# 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= 0.95 # x (mm) T (deg C) 1 19.07 5 22.45 19 30.59 38.1 37.46 57.2 44.46 71.2 51.4 75.2 53.91