Measurements using a 63-microphone array and hotwire show outer-scaled wall-pressure fluctuations in zero-pressure-gradient turbulent boundary layers are primarily coupled to logarithmic-region velocities and convect at 0.75U∞ across Reτ from 1400 to 5200.
Schewe, On the structure and resolution of wall-pressure fluctuations associated with turbulent boundary-layer flow, J
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Convection velocities and velocity coupling of outer-scaled wall-pressure fluctuations in canonical turbulent boundary layers
Measurements using a 63-microphone array and hotwire show outer-scaled wall-pressure fluctuations in zero-pressure-gradient turbulent boundary layers are primarily coupled to logarithmic-region velocities and convect at 0.75U∞ across Reτ from 1400 to 5200.