# In-line tube bundle array: 3.6x2.1 array # Experiments by S. Balabani # Rms u' velocity profiles at x/d= 5.9 # # y/d u' (m/s) 1.8 0.14 1.6 0.16 1.4 0.23 1.2 0.28 1 0.27 0.8 0.26 0.7 0.24 0.6 0.27