# Square duct, two roughened opposite walls
#
#  u1u2/Us^2       x1000
#
#     X2/B= 0    -0.2    -0.4    -0.6    -0.8
# X3/B
  0.00   -0.007  -0.663  -1.327  -1.644  -1.678
 -0.08   -0.007  -0.641  -1.303  -1.655  -1.697
 -0.16   -0.007  -0.602  -1.222  -1.579  -1.733
 -0.24   -0.006  -0.464  -1.082  -1.472  -1.688
 -0.32   -0.007  -0.443  -0.951  -1.217  -1.585
 -0.40   -0.004  -0.365  -0.790  -1.024  -1.459
 -0.48   -0.008  -0.283  -0.712  -0.805  -1.342
 -0.56   -0.007  -0.255  -0.656  -0.672  -1.229
 -0.64   -0.006  -0.172  -0.571  -0.554  -1.115
 -0.68   -0.005  -0.154  -0.549  -0.513  -1.144
 -0.72   -0.005  -0.150  -0.494  -0.471  -0.960
 -0.76   -0.007  -0.165  -0.502  -0.346  -0.886
 -0.80   -0.005  -0.006  -0.456  -0.326  -0.733
 -0.82   -0.005  -0.035  -0.356  -0.267  -0.645
 -0.84   0.007   -0.036  -0.405  -0.196  -0.572
 -0.86   0.001   -0.007  -0.359  -0.139  -0.485
 -0.88   0.084   -0.057  -0.344  -0.163  -0.388
 -0.90   -0.014  -0.026  -0.299  -0.045  -0.229
 -0.91   0.078   -0.018  -0.271  -0.068  -0.108
 -0.92   0.014   -0.060  -0.336  -0.019  -0.100
 -0.93   0.066   -0.070  -0.269  -0.041  -0.201
 -0.94   0.032   -0.028  -0.211  -0.031  -0.213

# Us (m/sec)      26.31   26.33   24.60   24.71   24.77
# Ub (m/sec)      19.85   19.85   19.04   19.48   19.06