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Experimental analysis of different ventilation concepts for the passenger compartment of a generic car

Dehne, Tobias and Volkmann, André and Schmeling, Daniel and Bosbach, Johannes (2016) Experimental analysis of different ventilation concepts for the passenger compartment of a generic car. 14th international conference on indoor air quality and climate, 03. - 08. Juli 2016, Gent, Belgien.

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


Novel ventilation systems as well as state of the art mixing ventilation (MV) were installed and investigated in a generic car mock-up under cooling conditions. The cabin of the full-scale facility comprises displacement ventilation air inlets at floor and ceiling level, which can be used solely or combined and allow for thermal comfort benefits, well-known from studies in aircraft cabins. Surface and fluid temperatures were analysed with an infrared camera and local temperature sensors. Omnidirectional velocity probes were used to capture the fluid velocities and temperatures in the vicinity of thermal passenger dummies. Regarding the comfort relevant flow parameters, mixing ventilation shines out with high air velocities and turbulences levels, but homogeneous temperature distributions. The novel ventilation concepts, on the other hand, allow for comfortable velocity and turbulence levels, but tend to comfort critical temperature stratifications, except for ceiling based displacement ventilation. Further differences are observed concerning the heat removal efficiency, which is highest for CDV and the heat exchange with the surrounding, which is highest for MV.

Item URL in elib:https://elib.dlr.de/102946/
Document Type:Conference or Workshop Item (Poster)
Title:Experimental analysis of different ventilation concepts for the passenger compartment of a generic car
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Dehne, TobiasUNSPECIFIEDhttps://orcid.org/0009-0002-6961-6834UNSPECIFIED
Schmeling, DanielUNSPECIFIEDhttps://orcid.org/0000-0003-2712-9974UNSPECIFIED
Bosbach, JohannesUNSPECIFIEDhttps://orcid.org/0000-0002-1531-127XUNSPECIFIED
Date:July 2016
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:cabin ventilation, displacement ventilation, heat removal efficiency, passenger thermal comfort, generic car
Event Title:14th international conference on indoor air quality and climate
Event Location:Gent, Belgien
Event Type:international Conference
Event Dates:03. - 08. Juli 2016
Organizer:Indoor air 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 - NGC-Energiemanagement (old)
Location: Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Fluid Systems
Deposited By: Bachmann, Barbara
Deposited On:19 Jul 2016 16:02
Last Modified:29 Mar 2023 00:26

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