DOI: https://doi.org/10.36347/sjet.2025.v13i01.006

Pages: 45-55

Unsteady numerical simulation is carried out for shock wave turbulent boundary layer interaction (SWTBLI) at wedge shock angle θw = 10o over a flat plate at freestream Mach 6 for freestream Reynolds number varying from 17.2 × 106, 37.3 × 106 and 72.8 × 106/m and wall to stagnation temperature ratio Tw/T = 0.56. A preliminary investigation is presented to analyse the fluid-surface interaction and to determine the sound pressure level. Spectral analysis is carried out using Fast Fourier Transform. The maximum shock wave frequency is about 645 Hz. The maximum sound pressure level of 110 dB is found near the separation points. The pressure and the heat flux fluctuations are found to be strongly, especially near the separation and reattachment points.