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Analysis of pressure loads on installations in high-speed tunnels- with model scale experiments and numerical simulations

Kühnelt, Helmut and Vorwagner, Alois and Lachinger, Stefan and Heine, Daniela and Saliger, Florian and Heissenberger, Roman (2018) Analysis of pressure loads on installations in high-speed tunnels- with model scale experiments and numerical simulations. 7th European Transport Research Arena, Reed Messe Vienna, Austria, 16. - 19. Apr. 2018, Wien, Östereich.

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Official URL: https://www.ait.ac.at/news-events/single-view/detail/4592/?no_cache=1

Abstract

Trains passing through railway tunnels cause pressure and suction waves which affect the vehicle, tunnel equipment, and passenger comfort. In the Alps, several very long single-track, twin-tube tunnels either have been opened recently or are under construction. Pressurized cross passage tubes spaced every 333 to 500 meters interconnect the main tunnel tubes and are sealed with air-tight doors which must sustain high pressure loads. The impact of various configurations of the shallow cavity between the main tube and the cross passage and the pressure loads generated on installations in different configurations of high-speed tunnels are analysed by using Computational Fluid Dynamics (CFD) analysis and experimental validations at the Tunnel Simulation Facility Göttingen (TSG) in model scale experiments (1:25). The effects on internal tunnel installations (e.g., emergency exit doors) were investigated in connection with their structural dynamics using FEA. The life span was evaluated and compared with the cumulative damage method after Palmgren-Miner.

Item URL in elib:https://elib.dlr.de/119042/
Document Type:Conference or Workshop Item (Speech)
Additional Information:Verkehr, bodengebundene Fahrzeuge, Teilgebiet 832
Title:Analysis of pressure loads on installations in high-speed tunnels- with model scale experiments and numerical simulations
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Kühnelt, HelmutAustrian Institute of Technology, Department Mobility, Giefinggasse 2, 1210 Vienna, AustriaUNSPECIFIED
Vorwagner, AloisAustrian Institute of Technology, Department Mobility, Giefinggasse 2, 1210 Vienna, AustriaUNSPECIFIED
Lachinger, StefanAustrian Institute of Technology, Department Mobility, Giefinggasse 2, 1210 Vienna, AustriaUNSPECIFIED
Heine, DanielaDaniela.Heine (at) dlr.deUNSPECIFIED
Saliger, FlorianÖBB-Infrastruktur AG, Praterstern 3, 1020 Vienna, AustriaUNSPECIFIED
Heissenberger, RomanÖBBUNSPECIFIED
Date:2018
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Hochgeschwindigkeitszug, Tunnelaerodynamik, Tunneleinbauten, CFD, Life Cycle Assessment
Event Title:7th European Transport Research Arena, Reed Messe Vienna, Austria
Event Location:Wien, Östereich
Event Type:international Conference
Event Dates:16. - 19. Apr. 2018
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Terrestrial Vehicles (old)
DLR - Research area:Transport
DLR - Program:V BF - Bodengebundene Fahrzeuge
DLR - Research theme (Project):V - Next Generation Train III (old)
Location: Göttingen
Institutes and Institutions:Institute for Aerodynamics and Flow Technology > Fluid Systems, GO
Deposited By: Bachmann, Barbara
Deposited On:17 May 2018 14:55
Last Modified:17 May 2018 14:55

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