Zitieren Sie bitte immer diesen URN: urn:nbn:de:kobv:b43-599418
Modeling the performance of multilayer insulation in cryogenic tanks undergoing external fire scenarios
- Multilayer Insulation (MLI) is frequently used in vacuum conditions for the thermal insulation of cryogenic storage tanks. The severe consequences of the degradation of such materials in engulfing fire scenarios were recently evidenced by several large-scale experimental tests. In the present study, an innovative modelling approach was developed to assess the performance of heat transfer in polyester-based MLI materials for cryogenic applications under fire conditions. A specific layer-by-layer approach was integrated with an apparent kinetic thermal degradation model based on thermogravimetric analysis results. The modeling results provided a realistic simulation of the experimental data obtained by High-Temperature Thermal Vacuum Chamber tests reproducing fire exposure conditions. The model was then applied to assess the behavior of MLI systems for liquid hydrogen tanks in realistic fire scenarios. The results show that in intense fire scenarios degradation occurs rapidly,Multilayer Insulation (MLI) is frequently used in vacuum conditions for the thermal insulation of cryogenic storage tanks. The severe consequences of the degradation of such materials in engulfing fire scenarios were recently evidenced by several large-scale experimental tests. In the present study, an innovative modelling approach was developed to assess the performance of heat transfer in polyester-based MLI materials for cryogenic applications under fire conditions. A specific layer-by-layer approach was integrated with an apparent kinetic thermal degradation model based on thermogravimetric analysis results. The modeling results provided a realistic simulation of the experimental data obtained by High-Temperature Thermal Vacuum Chamber tests reproducing fire exposure conditions. The model was then applied to assess the behavior of MLI systems for liquid hydrogen tanks in realistic fire scenarios. The results show that in intense fire scenarios degradation occurs rapidly, compromising the thermal insulation performances of the system within a few minutes.…
Autor*innen: | Davide Camplese, Giordano Emrys Scarponi, Carmela Chianese, Aliasghar Hajhariri, Robert Eberwein, Frank Otremba, Valerio Cozzani |
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Dokumenttyp: | Zeitschriftenartikel |
Veröffentlichungsform: | Verlagsliteratur |
Sprache: | Englisch |
Titel des übergeordneten Werkes (Englisch): | Process Safety and Environmental Protection |
Jahr der Erstveröffentlichung: | 2024 |
Organisationseinheit der BAM: | 3 Gefahrgutumschließungen; Energiespeicher |
3 Gefahrgutumschließungen; Energiespeicher / 3.2 Gefahrguttanks und Unfallmechanik | |
Veröffentlichende Institution: | Bundesanstalt für Materialforschung und -prüfung (BAM) |
Verlag: | Elsevier B.V. |
Jahrgang/Band: | 186 |
Erste Seite: | 1169 |
Letzte Seite: | 1182 |
DDC-Klassifikation: | Technik, Medizin, angewandte Wissenschaften / Technik / Spezielle Themen |
Freie Schlagwörter: | Cryogenic Vessels; Fire; Liquefied Hydrogen; Liquefied Natural Gas; Multilayer Insulation; Safety |
Themenfelder/Aktivitätsfelder der BAM: | Chemie und Prozesstechnik |
Chemie und Prozesstechnik / Gefährliche Stoffe | |
DOI: | 10.1016/j.psep.2024.04.061 |
URN: | urn:nbn:de:kobv:b43-599418 |
ISSN: | 0957-5820 |
Verfügbarkeit des Dokuments: | Datei für die Öffentlichkeit verfügbar ("Open Access") |
Lizenz (Deutsch): | Creative Commons - CC BY - Namensnennung 4.0 International |
Datum der Freischaltung: | 06.05.2024 |
Referierte Publikation: | Ja |
Datum der Eintragung als referierte Publikation: | 27.ö05.2024 |
Schriftenreihen ohne Nummerierung: | Wissenschaftliche Artikel der BAM |