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REVIEW ARTICLES: Turbulence Theories and Models Incorporating Experimental and Computer Simulation Knowledge of Coherent Structures

Possibilities of Incorporating Coherent Structure Models in Turbulent Shear Flow Calculations

[+] Author and Article Information
J. T. C. Liu

Division of Engineering, Brown University, Providence RI 12912

Appl. Mech. Rev 43(5S), S210-S213 (May 01, 1990) doi:10.1115/1.3120808 History: Online April 30, 2009

Abstract

We discuss possibilities of using coherent structure models in turbulent shear flow description. The nonuniversality of different classes of such flows is directly attributed to the nonuniversality of hydrodynamic instability mechanisms. This is fully explored in discussions of free shear flows, where dynamical instabilities are important and in wall-bounded flows where longitudinal vorticity system and its nonlinear consequence are at play.

Copyright © 1990 by American Society of Mechanical Engineers
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