Pressure Vessel

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Wall Thickness

One requirement for the pressure vessel is for the walls to be strong enough to withstand the internal pressure. If you take a cross section of the pressure that is perpendicular to the walls, then the preasure times the area, must equal the tensile strength of the material multiplied by the circumfrance of the cross section, multiplied by the wall thickness. Including a factor of safety this becomes:

<math>F_sPA=\sigma C w </math>