Calculating the hydrostatic pressure on a tube

AI Thread Summary
The discussion revolves around calculating hydrostatic pressure for a submarine project involving a perspex tube designed to be submerged to 100 meters. Key parameters include the tube's dimensions, material properties, and internal pressure. Participants suggest utilizing online engineering calculators and provide relevant resources for strength calculations related to pressure vessels. The original poster expresses gratitude for the helpful links, particularly one that meets their needs. The conversation emphasizes the importance of understanding deformation, critical pressure, and potential failure modes in design.
Orben24
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Hey guys.
I'm working on a submarine project and my goal is submerging it to 100m, but I'm having trouble calculating the parameters i need.
I'm working with a perspex tube (E is about 1.3Gpa), 26mm inside diameter and 30mm outside diameter. the tube X meters long with inside pressure of 1 atm.

I'd be happy if you guys could direct me to the right formulas (and how to derive them) for the deformation (ε), the critical pressure (Pc) and would it fail from buckling or by compression.

Thanks for the help! very much :)
 
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