# Staggered tube bundle array: 3.6x2.1 array # Experiments by S. Balabani # Mean U velocity profiles at x/d= 0.4 # # y/d U (m/s) 0.7 1.541 0.8 1.486 1 1.393 1.2 1.317 1.4 1.266 1.6 1.223 1.8 1.212