A simplified mechanical analysis is carried out for a specific closure system of a pressure vessel, consisting of a segmented locking ring, partially inserted into an annular slot; the ring portion protruding from the slot supports the vessel bottom; sealing is achieved by placing a copper gasket between the ring and the bottom. An approximate contact reaction is assumed, that is formed by a distributed constant linear force and by concentrated forces at the extremities of the ring-slot contact. Analytical expressions of the ring internal forces are provided. A numerical example is presented.
Analysis of a segmented locking ring for shell-bottom connection in pressure vessels / Strozzi, A.; Bertocchi, E.; Mantovani, S.. - In: MATERIALS TODAY: PROCEEDINGS. - ISSN 2214-7853. - 5:13(2018), pp. 26766-26771. (Intervento presentato al convegno 34th Danubia Adria Symposium on Advances in Experimental Mechanics, DAS 2017 tenutosi a ita nel 2017) [10.1016/j.matpr.2018.08.149].
Analysis of a segmented locking ring for shell-bottom connection in pressure vessels
Strozzi, A.;Bertocchi, E.
;Mantovani, S.
2018
Abstract
A simplified mechanical analysis is carried out for a specific closure system of a pressure vessel, consisting of a segmented locking ring, partially inserted into an annular slot; the ring portion protruding from the slot supports the vessel bottom; sealing is achieved by placing a copper gasket between the ring and the bottom. An approximate contact reaction is assumed, that is formed by a distributed constant linear force and by concentrated forces at the extremities of the ring-slot contact. Analytical expressions of the ring internal forces are provided. A numerical example is presented.
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