On vortex filament methods for linear instability analysis of aircraft wakes

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URI: http://hdl.handle.net/10498/34980

DOI: 10.1016/j.ast.2014.10.018

URL: http://dx.doi.org/10.1016/j.ast.2014.10.018

ISSN: 1270-9638

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Autor/es
Tendero Ventanas, Juan ÁngelAutoridad UCA; Theofilis, Vassilios; Roura Sues, Miquel; Govindarajan, Rama
Fecha
2015-06-09
Departamento/s
Ingeniería Mecánica y Diseño Industrial
Fuente
Aerospace Science and Technology - 2015, Vol. 44 pp. 51–68
Resumen
Linear stability analysis of vortical systems is discussed in a systematic manner using the classic inviscid vortex filament method. Well-known results are recovered as special cases of a unified linearization procedure. The symmetries of the vortex systems analyzed are exploited to obtain an analytical picture of different classes of growing and decaying eigenmodes. Finally, comparisons with viscous global linear theory reveal the limits of applicability of the vortex filament method for the instability analysis of realistic vortex systems.
Materias
Point vortex; Vortex filament; Aircraft wake; Linear stability analysis
Colecciones
Attribution-NonCommercial-NoDerivatives 4.0 Internacional
Esta obra está bajo una Licencia Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 Internacional