Dynamic Structural Response of a Corrugated Blast Wall Under Hydrogen Blast Loads
Source abstract
Abstract
A literature review was conducted to examine blast load characteristics of hydrogen, and the trend of hydrogen blast load and correlations between load characteristics were analyzed and compared with those of hydrocarbons. It was empirically confirmed that hydrogen explosions tend to produce higher peak overpressures and shorter durations compared with hydrocarbon explosions. In addition, blast load scenarios for hydrogen were selected considering the examined load characteristics and applied to numerical simulations. Dynamic structural responses of a corrugated blast wall were investigated through numerical simulations and analyzed from the perspective of displacement and strain energy. The results also indicated that blast walls designed for hydrocarbon explosions might not provide sufficient structural stiffness and strength to prevent excessive deflection and fracture under hydrogen blast loads. Lastly, a new type of diagram for structural response analysis was proposed, and deformation modes of corrugated blast walls were defined based on qualitative and quantitative structural responses.
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Research context
OpenAlex topics: Structural Response to Dynamic Loads · Combustion and Detonation Processes · Transportation Safety and Impact Analysis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Naval Architecture and Ocean Engineering, Pusan National University, Busan 46241, Republic of Korea
The Korea Ship and Offshore Research Institute, Pusan National University, Busan 46241, Republic of Korea
Funding
National Research Foundation of Korea (NRF)
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