# In-line tube bundle array: 3.6x2.1 array # Experiments by S. Balabani # Rms v' velocity profiles at x/d= 4.6 # # y/d v' (m/s) 1.8 0.11 1.6 0.12 1.4 0.16 1.2 0.21 1 0.26 0.9 0.3 0.8 0.29