# Square duct, two roughened opposite walls
#
#  u1u3/Us^2       x1000
#
#    X3/B= 0     -0.2    -0.4    -0.6    -0.8
# X2/B
  0.00   0.023   -0.843  -1.995  -3.380  -4.550
 -0.08   0.011   -0.824  -1.958  -3.244  -4.453
 -0.16   0.014   -0.712  -1.959  -3.136  -4.414
 -0.24   0.023   -0.640  -1.739  -3.174  -4.431
 -0.32   0.020   -0.549  -1.562  -3.122  -4.417
 -0.40   0.052   -0.375  -1.396  -2.912  -4.305
 -0.48   0.025   -0.180  -1.094  -2.625  -4.211
 -0.56   0.049   -0.008  -0.867  -2.412  -4.021
 -0.64   0.064   0.168   -0.576  -2.122  -3.742
 -0.68   0.067   0.263   -0.437  -1.959  -3.632
 -0.72   0.039   0.320   -0.342  -1.760  -3.405
 -0.76   0.068   0.374   -0.240  -1.559  -3.220
 -0.80   0.071   0.354   -0.265  -1.376  -3.012
 -0.82   0.080   0.367   -0.284  -1.239  -2.724
 -0.84   0.082   0.340   -0.294  -1.256  -2.539
 -0.86   0.089   0.314   -0.316  -1.094  -2.343
 -0.88   0.095   0.285   -0.366  -1.039  -2.159
 -0.90   0.097   0.257   -0.444  -1.006  -1.952
 -0.91   0.126   0.247   -0.464  -1.026  -1.748
 -0.92   0.116   0.283   -0.434  -1.026  -1.705
 -0.93   0.153   0.270   -0.416  -1.003  -1.695
 -0.94   0.125   0.275   -0.329  -0.934  -1.631

# Us (m/sec)      25.92   25.86   26.34   27.03   26.72
# Ub (m/sec)      18.39   18.57   18.68   18.86   18.86