# 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= 130 mm # x (mm) T (deg C) 1 15.87 9 21.35 38.1 37.22 67.2 51.03 75.2 54.26