# Staggered tube bundle array: 3.6x1.6 array # Experiments by S. Balabani # rms u' velocity profiles at x/d= 4.0 # # y/d u' (m/s) 0 0.48 0.3 0.57 0.6 0.46 0.9 0.43 1.2 0.47 1.5 0.44 1.8 0.40