# In-line tube bundle array: 3.6x2.1 array # Experiments by S. Balabani # Rms u' velocity profiles at x/d= 3.8 # # y/d u' (m/s) 1.8 0.12 1.6 0.13 1.4 0.16 1.2 0.19 1 0.24 0.8 0.26 0.7 0.26 0.6 0.27