# Natural Convection in Tall Cavity: Ra=1.43E+6 # Expts of Betts and Bokhari # Horizontal rms velocity profile through z= 0, y/H= 0.10 # x (mm) u' (m/s) 23 0.034 28 0.034 33 0.038 38 0.036 43 0.036 48 0.036 53 0.036