On acoustically modulated jet shear layers and the Nyquist–Shannon sampling theorem

The goal of this paper is to present the behavior of a jet shear layer in response to acoustic excitation from a signal processing perspective. The main idea is that the vortices that roll-up in the jet shear layer are similar to the discrete samples of a digital control system, and, hence, that the...

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Veröffentlicht in:	Physics of fluids (1994) 2022-11, Vol.34 (11)
Hauptverfasser:	Nicholls, C. J., Chakravarthy, K., Tang, B. M. T., Williams, B. A. O., Bacic, M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Acoustic excitation Amplitude modulation Demodulation Demodulators Particle image velocimetry Sampling Shear layers Signal processing Theorems Vortices Vorticity Waveforms
Online-Zugang:	Volltext
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