# 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 front wall at y/H= 0.311 # x (mm) T (deg C) 1 16.1 5 17.31 19 21.08 38.1 24.28 57.2 27.88 71.2 31.83 75.2 33.06