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pro vyhledávání: '"Chris J Nicholls"'
Autor:
Chris J Nicholls, Marko Bacic
Publikováno v:
AIAA Journal. 61:1973-1985
This paper demonstrates the closed-loop control of the frequency and phase of a fluidic oscillator using acoustic excitation. It is shown experimentally that the use of acoustic excitation modifies the passive feedback mechanism and slows down the je
Shear layers act as demodulators when subjected to amplitude modulated, acoustic perturbations. Recent work explained that the demodulation is a result of the hypothesized relationship between the excitation waveform and the vorticity signal of the l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d01ad27b6c37b9b87c07eccfb3400a10
https://doi.org/10.1063/5.0130336
https://doi.org/10.1063/5.0130336
Publikováno v:
Journal of Fluids Engineering. 144
Fluidic oscillators show promise for use in aerodynamic flow control applications, with many studies reporting oscillation frequencies in the 1–10 kHz range. Spyropoulos, “A Sonic Oscillator,” introduced a “sonic” oscillator whose oscillati