# Natural Convection in Tall Cavity: Ra=1.43E+6 # Expts of Betts and Bokhari # Temperature profile across the cavity on external surface of the perspex back wall at y/H= 0.05 # x (mm) T (deg C) 1 16.49 5 18.21 19 24.13 38.1 29.25 57.2 36.74 71.2 46.69 75.2 50.68