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Influence of impact angle and real target properties on drop test results of cubic containers

  • Drop test scenarios with cubic containers without impact limiters at interim storage sites or in a final repository have been investigated by numerical simulations. An ideally flat drop is impossible to conduct as a free fall of a container even under laboratory conditions. Dynamic stresses and strains inside the container structure are sensitive to the impact angle. Even very small impact angles cause remarkable changes in the experimental or numerical results when a flat bottom or wall of a container hits a flat target. For drop tests with transport packages the International Atomic Energy Agency (IAEA) regulations define an essentially unyielding target. In contrast, potential accident scenarios for storage containers are derived from site-specific safety analyses or acceptance criteria in Germany. Each interim storage site or repository has a yielding or so-called real target with individual structural and material properties. The real target acts as a kind of impact limiter. ADrop test scenarios with cubic containers without impact limiters at interim storage sites or in a final repository have been investigated by numerical simulations. An ideally flat drop is impossible to conduct as a free fall of a container even under laboratory conditions. Dynamic stresses and strains inside the container structure are sensitive to the impact angle. Even very small impact angles cause remarkable changes in the experimental or numerical results when a flat bottom or wall of a container hits a flat target. For drop tests with transport packages the International Atomic Energy Agency (IAEA) regulations define an essentially unyielding target. In contrast, potential accident scenarios for storage containers are derived from site-specific safety analyses or acceptance criteria in Germany. Each interim storage site or repository has a yielding or so-called real target with individual structural and material properties. The real target acts as a kind of impact limiter. A more conservative container design is required if the impact limiting effect of the target is not considered.zeige mehrzeige weniger

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  • PVP2017-65731-Paper.pdf
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    http://proceedings.asmedigitalcollection.asme.org/proceeding.aspx?articleid=2660822&resultClick=1

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    http://proceedings.asmedigitalcollection.asme.org/proceeding.aspx?articleid=2660822&resultClick=1

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    http://proceedings.asmedigitalcollection.asme.org/proceeding.aspx?articleid=2660822&resultClick=1

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Metadaten
Autoren/innen:Uwe Zencker, Linan Qiao, Holger Völzke
Dokumenttyp:Beitrag zu einem Tagungsband
Veröffentlichungsform:Graue Literatur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):Proc. ASME 2017 Pressure Vessels and Piping Conference
Jahr der Erstveröffentlichung:2017
Organisationseinheit der BAM:3 Gefahrgutumschließungen
3 Gefahrgutumschließungen / 3.4 Sicherheit von Lagerbehältern
Herausgeber (Institution):The Mechanical Society of Mechanical Engineers (ASME)
Jahrgang/Band:7
Erste Seite:Article UNSP V007T07A039, 1
Letzte Seite:9
DDC-Klassifikation:Technik, Medizin, angewandte Wissenschaften / Ingenieurwissenschaften / Angewandte Physik
Freie Schlagwörter:Drop test; Finite element method; Impact angle; Real target; Simulation; Yielding target
Themenfelder/Aktivitätsfelder der BAM:Energie
Energie / Kerntechnische Entsorgung
Veranstaltung:ASME 2017 Pressure Vessels and Piping Conference
Veranstaltungsort:Waikoloa, Hawaii, USA
Beginndatum der Veranstaltung:16.07.2017
Enddatum der Veranstaltung:20.07.2017
DOI:https://doi.org/10.1115/PVP2017-65731
URL:http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS&DestLinkType=FullRecord;UT=WOS:000422891600039
ISBN:978-0-7918-5802-8
Verfügbarkeit des Dokuments:Datei im Netzwerk der BAM verfügbar ("Closed Access")
Datum der Freischaltung:09.01.2018
Referierte Publikation:Ja
Datum der Eintragung als referierte Publikation:08.02.2018