Unstable bursts in the near region of an internal free shear layer
Abstract
A deterministic approach is used to analyze the flow in the near region of an internal free shear layer. Measurements of the time between bursts in the near region identify the possibility of the existence of chaotic attractors in the flow. The experimental data give some insight into the existence of these attractors. The turbulent NavierStokes equations along with a velocity profile derived by Stuart are used to model the velocity in this flow regime. Computer solutions of the linearized form of the rate of change of the Fourier components of the turbulent (deterministic) flow field reveal the existence of a region of instability.
 Publication:

AIAA, ASME, SIAM, and APS, National Fluid Dynamics Congress
 Pub Date:
 1988
 Bibcode:
 1988aiaa.conf..853I
 Keywords:

 Flow Stability;
 Free Flow;
 NavierStokes Equation;
 Shear Flow;
 Shear Layers;
 Turbulent Flow;
 Fluid Flow;
 Fourier Series;
 Solid Propellant Rocket Engines;
 Velocity Distribution;
 Fluid Mechanics and Heat Transfer