Parametric study of nozzle connections in ellipsoidal head vessel / Haszeme Abu Kasim

Parametric study of nozzle connections in ellipsoidal head vessel / Haszeme Abu Kasim

In designing the pressure vessel equipment, the nozzle connection requires a careful study of many regions. One of the critical aspects in designing pressure vessels is the nozzle connections in the ellipsoidal head of two intersecting shells. Two of the most important design guide (codes and standa...

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Main Author: Abu Kasim, Haszeme
Format: Thesis
Language:English
Published: 2014
Online Access:https://ir.uitm.edu.my/id/eprint/16389/3/16389.PDF
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spelling my-uitm-ir.163892023-05-24T06:40:12Z Parametric study of nozzle connections in ellipsoidal head vessel / Haszeme Abu Kasim 2014-06 Abu Kasim, Haszeme In designing the pressure vessel equipment, the nozzle connection requires a careful study of many regions. One of the critical aspects in designing pressure vessels is the nozzle connections in the ellipsoidal head of two intersecting shells. Two of the most important design guide (codes and standards) for designing the pressure vessel are ASME (American Society of Mechanical Engineers) pressure vessel code and WRC (Welding Research Council) bulletins. Both ASME and WRC standards do not directly address procedures or provide acceptance criteria for the effect of external forces and moments imposed by a piping system to the nozzle, and do not deal with ellipsoidal heads. Therefore, a parametric study was carried out in this research. The aim is to understand the behavior of the nozzle connections in radial and non-radial orientation to ellipsoidal head vessel subjected to the internal pressure and various external loading using the Finite Element Analysis (FEA) method. All the results analysis for both radial and non-radial nozzle are presented as graphs of non-dimensional parameters against stress concentration factor (SCF) for each load case applied. For validation, an analytical investigation using thin shell theory was utilized for the radial nozzle due to applied internal pressure loading. The comparison results between both methods show that the FEA method was valid with less than 10% differences. 2014-06 Thesis https://ir.uitm.edu.my/id/eprint/16389/ https://ir.uitm.edu.my/id/eprint/16389/3/16389.PDF text en public mphil masters Universiti Teknologi MARA Faculty of Mechanical Engineering
institution Universiti Teknologi MARA
collection UiTM Institutional Repository
language English
description In designing the pressure vessel equipment, the nozzle connection requires a careful study of many regions. One of the critical aspects in designing pressure vessels is the nozzle connections in the ellipsoidal head of two intersecting shells. Two of the most important design guide (codes and standards) for designing the pressure vessel are ASME (American Society of Mechanical Engineers) pressure vessel code and WRC (Welding Research Council) bulletins. Both ASME and WRC standards do not directly address procedures or provide acceptance criteria for the effect of external forces and moments imposed by a piping system to the nozzle, and do not deal with ellipsoidal heads. Therefore, a parametric study was carried out in this research. The aim is to understand the behavior of the nozzle connections in radial and non-radial orientation to ellipsoidal head vessel subjected to the internal pressure and various external loading using the Finite Element Analysis (FEA) method. All the results analysis for both radial and non-radial nozzle are presented as graphs of non-dimensional parameters against stress concentration factor (SCF) for each load case applied. For validation, an analytical investigation using thin shell theory was utilized for the radial nozzle due to applied internal pressure loading. The comparison results between both methods show that the FEA method was valid with less than 10% differences.
format Thesis
qualification_name Master of Philosophy (M.Phil.)
qualification_level Master's degree
author Abu Kasim, Haszeme
spellingShingle Abu Kasim, Haszeme
Parametric study of nozzle connections in ellipsoidal head vessel / Haszeme Abu Kasim
author_facet Abu Kasim, Haszeme
author_sort Abu Kasim, Haszeme
title Parametric study of nozzle connections in ellipsoidal head vessel / Haszeme Abu Kasim
title_short Parametric study of nozzle connections in ellipsoidal head vessel / Haszeme Abu Kasim
title_full Parametric study of nozzle connections in ellipsoidal head vessel / Haszeme Abu Kasim
title_fullStr Parametric study of nozzle connections in ellipsoidal head vessel / Haszeme Abu Kasim
title_full_unstemmed Parametric study of nozzle connections in ellipsoidal head vessel / Haszeme Abu Kasim
title_sort parametric study of nozzle connections in ellipsoidal head vessel / haszeme abu kasim
granting_institution Universiti Teknologi MARA
granting_department Faculty of Mechanical Engineering
publishDate 2014
url https://ir.uitm.edu.my/id/eprint/16389/3/16389.PDF
_version_ 1783733518959902720

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