# In-line tube bundle array: 3.6x2.1 array # Experiments by S. Balabani # Mean U velocity profiles at x/d= 0.0 # # y/d U (m/s) 1.8 1.25 1.6 1.26 1.4 1.31 1.2 1.34 1 1.38 0.8 1.45 0.6 1.54