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Experimental analysis of displacement ventilation within the next generation high speed train (NGT)

Schmeling, Daniel and Volkmann, André and Bosbach, Johannes (2016) Experimental analysis of displacement ventilation within the next generation high speed train (NGT). The 14th international conference of Indoor Air Quality and Climate - Indoor Air 2016, 03. - 08. July 2016, Ghent, Belgium.

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Official URL: http://www.indoorair2016.org/

Abstract

In a new generic train laboratory, experimental studies on the passenger comfort and the heat removal efficiency of ventilation systems are conducted. The mock-up is based on the lower deck geometry of the next generation high-speed train (NGT) and comprises six rows of four seats each. Temperature and humidity probes as well as PIV are utilized. Thermal manikins are used for experimental simulation of the heat impact and obstruction by real passengers. Furthermore, subject studies are conducted. During the first measurement campaigns, displacement ventilation is investigated. The velocity field in the centre cross section in front of a thermal manikin reveals air velocities lower than 0.15 m/s. Comparison of subject studies with those using only thermal manikins underlines the necessity to adjust the amount of heat released by each thermal manikin as a function of the mean room temperature.

Item URL in elib:https://elib.dlr.de/99056/
Document Type:Conference or Workshop Item (Speech)
Title:Experimental analysis of displacement ventilation within the next generation high speed train (NGT)
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Schmeling, DanielDaniel.Schmeling (at) dlr.deUNSPECIFIED
Volkmann, AndréAndre.Volkmann (at) dlr.deUNSPECIFIED
Bosbach, Johannesjohannes.bosbach (at) dlr.deUNSPECIFIED
Date:July 2016
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Series Name:Conference Proceedings
Status:Published
Keywords:displacement ventilation, thermal manikins, passenger comfort, heat removal efficiency
Event Title:The 14th international conference of Indoor Air Quality and Climate - Indoor Air 2016
Event Location:Ghent, Belgium
Event Type:international Conference
Event Dates:03. - 08. July 2016
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 of Aerodynamics and Flow Technology > Fluid Systems
Deposited By: Bachmann, Barbara
Deposited On:18 Jul 2016 10:08
Last Modified:15 Sep 2016 13:35

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