# 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= 259 mm # x (mm) T (deg C) 1 15.3 9 18.85 38.1 24.68 67.2 30.96 75.2 33.11