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Novel Ventilation Concepts for Efficient Heating Dynamics of Vehicle Passenger Compartments

Dehne, Tobias and Lange, Pascal and Westhoff, Andreas (2019) Novel Ventilation Concepts for Efficient Heating Dynamics of Vehicle Passenger Compartments. In: ASHRAE Winter Conference 2019. ASHRAE Winter Conference 2019, 12.-16. Januar 2019, Atlanta, United States.

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Official URL: https://www.techstreet.com/ashrae/searches/22703439

Abstract

A state-of-the-art dashboard ventilation system was compared to novel ventilation concepts regarding the heating dynamics in a scale-up generic car cabin (GCC). The concepts are based on the principle of displacement ventilation with air inlets at floor and ceiling level, well known from studies in aircraft cabins. In the present study, three vertical ventilation concepts were investigated experimentally in the GCC. With the aim to study different climate conditions, a jacket heating was used to simulate winter and summer conditions. To simulate the heat release and the obstruction of passengers as well as to measure the thermal comfort four thermal manikins were placed in the GCC. To determine the relevant heat fluxes a plethora of temperature sensors was located at significant positions in the GCC. Furthermore, the surface temperatures were measured by means of an infrared camera. The studies clearly reveal the advantages of the vertical ventilation concept in comparison with the dashboard ventilation regarding heat efficiency and thermal comfort at comparable boundary conditions.

Item URL in elib:https://elib.dlr.de/120949/
Document Type:Conference or Workshop Item (Speech)
Title:Novel Ventilation Concepts for Efficient Heating Dynamics of Vehicle Passenger Compartments
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Dehne, Tobiastobias.dehne (at) dlr.deUNSPECIFIED
Lange, PascalPascal.Lange (at) dlr.deUNSPECIFIED
Westhoff, Andreasandreas.westhoff (at) dlr.deUNSPECIFIED
Date:January 2019
Journal or Publication Title:ASHRAE Winter Conference 2019
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Generic car cabin, future cars, heating efficiency, novel ventilation concepts, thermal comfort
Event Title:ASHRAE Winter Conference 2019
Event Location:Atlanta, United States
Event Type:international Conference
Event Dates:12.-16. Januar 2019
Organizer:ASHRAE
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 for Aerodynamics and Flow Technology > Ground Vehicles
Deposited By: Dehne, Tobias
Deposited On:24 Jan 2019 13:14
Last Modified:15 Feb 2019 12:35

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