Continuous assessments of pressure comfort on a train - A field-laboratory comparison
Schwanitz, S. and Wittkowski, M. and Rolny, V. and Samel, Ch. and Basner, M. (2012) Continuous assessments of pressure comfort on a train - A field-laboratory comparison. Applied Ergonomics, online, pp. 1-7.
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Pressure variations on a train predominantly occur while trains are passing through tunnels. These aerodynamic effects may give rise to aural discomfort in railway passengers. We conducted a field study on the high speed railway track Cologne-Frankfurt/Main as well as a simulation study in our pressure chamber TITAN (DLR-Institute of Aerospace Medicine) with 31 subjects (mean age ¼ 37.7, SD ¼ 12.7; 51.6% male) to investigate pressure comfort for passengers. Continuous assessments of pressure events using sliders and retrospective assessments were acquired. Pressure variations were mostly tolerated. A comparison of field and laboratory setting revealed high congruency of continuous as well as retrospective assessments. A generalized estimating equation model identified pressure change attributes contributing to passengers’ discomfort. Beside attributes of instantaneous pressure changes (e.g. high amplitudes, short durations), pressure events of the recent past significantly influenced current discomfort. Design engineers may use these findings to improve train and tunnel design.
|Title:||Continuous assessments of pressure comfort on a train - A field-laboratory comparison|
|Journal or Publication Title:||Applied Ergonomics|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 1-7|
|Keywords:||Pressure variation, Passenger comfort, Railway|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Transport|
|HGF - Program Themes:||V - no assignement|
|DLR - Research area:||Transport|
|DLR - Program:||V - no assignement|
|DLR - Research theme (Project):||V -- no assignement|
|Institutes and Institutions:||Institute of Aerospace Medicine > Flight Physiology|
|Deposited By:||Alina Tilch|
|Deposited On:||08 Aug 2012 15:39|
|Last Modified:||04 Apr 2013 16:38|
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