# Natural Convection in Tall Cavity: Ra=1.43E+6 # Expts of Betts and Bokhari # Horizontal mean velocity profile through z= 0, y/H= 0.10 # x (mm) U (m/s) 23 0.004 28 0.016 33 0.016 38 0.016 43 0.015 48 0.014 53 0.005