Two-Point Measurements of Post-shock Overpressure Past a Grid Turbulence

摘要

It is confirmed that the peak overpressure measured at the two points, apart by 5 to 15 times as large as the turbulence integral scale are almost independent (C=0.05). However, a positive correlation coefficient (C=0.25) was obtained between the difference in peak value of the post-shock overpressure and that in the shock wave arrival time, which was caused by the variation of the relative shock Mach number to the upstream flow.