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Pressure variations on a train - Where is the threshold to railway passenger discomfort?

Schwanitz, S. and Wittkowski, M. and Rolny, V. and Basner, M. (2012) Pressure variations on a train - Where is the threshold to railway passenger discomfort? Applied Ergonomics. Elsevier. ISSN 0003-6870.

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Abstract

The implementation of recent guidelines for tunnel construction in Germany leads to extended air pressure variations inside trains and reduces pressure comfort for railway passengers. A questionnaire survey with 262 passengers revealed that pressure variations are rated less important for riding comfort than climatic and spatial aspects (study 1). A laboratory experiment (study 2) in the pressure chamber at the DLR Institute of Aerospace Medicine with 31 subjects (mean age ¼ 37.7, SD ¼ 12.7; 51.6% male) investigated the effects of systematic pressure variations on discomfort. The pressure changes (pressure increases and decreases) ranged from 1 to 100 mbar and were realized within 1e100 s. We derived thresholds for healthy passengers by means of random effects linear and logistic regression analysis. Logistic doseeresponse curves revealed amplitude/time combinations leading to a certain percentage of passengers perceiving discomfort (e.g. 50% dissatisfied passengers regarding a pressure increase of approximately 30 mbar within 5 s). The findings may help design engineers to meet passengers’ comfort requirements.

Document Type:Article
Title:Pressure variations on a train - Where is the threshold to railway passenger discomfort?
Authors:
AuthorsInstitution or Email of Authors
Schwanitz, S.Sandra.Schwanitz@dlr.de
Wittkowski, M.martin.wittkowski@dlr.de
Rolny, V.UNSPECIFIED
Basner, M.Mathias.basner@dlr.de
Date:2012
Journal or Publication Title:Applied Ergonomics
Refereed publication:Yes
In SCOPUS:Yes
In ISI Web of Science:Yes
Publisher:Elsevier
ISSN:0003-6870
Status:Published
Keywords:Pressure, Discomfort, Railway Passenger
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Terrestrial Vehicles
DLR - Research area:Transport
DLR - Program:V BF - Bodengebundene Fahrzeuge
DLR - Research theme (Project):V - Next Generation Train (old)
Location: Köln-Porz
Institutes and Institutions:Institute of Aerospace Medicine > Flight Physiology
Deposited By: Alina Sender
Deposited On:14 Sep 2012 11:58
Last Modified:26 Mar 2013 13:41

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