# 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= 259 mm # x (mm) T (deg C) 1 16.51 9 20.55 38.1 37.02 67.2 50.55 75.2 54.69