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International Journal of Automotive Technology

28.01.2025 | Body and Safety, Chassis, Heat Transfer, Fluid and Thermal Engineering, Manufacturing, Noise, Vibration and Harshness, Transmission and Driveline, Vehicle Dynamics and Control

Fluid–Structure Interaction Analysis and Experimental Study for the Structural Safety of Hydrogen Refueling Nozzle

verfasst von: Ji Ah Choi, Ju Hyeon Kim, Sang Won Ji

Erschienen in: International Journal of Automotive Technology

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Abstract

This study provides foundational research for the domestic development of hydrogen refueling station components by conducting coupled fluid–structure interaction analysis and experiments to evaluate the structural safety of existing hydrogen refueling nozzles. Using fluid-induced pressure as boundary conditions, the analysis assessed equivalent stresses and deformations and derived safety factors based on the yield strength of materials. While the majority of components were found to be structurally safe, a poppet-like component exhibited maximum equivalent stress and structural instability. This was validated by a pressure cycling test conducted according to ISO 19880-3, which revealed damage consistent with the analysis results. Therefore, modifications to the internal flow path of the poppet-like component are necessary.

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Metadaten
Titel
Fluid–Structure Interaction Analysis and Experimental Study for the Structural Safety of Hydrogen Refueling Nozzle
verfasst von
Ji Ah Choi
Ju Hyeon Kim
Sang Won Ji
Publikationsdatum
28.01.2025
Verlag
The Korean Society of Automotive Engineers
Erschienen in
International Journal of Automotive Technology
Print ISSN: 1229-9138
Elektronische ISSN: 1976-3832
DOI
https://doi.org/10.1007/s12239-025-00215-x

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