# Natural Convection in Tall Cavity: Ra=8.6E+5 # Expts of Betts and Bokhari # Temperature profile across the cavity on external surface of the perspex back wall at y/H= 0.70 # x (mm) T (deg C) 1 16.47 5 17.96 19 22.47 38.1 26.22 57.2 29.25 71.2 32.63 75.2 33.71