#
#  Yang & Tsai Data
#  Mean pressure 2mm slit V gutter
#
#  x= 15 mm
#
#  y (mm)   P
  30       -1.1
  28       -2.5
  26       -3.6
  24         -5
  22       -6.6
  20       -9.2
  18      -11.8
  16      -15.5
  14      -18.6
  12      -23.4
  10        -26
   8      -28.6
   6      -31.1
   4      -31.8
   2      -31.1
   0      -29.7
  -2      -29.1
  -4      -28.6
  -6        -27
  -8      -24.5
 -10      -20.9
 -12      -17.5
 -14      -13.9
 -16      -10.8
 -18       -8.6
 -20       -5.9
 -22       -4.1
 -24       -2.3
 -26       -1.4
 -28       -0.4
 -30        0.4