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Passenger comfort on high-speed trains: effect of tunnel noise on the subjective assessment of pressure variations

Sanok, S. and Mendolia, F. and Wittkowski, M. and Rooney, Daniel and Putzke, M. and Aeschbach, D. (2015) Passenger comfort on high-speed trains: effect of tunnel noise on the subjective assessment of pressure variations. Ergonomics, 58 (6), pp. 1022-1031. Taylor & Francis. DOI: 10.1080/00140139.2014.997805 ISSN 0014-0139

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When passing through a tunnel, aerodynamic effects on high-speed trains may impair passenger comfort. These variations in atmospheric pressure are accompanied by transient increases in sound pressure level. To date, it is unclear whether the latter influences the perceived discomfort associated with the variations in atmospheric pressure. In a pressure chamber of the DLR-Institute of Aerospace Medicine, 71 participants (M ¼ 28.3 years ^ 8.1 SD) rated randomised pressure changes during two conditions according to a crossover design. The pressure changes were presented together with tunnel noise such that the sound pressure level was transiently elevated by either þ6 dB (low noise condition) or þ12 dB (high noise condition) above background noise level (65 dB(A)). Data were combined with those of a recent study, in which identical pressure changes were presented without tunnel noise (Schwanitz et al., 2013, ‘Pressure Variations on a Train – Where is the Threshold to Railway Passenger Discomfort?’ Applied Ergonomics 44 (2): 200-209). Exposure-response relationships for the combined data set comprising all three noise conditions show that pressure discomfort increases with the magnitude and speed of the pressure changes but decreases with increasing tunnel noise. Practitioner Summary: In a pressure chamber, we systematically examined how pressure discomfort, as it may be experienced by railway passengers, is affected by the presence of tunnel noise during pressure changes. It is shown that across three conditions (no noise, low noise (þ6 dB), high noise (þ12 dB)) pressure discomfort decreases with increasing tunnel noise.

Item URL in elib:https://elib.dlr.de/99452/
Document Type:Article
Title:Passenger comfort on high-speed trains: effect of tunnel noise on the subjective assessment of pressure variations
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Sanok, S.sandra.sanok (at) dlr.deUNSPECIFIED
Mendolia, F.franco.mendolia (at) dlr.deUNSPECIFIED
Wittkowski, M.martin.wittkowski (at) dlr.deUNSPECIFIED
Rooney, DanielDaniel.Rooney (at) dlr.dehttps://orcid.org/0000-0002-2966-9483
Putzke, M.Matthias.Putzke (at) dlr.deUNSPECIFIED
Aeschbach, D.daniel.aeschbach (at) dlr.deUNSPECIFIED
Journal or Publication Title:Ergonomics
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1080/00140139.2014.997805
Page Range:pp. 1022-1031
Publisher:Taylor & Francis
Keywords:passenger comfort; high-speed train; tunnel; pressure variations; sound pressure level
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: Köln-Porz
Institutes and Institutions:Institute of Aerospace Medicine > Flight Physiology
Deposited By: Sender, Alina
Deposited On:17 Nov 2015 15:19
Last Modified:06 Sep 2019 15:16

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