Entropy production-based nonlinear optimal perturbation for subsonic flows around an airfoil

The extraction and time evolution of optimal perturbation (OP) offers abundant physical insights in fluid dynamics. Nonlinear OP (NLOP) analysis provides an approach for obtaining the trajectory to induce the maximum changes in the flow field. In an extension into unsteady flow field, we tracked the...

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Veröffentlicht in:	Physics of fluids (1994) 2024-09, Vol.36 (9)
Format:	Artikel
Sprache:	eng
Schlagworte:	Airfoils Compressibility effects Compressible flow Energy dissipation Energy distribution Entropy Fluid dynamics Fluid flow Nonlinear dynamics Perturbation Separation Spatial distribution Subsonic flow Unsteady flow
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