Tube Diameter (mm) & Initial Pressure (atm) & Initial Pressure (kPa) \\ 52.48 & 0.28768 & 29.14198 \\ 26.902 & 0.53528 & 54.22386 \\ 12.092 & 1.1701 & 118.5311 \\ 6.2883 & 2.1623 & 219.041 \\