# In-line tube bundle array: 3.6x2.1 array # Experiments by S. Balabani # Rms v' velocity profiles at x/d= 8.4 # # y/d v' (m/s) 1.8 0.19 1.6 0.24 1.4 0.28 1.2 0.32 1 0.36 0.9 0.34