# In-line tube bundle array: 3.6x2.1 array # Experiments by S. Balabani # Rms u' velocity profiles at x/d= 0.4 # # y/d u' (m/s) 1.8 0.08 1.6 0.08 1.4 0.08 1.2 0.07 1 0.07 0.8 0.07 0.7 0.09 0.6 0.4