# 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= 0.10 # x (mm) T (deg C) 1 15.75 5 16.96 19 19.96 38.1 22.73 57.2 26.38 71.2 31.3 75.2 33.06