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Research Paper | Mechanical Engineering | India | Volume 3 Issue 5, May 2014

Seismic Analysis of Spherical Vessel Containing Liquefied Petroleum Gas

Rixon K. L. | S. Balamurugan ^[7]

Abstract: The Liquefied petroleum Gas (LPG) Spherical vessel is supported by a column type rigid structure. Highly pressurized LPG is stored in these spherical tanks. LPG spherical vessel has some environmental constraints like earthquake; wind; etc. These constraints had the effect of highest failure rate of the tanks. This Project is to analyze column supported spheres having 20; 000 barrel capacity; especially used in Indian Oil Co-corporations Limited; on natural frequency under seismic condition and also to find the redundant structure of the columns and L section. A seismic analysis is one of the crucial procedures of column supported spheres used in LPG plants. A finite element model of the column supported sphere is designed using commercial design software; CATIA. Six different models of the column supported sphere are designed. The seismic analyses of these models are carried out by using ANSYS software. The analysis results of various models are then compared and the model with the minimum displacement is identified.

Keywords: LPG, seismic analysis, spherical vessel, column, finite element

Edition: Volume 3 Issue 5, May 2014,

Pages: 1854 - 1856

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