# Staggered tube bundle array: 3.6x1.6 array 
# Experiments by S. Balabani
# Mean U velocity profiles at x/d= 4.4
#
#   y/d      U (m/s)
     0       0.31 
     0.3     0.66 
     0.6     1.37 
     0.9     1.58 
     1.2     1.41