# Staggered tube bundle array: 3.6x2.1 array # Experiments by S. Balabani # Mean U velocity profiles at x/d= 4.2 # # y/d U (m/s) 0.6 1.769 0.8 1.707 1 1.615 1.1 1.527 1.2 1.47 1.3 1.367 1.4 1.238 1.5 1.106 1.6 0.958 1.7 0.884 1.8 0.82