Stress Concentration Factors of Cross-Bores in Thick Walled Cylinders and Blocks

Dixon, R. D.; Peters, Daniel T.; Keltjens, Jan

doi:10.1115/1.1687381

Cited by 5 publications

(1 citation statement)

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“…Pressure vessels are commonly used in diverse applications and normally have cross bore [1]or holes for fluid inlets, outlets, and nozzles [2], [3]. There are many different connections in their outlets and nuzzles for instance nozzle-sphere connections are very common ones that are used in industry [4].Some modern materials like FGPM [5]which are applicable in pressure vessels have been of interest of researchers in the field of materials.…”

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confidence: 99%

Describing Stress Concentration Factors of an Internally Pressurized Cylinder With an Imbedded Hole by New Formulation

fesharaki¹

2020

Preprint

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The purpose of this paper is to investigate the stress concentration factor(SCF) for an internallypressurized cylinder with hole and based on detailed three-dimensional elastic FE analysis, a newcomprehensive set of formulas for SCFs are proposed. These stress concentration factors are presentedand discussed as a function of the ratio of cylinder diameter to the thickness of cylinder and hole diameter.The first ratio “D/100t” is equal to 1, 1.25, 1.5, 1.75, 2, 2.5, 2.75, 3, 3.25 and 3.5 and the second ratio“D/10d”, cylinder internal diameter to the hole diameter, varies from 0.6, 0.9, 1.2, 1.5, 1.8, 2, 2.3, 2.7,3.1and 3.5. Results are also presented for SCF of longitudinal, circumferential and Von Mises stresses.

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