# In-line tube bundle array: 3.6x2.1 array # Experiments by S. Balabani # Rms u' velocity profiles at x/d= 1.7 # # y/d u' (m/s) 1.8 0.08 1.6 0.09 1.4 0.09 1.2 0.09 1 0.12 0.8 0.2 0.7 0.31 0.6 0.33