# 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 top rubber wall at z= 130 mm # x (mm) T (deg C) 1 16.02 9 18.55 38.1 26.05 67.2 32.76 75.2 34.2