# Square duct, two roughened opposite walls
#
#   U1/Us
#
#    X3/B= 0     -0.2    -0.4    -0.6    -0.8
# X2/B
  0.00   1.000   0.975   0.908   0.811   0.649 
 -0.08   0.998   0.972   0.908   0.799   0.649 
 -0.16   0.989   0.965   0.908   0.803   0.649 
 -0.24   0.980   0.963   0.908   0.801   0.649 
 -0.32   0.960   0.947   0.904   0.794   0.649 
 -0.40   0.933   0.929   0.893   0.794   0.645 
 -0.48   0.906   0.902   0.882   0.790   0.641 
 -0.56   0.872   0.878   0.867   0.781   0.639 
 -0.64   0.836   0.844   0.848   0.781   0.636 
 -0.68   0.820   0.831   0.839   0.772   0.628 
 -0.72   0.798   0.808   0.822   0.763   0.628 
 -0.76   0.784   0.790   0.800   0.751   0.617 
 -0.80   0.760   0.770   0.775   0.733   0.608 
 -0.82   0.755   0.750   0.764   0.715   0.600 
 -0.84   0.737   0.738   0.755   0.697   0.584 
 -0.86   0.724   0.730   0.738   0.677   0.578 
 -0.88   0.708   0.712   0.725   0.657   0.561 
 -0.90   0.692   0.689   0.701   0.637   0.539 
 -0.91   0.685   0.678   0.690   0.625   0.524 
 -0.92   0.670   0.671   0.675   0.607   0.513 
 -0.93   0.658   0.646   0.665   0.589   0.498 
 -0.94   0.652   0.642   0.645   0.569   0.478 
 -0.95   0.629   0.620   0.632   0.556   0.461 
 -0.96   0.613   0.604   0.608   0.542   0.437 
 -0.97   0.580   0.554   0.580   0.511   0.420 
 -0.98   0.542   0.510   0.531   0.463   0.387 
 -0.99   0.431   0.377   0.423   0.382   0.359 
 
# Us (m/sec)      29.13   29.13   28.85   28.85   28.92
# Ub (m/sec)      21.39   21.39   21.23   21.23   21.23