# Natural Convection in Tall Cavity: Ra=1.43E+6 # Expts of Betts and Bokhari # Horizontal rms velocity profile through z= 0, y/H= 0.90 # x (mm) u' (m/s) 20 0.036 23 0.037 28 0.039 33 0.042 38 0.037 43 0.042 48 0.039 53 0.032 55 0.029