# Natural Convection in Tall Cavity: Ra=8.6E+5 # Expts of Betts and Bokhari # Horizontal rms velocity profile through z= 0, y/H= 0.50 # x (mm) u' (m/s) 20 0.05 23 0.048 28 0.052 33 0.054 38 0.052 43 0.052 48 0.053 53 0.05 55 0.052