Question

the state of stress on a thin-walled cylindrical vessel can be found through equilibrium equations and the assumption that the stresses in the wall thickness have a uniform distribution. summing the forces in the longitudinal direction can obtain the axial stress. this axial stress can be represented by which of the following equations?

Answer 1

In a thin wall pressure vessel, two stresses exist: the longitudinal stress and the hoop stress .

A cylinder must have a radius to thickness (r/t) ratio of at least 10 in order to be considered "thin walled." The pressure field below represents the internal pressure that is still present in this area of the cylinder. Over the course of the cylinder's whole cut, the pressure is constant. The ratio between the mean radius of the vessel and the wall thickness determines thick wall pressure vessels. The vessel is regarded as a thin wall pressure vessel if this ratio exceeds 10. A thick wall pressure vessel is one in which the ratio is smaller than 10.

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