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http://dx.doi.org/10.3795/KSME-A.2017.41.10.941

Design of Bottom Shape and Forming Analysis of Hydrogen Pressure Vessel with Maximum Volume  

Park, Gun Young (Mechanical Convergence Technology, Pusan Nat'l Univ.)
Kwak, Hyo Seo (Research Institute of Mechanical Technology, Pusan Nat'l Univ.)
Lee, Kwang O (Research Institute of Mechanical Technology, Pusan Nat'l Univ.)
Kim, Chul (School of Mechanical Engineering, Pusan Nat'l Univ.)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.41, no.10, 2017 , pp. 941-948 More about this Journal
Abstract
Recently, hydrogen energy has been in the spotlight as an alternative to diminishing fossil fuels and as a potential solution to environmental pollution. The development of hydrogen-fueled vehicles and the demands for improved fuel efficiencies have resulted in the need to increase the volume of the hydrogen pressure vessels. Pressure vessels having an elliptical bottom, as opposed to one that is hemispherical, allow for a greater capacity. However, there are insufficient studies on the feasibility of the forming process required for an elliptical bottom. In this study, the liner capacity is calculated according to the ratios of the major to the minor axes of the elliptical bottom part in a hydrogen pressure vessel. Structural safety is verified through finite element analyses, and the results are compared to the theoretical results. The feasibility of the proposed elliptical shape of the pressure vessel bottom, while filled to maximum capacity, is validated through forming analysis.
Keywords
Hydrogen Pressure Vessel; Capacity; Structural Analysis; Elliptical Bottom; Bottom Forming;
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Times Cited By KSCI : 2  (Citation Analysis)
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