# Staggered tube bundle array: 3.6x1.6 array 
# Experiments by S. Balabani
# Mean U velocity profiles at x/d= 6.4
#
#   y/d      U (m/s)
     0.6     1.64 
     0.9     1.53 
     1.2     1.35 
     1.5     1.05 
     1.8     0.74