and reference temperature gradient S0 are reported for cases where |S0| is uniform and sufficiently large. The main result is that the imposition of strong stratification leads to a new renormalization group fixed point and a ( -3) law for the energy spectrum.

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