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http://dx.doi.org/10.3795/KSME-A.2017.41.4.263

Design of Portable Welded-Nitrogen Vessel (11 kg, 10 L and 50 bar) for Shipbuilding  

Seong, Hansaem (Mechanical Convergence Technology, Pusan Nat'l Univ.)
Kim, Jaeyeol (Wonkwang Valve Co., LTD.)
Eom, Taejin (Wonkwang Valve Co., LTD.)
Kawk, 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.4, 2017 , pp. 263-270 More about this Journal
Abstract
The shipbuilding industry uses large stationary tanks to store low-pressure air, which is used to open and close large shut-off valves. However, when supplying air from the tank to a distant valve, there are problems related to the need for supplementary pipes and the pressure drop during transportation. In this study, a portable welded vessel for storing high-pressure nitrogen (11 kg, 10 L, and 50 bar) was designed to prevent air leakage and improve the convenience of workers. This pressure vessel was elliptical to reduce the number of welded parts, which are structurally weak. The thickness and ratio of the major and minor axes of the pressure vessel were calculated to verify its structure stability at the working pressure (50 bar), and that the proposed weight and capacity were satisfactory. The residual stress caused by the welding process was calculated by performing a transient thermal-structural coupled field analysis using the ANSYS parametric design language (APDL), and the fatigue life of the vessel was verified based on the Goodman criterion.
Keywords
Welded Pressure Vessel; Welding Tensile Residual Stress; Transient Thermal-Structural Coupled Field Analysis; Fatigue Analysis;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
연도 인용수 순위
1 Wang, J. C., 2005, "Stress Analysis of an Elliptical Pressure Vessel Under Internal Pressure," A Seminar submitted to the Faculty of Rensselaer at Hartford in Partial Fulfillment of the Requirements for the Degree of MASTER of Science, pp. 7-9.
2 Korea Energy Agency, 2014, "Pressure Vessel Strength Calculation and Design Technique".
3 Lu, X., 2002, "Influence of Residual Stress on Fatigue Failure of Welded Joints," A Dissertation Submitted to the Graduate Faculty of North Carolina State University in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy, pp. 131-133.
4 Oh, S., Yoon, H. K., Cha, Y. H. and Sam, K. W., 2003, "Mechanical Behavior of Materials," Wonchang, Incheon, pp. 141-144.
5 TSNE, 2013, "ANZINE," TSNE, Seoul, Vol. 28, pp. 27-29.
6 KS D 3698, 2015, "Cold Press," p. 7.
7 Bae, J. H., Lee, H. W., Kim, M. S. and Kim, C., 2013, "Optimal Process Planning of CNG Pressure Vessel by Ensuring Reliability and Improving Die Life," Trans. Korean Soc. Mech. Eng. A, Vol. 37, No. 7, pp. 865- 873.   DOI
8 Kim, H., Bae, W., Jang, Y. and Kim, C., 2008, "Optimal Design of the Fuel Storage Vessel of CNG Automobile by Considering Structural Efficiency," Trans. Korean Soc. Mech. Eng. A, Vol. 32, No. 6, pp. 465-473.   DOI
9 Joung, T.-H., Lee, J.-H., Nho, I. S., Lee, P.-M. and Aoki, T., 2004, "Pressure Vessel Design and Structural Analysis of Unmanned Under-water Vehicle," Journal of the Society of Naval Architects of Korean, Vol. 41, No. 6, pp. 140-146.   DOI
10 Kim, C. K. and Kim, D. H., 2011, "A Safety Study on the Stress Characteristics of a Composite Pressure Cylinder for a Use of 70 MPa Hydrogen Gas Vehicle," Korean Society of Manufacturing Technology Engineers, Vol. 21, No.1, 2012. 2. pp. 1-6.
11 Ullah Dar, N., Qureshi, E. M. and Hammouda, M.M.I., 2009, "Analysis of Weld-induced Residual Stresses and Distortions in Thin-walled Cylinders," Journal of Mechanical Science and Technology, 23, 1118-1131.   DOI
12 Song, J. B., Bae, W. B., Cho, Y. J., Hwang, S. M., Cho, Y. H., Cho, J. R., Park, S. W. and Park, S. H., 2010, Mechanical Engineering Design, KYOBO BOOK, Seoul, pp. 384-404.
13 Park, J. W., 2011, "Precision Welding Engineering," Iljinsa, Seoul, pp. 99-131.
14 Kwak, H. S. and Kim, C., 2016, "Structure Integrity of Rack Module for Compressed Natural Gas (CNG) Pressure Vessel - under Automotive Collision and Vibration," Journal of Mechanical Science and Technology, Accepted.
15 Yasuoka, M., Wang, P., Zhang, K., Qui, Z., Kusaka, K., Pyoun, Y. S. and Murakami, R. I., 2013, "Improvement of the Fatigue Strength of SUS304 Austenite Stainless Steel using Ultrasonic Nanocrystal Surface Modification," Surface & Coatings Technology, Vol. 218, No. 15, pp. 93-98.   DOI