# In-line tube bundle array: 3.6x2.1 array # Experiments by S. Balabani # Rms v' velocity profiles at x/d= 8.0 # # y/d v' (m/s) 1.8 0.21 1.6 0.21 1.4 0.29 1.2 0.35 1 0.35 0.9 0.37 0.8 0.39