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Numerical Study of the Airflow Distribution in a Passenger Car Cabin Validated with PIV

Ullrich, S. and Buder, R. and Boughanmi, N. and Friebe, C. and Wagner, Claus (2020) Numerical Study of the Airflow Distribution in a Passenger Car Cabin Validated with PIV. In: 21st STAB/DGLR Symposium on New Results in Numerical and Experimental Fluid Mechanics, 142, pp. 457-467. Springer Nature. 21. STAB/DGLR Symposium 2018, 6.-7. Nov. 2018, Darmstadt. doi: 10.1007/978-3-030-25253-3_44. ISBN 978-3-030-25252-6. ISSN 1612-2909.

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Official URL: https://doi.org/10.1007/978-3-030-25253-3_44

Abstract

This study is intending to improve the virtual development of the largest secondary consumer in an electrical vehicle, the HVAC system. This was achieved by validating a numerical model which calculates the jet flow distributions at the air vents of the front seats in a full-scale car cabin. The velocity fields were examined under consideration of three different volume flow rates of the air conditioning unit. For the validation, the optical measurement technique Particle Image Velocimetry (PIV) was used. The numerical car cabin model embedded the same spatial geometry as the experimental setup. The Reynolds-averaged Navier–Stokes computations were combined with the shear stress transport k-ω turbulence model and discretized on a hybrid mesh. A computation of the flow transition from the channel to the jet stream and the development of the jet flow in the car cabin was accomplished. The deviations between the experimental and numerical results of the mean air velocity amounted to less than ∼12% for each measuring plane. Additionally, the results show that this statement is valid for the different inlet volume flow settings.

Item URL in elib:https://elib.dlr.de/135607/
Document Type:Conference or Workshop Item (Speech, Other)
Additional Information:Print ISBN 978-3-030-25252-6 Online ISBN 978-3-030-25253-3 ISSN-electronic 1860-0824
Title:Numerical Study of the Airflow Distribution in a Passenger Car Cabin Validated with PIV
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Ullrich, S.VWUNSPECIFIED
Buder, R.VWUNSPECIFIED
Boughanmi, N.VWUNSPECIFIED
Friebe, C.VWUNSPECIFIED
Wagner, ClausClaus.Wagner (at) dlr.deUNSPECIFIED
Date:2020
Journal or Publication Title:21st STAB/DGLR Symposium on New Results in Numerical and Experimental Fluid Mechanics
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
Volume:142
DOI :10.1007/978-3-030-25253-3_44
Page Range:pp. 457-467
Editors:
EditorsEmailEditor's ORCID iD
Dillmann, Andreasandreas.dillmann@dlr.deUNSPECIFIED
Heller, GerdAirbus BremenUNSPECIFIED
Krämer, EwaldInstitut für Aerodynamik und Gasdynamik, Universität StuttgartUNSPECIFIED
Wagner, ClausClaus.Wagner@DLR.deUNSPECIFIED
Tropea, CameronFachgebiet Strömungslehre und Aerodynamik, TU DarmstadtUNSPECIFIED
Jakirlic, SuadTU DarmstadtUNSPECIFIED
Publisher:Springer Nature
Series Name:Notes on Numerical Fluid Mechanics and Multidisciplinary Design
ISSN:1612-2909
ISBN:978-3-030-25252-6
Status:Published
Keywords:RANS, Venilation, Passenger Car
Event Title:21. STAB/DGLR Symposium 2018
Event Location:Darmstadt
Event Type:international Conference
Event Dates:6.-7. Nov. 2018
Organizer:STAB/DGLR
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Road Transport
DLR - Research area:Transport
DLR - Program:V ST Straßenverkehr
DLR - Research theme (Project):V - NGC Antriebssystem und Energiemanagement
Location: Göttingen
Institutes and Institutions:Institute for Aerodynamics and Flow Technology > Ground Vehicles
Deposited By: Wagner, Prof. Dr.-Ing. Claus
Deposited On:05 Aug 2020 09:33
Last Modified:05 Aug 2020 09:33

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