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http://dx.doi.org/10.7234/composres.2016.29.2.060

Experimental Study on the Structural Integrity of Type IV Hydrogen Pressure Vessels Experienced Impact Loadings  

Han, Min-Gu (School of Mechanical Engineering, Chung-Ang University)
Jung, Kyung-Chae (School of Mechanical Engineering, Chung-Ang University)
Chang, Seung-Hwan (School of Mechanical Engineering, Chung-Ang University)
Publication Information
Composites Research / v.29, no.2, 2016 , pp. 60-65 More about this Journal
Abstract
In this paper, finite element analysis and real time monitoring experimental work using FBG sensor were carried out for analyzing structural integrity of a Type IV hydrogen pressure vessel under impact loading condition. By using finite element analysis with the ply based modeling technique, sensor insertion points and pressure condition were suggested. Tensile test with an angle ply specimen was conducted for getting the reliability of FBG sensor insertion method. After fabricating the vessel, total five times pressurization fatigue tests were conducted (Non-impact pressurization: 1, After impact pressurization: 4). Experimental results revealed that filling cycle time was gradually increased and filling gradient was decreased when the vessel experienced impact.
Keywords
Hydrogen pressure vessel; FBG Sensor; Impact loading; Filling gradient;
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Times Cited By KSCI : 1  (Citation Analysis)
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