#
#  Yang & Tsai Data
#  Mean pressure 0mm slit V gutter
# 
#  x= 10 mm
#
#  y (mm)   P 
  30       1.9
  28         1
  26      -0.4
  24      -1.3
  22        -3
  20        -6
  18      -8.6
  16     -11.5
  14       -16
  12     -20.1
  10       -25
   8       -28
   6       -30
   4       -31
   2     -30.3
   0     -29.9
  -2       -30
  -4     -30.8
  -6     -31.5
  -8     -30.6
 -10       -28
 -12     -22.6
 -14     -17.7
 -16     -12.3
 -18      -8.9
 -20        -6
 -22      -3.8
 -24      -1.8
 -26      -0.5
 -28       0.7
 -30       1.5