# 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= 0.90 # x (mm) T (deg C) 1 19.05 5 21.45 19 29.97 38.1 37.09 57.2 43.86 71.2 50.83 75.2 53.38