#
#  Yang & Tsai Data
#  Mean pressure 0mm slit V gutter
#
#  x= 60 mm
#
#  y (mm)   P 
  30       8.6
  28       8.4
  26         8
  24         7
  22       6.6
  20       5.6
  18       4.7
  16       3.7
  14       2.8
  12       1.9
  10       0.9
   8         0
   6      -0.6
   4      -1.4
   2        -2
   0      -2.2
  -2      -2.2
  -4      -1.7
  -6      -1.2
  -8      -0.6
 -10       0.3
 -12       1.2
 -14       2.3
 -16       3.6
 -18       4.5
 -20       5.6
 -22       6.4
 -24         7
 -26       7.8
 -28       8.3
 -30       8.6