# Natural Convection in Tall Cavity: Ra=1.43E+6 # Expts of Betts and Bokhari # Horizontal mean velocity profile normal to top wall at z= 130mm, x= 38.1 mm # distance from wall (mm) U (m/s) 1.52 -0.042 3 -0.064 5 -0.071 7 -0.073 9 -0.071 12.5 -0.062 18.5 -0.048 23.1 -0.035 29 -0.026 34.8 -0.019