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Simulation of liquid cargo – vehicle interaction under lateral and longitudinal accelerations

  • Amongst the vehicle parameters influencing road safety, the carried cargo plays a critical role in the case of a liquid cargo, posing rollover risk and affecting the available friction forces for braking. While the lateral sloshing of the cargo within the vehicle´s compartments, can be excited when the vehicle negotiates a turn, the longitudinal motion of the cargo derives from changes of speed. The combination of both types of perturbations occurs when the vehicle brakes while negotiating a turn. In this paper, a two-pendulum formulation is used to simulate the lateral and longitudinal behavior of a vehicle when negotiating a braking in a turn maneuver. The suspension forces are thus calculated as the linear superposition of both models. Results suggest that the vehicle roll stability is affected by the cargo sloshing, with increments on the order of 100% in the lateral load transfer, for a 50% filled tank. On the other hand, the dispersion of the travelling speed also affects theAmongst the vehicle parameters influencing road safety, the carried cargo plays a critical role in the case of a liquid cargo, posing rollover risk and affecting the available friction forces for braking. While the lateral sloshing of the cargo within the vehicle´s compartments, can be excited when the vehicle negotiates a turn, the longitudinal motion of the cargo derives from changes of speed. The combination of both types of perturbations occurs when the vehicle brakes while negotiating a turn. In this paper, a two-pendulum formulation is used to simulate the lateral and longitudinal behavior of a vehicle when negotiating a braking in a turn maneuver. The suspension forces are thus calculated as the linear superposition of both models. Results suggest that the vehicle roll stability is affected by the cargo sloshing, with increments on the order of 100% in the lateral load transfer, for a 50% filled tank. On the other hand, the dispersion of the travelling speed also affects the lateral stability of such type of vehicles, as a function of the dispersion of the vehicle´s travelling speed.zeige mehrzeige weniger

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Metadaten
Autor*innen:José A. Romero-Navarrete, Frank Otremba, A. A. Lozano Guzmán
Dokumenttyp:Beitrag zu einem Tagungsband
Veröffentlichungsform:Graue Literatur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):The 9th International Conference on Computational Methods
Jahr der Erstveröffentlichung:2018
Organisationseinheit der BAM:3 Gefahrgutumschließungen; Energiespeicher
3 Gefahrgutumschließungen; Energiespeicher / 3.2 Gefahrguttanks und Unfallmechanik
Verlag:Scientech Publisher LLC
Erste Seite:88
Letzte Seite:102
DDC-Klassifikation:Technik, Medizin, angewandte Wissenschaften / Ingenieurwissenschaften / Ingenieurbau
Freie Schlagwörter:Braking in a turn; Lateral load transfer ratio; Pendulum analogy; Road tankers; Sloshing cargo
Themenfelder/Aktivitätsfelder der BAM:Infrastruktur
Veranstaltung:The 9th International Conference on Computational Methods (ICCM2018)
Veranstaltungsort:Rome, Italy
Beginndatum der Veranstaltung:06.08.2018
Enddatum der Veranstaltung:10.08.2018
Verfügbarkeit des Dokuments:Datei im Netzwerk der BAM verfügbar ("Closed Access")
Datum der Freischaltung:03.09.2018
Referierte Publikation:Nein
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