# # Yang & Tsai Data # Rms pressure fluctuations 4mm slit V gutter # # x= 50 mm # # y (mm) p' 30 12.5 28 13 26 13.6 24 14.8 22 15.4 20 16.1 18 17.5 16 18 14 19.2 12 17.8 10 16.7 8 15.8 6 14.8 4 14.2 2 13 0 12.5 -2 13.2 -4 14.2 -6 15.9 -8 16.9 -10 17.5 -12 18 -14 18.5 -16 18.9 -18 18.4 -20 17.8 -22 17 -24 15.2 -26 14.2 -28 14 -30 13.8