# 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= 0.061 # x (mm) T (deg C) 1 15.58 5 16.71 19 19.73 38.1 22.08 57.2 26.1 71.2 30.65 75.2 32.96