# 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= 130 mm # x (mm) T (deg C) 1 15.29 9 16.96 38.1 24.03 67.2 31.64 75.2 34.63