Will a Conic Container Shape Prevent Bouncing Up Due to Gas Pressure?

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SUMMARY

The discussion centers on the design of a pressure vessel, specifically whether a conic shape or a spherical top would reduce the risk of the container bouncing due to gas pressure. The current cylindrical container with a flat top allows gas pressure to exert force directly upward, leading to detachment. Ofer asserts that the shape of the pressure vessel does not affect the force distribution, indicating that the normal force at the entrance remains constant regardless of the design. Therefore, changing the shape to conic or spherical will not mitigate the risk of bouncing.

PREREQUISITES
  • Understanding of gas pressure dynamics
  • Knowledge of pressure vessel design principles
  • Familiarity with material permeability concepts
  • Basic physics related to force distribution
NEXT STEPS
  • Research the principles of pressure vessel design in ASME BPVC
  • Study the effects of shape on pressure distribution in fluid mechanics
  • Explore material properties affecting gas permeability in containers
  • Investigate alternative designs for pressure vessels to prevent detachment
USEFUL FOR

Engineers, product designers, and anyone involved in the development of pressure vessels or gas containment solutions will benefit from this discussion.

ofer1511
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Hi there,
I am developing a really cool new product and it somehow relates to pressure's behavior. Since I do not have any Physics background I will appreciate if someone could help me out.
The thing is that I attach a small container to certain area. This attachment actually seals the container so the inside of the container is isolated. However, plastic permeability enable gas to penetrate the container's walls and accumulate in the container. At some stage, the gas pressure gets to a critical point in which it pushes the container from the inside and makes it bounce up detach from the area to which it was attached.
Currently, the containe has a cylindrical shape with flat top. I figured out that since pressure acts in perpendicular direction on the surface, it is easy for it to push the container up since it has a flat top.
I wonder, and here comes my question: If I'll make a cone shaped or a cylinder with sphere shaped top, will it reduce the risk of the container from bouncing up. My logic says that in a conic container. the pressure force will be distributed partly to the top direction and partly to the sides because of the diagonal angle of the cone's walls (Compared to a flat top which directs all the pressure's force directly up).
Shortly, Would it be better to design a conic container than a flat-top container?

Thank you for reading and I will appreciate your answer. If you have any ling that might be helpful here, I will appreciate your reference.

Ofer
 
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The shape of a pressure vessel makes no difference, the force normal to the entrance is the same in all cases.
 

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