# Natural Convection in Tall Cavity: Ra=8.6E+5 # Expts of Betts and Bokhari # Temperature profile across the cavity at mid-height of the 5cm bottom rubber wall at z= 230 mm # x (mm) T (deg C) 1 16.35 9 18.08 38.1 24.03 67.2 30.3 75.2 32.4