# 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= 0.50 # x (mm) T (deg C) 1 18.71 5 21.08 19 29.32 38.1 34.82 57.2 41.15 71.2 48.8 75.2 52.46