#
#  Yang & Tsai Data
#  Mean pressure 4mm slit V gutter
#
#  x= 50 mm
#
#  y (mm)   P
  30       -4.6
  28         -5
  26       -5.7
  24       -6.3
  22         -7
  20       -7.9
  18       -8.4
  16         -9
  14       -9.5
  12      -10.1
  10      -10.4
   8      -10.4
   6      -10.5
   4      -10.5
   2      -10.4
   0      -10.4
  -2      -10.7
  -4        -11
  -6      -11.4
  -8      -11.6
 -10      -11.6
 -12      -11.7
 -14      -11.1
 -16      -10.1
 -18       -8.9
 -20       -7.8
 -22       -6.5
 -24       -5.5
 -26       -4.5
 -28         -4
 -30       -3.5