Initial Pressure (atm) & Initial Pressure (kPa) & Cell Width \\ 0.19 & 18.83 & 90.61 \\ 0.23 & 22.88 & 95.76 \\ 0.26 & 26.50 & 61.63 \\ 0.29 & 29.80 & 50.80 \\ 0.32 & 32.04 & 45.32 \\ 0.37 & 37.35 & 36.07 \\ 0.41 & 41.59 & 32.48 \\ 0.39 & 39.14 & 29.19 \\ 0.45 & 45.91 & 29.24 \\