# In-line tube bundle array: 3.6x2.1 array # Experiments by S. Balabani # Rms u' velocity profiles at x/d= 6.7 # # y/d u' (m/s) 1.8 0.16 1.6 0.2 1.4 0.21 1.2 0.24 1 0.26 0.8 0.29 0.7 0.35 0.6 0.44