# 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= 0.30 # x (mm) T (deg C) 1 17.97 5 20.2 19 27.22 38.1 32.72 57.2 39.35 71.2 48.25 75.2 51.95