Design of rack module for CNG pressure vessel (type II)
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- 作者：H. S. Kwak (1)
J. H. Bae (2)
C. Kim (2)
1. School of Creative Engineering ; Pusan National University ; Busan ; 609-735 ; Korea
2. Research Institute of Mechanical Technology ; Pusan National University ; Busan ; 609-735 ; Korea - 关键词：Rack module ; Harmonic response analysis ; Mode superposition method ; Fatigue limit ; Fatigue failure
- 刊名：International Journal of Automotive Technology
- 出版年：2015
- 出版时间：April 2015
- 年：2015
- 卷：16
- 期：2
- 页码：271-278
- 全文大小：2,540 KB
- 参考文献：Ansys 14.5 Help, Mechanical Application.
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- 刊物主题：Automotive and Aerospace Engineering and Traffic
- 出版者：The Korean Society of Automotive Engineers
- ISSN：1976-3832
文摘
The high pressure vessels (type I) are widely used to refuel compressed natural gas (CNG) to vehicles in domestic regions because infrastructure of CNG is revitalized. But, due to a demand for pressure vessel with weight lighting and increase of inner capacity, rack module for the high-pressure vessel (type II) is being commercialized. Fundamental structure of the rack module for the vessel (type II) is similar to that of the vessel (type I), which has the total weight, about 26 tons; including 20 vessels fully charged with CNG. And vibration caused by non-smooth road surface and engine torque damages vessel and leads an accident involving a gas leak. For a common use of tube trailer with type I and type II vessels, this study carries out design of rack module by considering vibration and fatigue analysis for structural safety and minimization of materials according to location, the supporting shapes and the numbers of beams.