# In-line tube bundle array: 3.6x2.1 array # Experiments by S. Balabani # Rms v' velocity profiles at x/d= 5.9 # # y/d v' (m/s) 1.8 0.13 1.6 0.16 1.4 0.23 1.2 0.27 1 0.31 0.9 0.36 0.8 0.37