03.2 - Experimental Aerodynamics
INTERMITTENT LOW FREQUENCY EXPERIMENTAL CAVITY DYNAMICS
J. McCarthy¹, C. Marshall¹, C. Brown, RMIT University, Australia; M. Jones¹; ¹Defence Science and Technology Group, Australia
Low frequency and intermittent cavity dynamics are found to generate significant temporal variation of the pressure RMS and subsequently the loads exerted on flight vehicles. Wavelet analysis performed on long duration transonic wind tunnel test data shows bands and structures at very low frequencies which can match or exceed Rossiter tone amplitudes.
DOI: 10.71945/icas2026_0748