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Aeroacoustics coupling of a misaligned jet-slot-oscillator with non-planar modes of a resonator

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Academic year: 2021

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Figure

Figure 1: Overall view of the experimental set-up (dimensions in mm).
Figure 3: Tones frequency (a) and emitted sound level (b) as a function of the misalignment angle α between the jet-exit and the obstacle, for Re = 18000 and L/H = 2.5.
Figure 4: Acoustic phase pattern, in the spanwise dimension, at the exit of the flow supply duct, for Re = 18000 and L/H = 2.5, (−) α = 0 ◦ (+) α = −5.1 ◦ , (o) α = −3.6 ◦ , (  ) α = 3.3 ◦ , (∗) α = 5.1 ◦ .

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