#
#  Yang & Tsai Data
#  Mean pressure 4mm slit V gutter
#
#  x= 25 mm
#
#  y (mm)   P
  30        -5
  28      -5.6
  26      -6.4
  24      -7.3
  22      -8.7
  20      -9.8
  18     -11.3
  16     -12.8
  14     -14.1
  12     -15.2
  10     -15.9
   8     -16.4
   6     -16.7
   4     -16.4
   2     -15.9
   0     -15.6
  -2     -15.5
  -4     -15.1
  -6     -15.3
  -8     -15.4
 -10     -15.8
 -12     -15.9
 -14     -15.6
 -16     -14.5
 -18     -13.5
 -20     -12.5
 -22     -10.8
 -24      -9.5
 -26      -8.8
 -28      -7.8
 -30        -7