Transactions of Nonferrous Metals Society of China The Chinese Journal of Nonferrous Metals

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Transactions of Nonferrous Metals Society of China

Vol. 21    Special 1    March 2011

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Optimal design considering structural efficiency of
compressed natural gas fuel storage vessels for automobiles
Myung-Chang KANG1, Hyung Woo LEE1, Chul KIM2

1. National Core Research Center for Hybrid Materials Solution, Pusan National University, Busan 609-735, Korea;
2. Research Institute of Mechanical Technology, Pusan National University, Busan 609-735, Korea

Abstract:The shape and thickness of the dome were investigated with the aim of optimizing the type II CNG storage vessels by using a finite element analysis technique. The thickness of the liners and reinforcing materials was optimized based on the requirement of the cylinder and dome parts. In addition, the shape of the dome, which is most suitable for type II CNG storage vessels, was proposed by a process of review and analysis of various existing shapes, and the minimum thickness was established in this sequence: metal liners, composite materials and dome parts. Therefore, the new proposed shape products give a mass reduction of 4.8 kg(5.1%)


Key words: CNG fuel storage vessel; mechanical property; dome part; bursting; structural analysis

ISSN 1004-0609
CN 43-1238/TG

ISSN 1003-6326
CN 43-1239/TG

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