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Journal of Applied Mechanics and Technical Physics

2019 year, number 4

Explosion Chambers with Metal Shields

Yu. P. Meshcheryakov1, A. A. Shtertser1,2, B. S. Zlobin1
1Design and Technology Branch of the Lavrent'ev Institute of Hydrodynamics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russia
2Lavrent'ev Institute of Hydrodynamics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russia
Keywords: взрывная камера, металлический экран, численное моделирование, эквивалентные напряжения, explosion chamber, metal shield, numerical simulation, equivalent stresss

Abstract

Metal shields of various thickness made of various steels and used to protect the shells of explosion chambers from damage by debris and reduce the loads on the structural elements have been studied. Dependences of the equivalent stresses in the protective shields and shells explosion chambers and the final size of the gap between the shields and the shell on wall thickness, steel grade, and initial gap size were obtained by numerical simulation. Examples of the explosion chamber designs with protective shields are given.