# Natural Convection in Tall Cavity: Ra=1.43E+6 # Expts of Betts and Bokhari # Temperature profile across the cavity at mid-height of the 5cm top rubber wall at z= 230 mm # x (mm) T (deg C) 1 16.04 9 21.1 38.1 36.84 67.2 51.18 75.2 54.71