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Sensitivity of Aerodynamic Force Coefficients to Changes in Onflow Velocity Components for a 1/4 Scale Automobile Model

Nabikhani, Amin and Weinman, K.A and Wilhelmi, Henning and Bell, James and Heine, Daniela and Wagner, Claus (2019) Sensitivity of Aerodynamic Force Coefficients to Changes in Onflow Velocity Components for a 1/4 Scale Automobile Model. 19. STAB Workshop, 5.-6. November 2019, Göttingen, Deutschland.

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Official URL: https://www.dlr.de/as/desktopdefault.aspx/tabid-128/268_read-1678/

Abstract

Finding a reliable and accurate numerical model to investigate the transient effects of external turbulent flow on vehicle performance is of interest to the automotive industry. Practical applications include the assessment of vehicle wakes and/or over-taking manoeuvres on vehicle aerodynamic forces. On-road measurements are expensive and repeatability of test conditions can be difficult to achieve in practise. Schröck et al. [1] suggests that aerodynamic forces acting on a vehicle are sensitive to side wind conditions and showed that a transferfunction approach could be used to predict the influence on vehicle aerodynamic loading. The current work aims to compliment the work of Schröck et al. by utilizing both experimental and CFD to investigate the influence of time varying on-flow conditions on the drag for a 1:4 scale model vehicle. Outcomes of this work might then be used in development of accurate and cost effective prediction methods.

Item URL in elib:https://elib.dlr.de/132703/
Document Type:Conference or Workshop Item (Speech)
Title:Sensitivity of Aerodynamic Force Coefficients to Changes in Onflow Velocity Components for a 1/4 Scale Automobile Model
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Nabikhani, Aminamin.nabikhani (at) dlr.deUNSPECIFIED
Weinman, K.Akeith.weinman (at) dlr.deUNSPECIFIED
Wilhelmi, HenningHenning.Wilhelmi (at) dlr.deUNSPECIFIED
Bell, JamesJames.Bell (at) dlr.dehttps://orcid.org/0000-0001-8319-9817
Heine, DanielaDaniela.Heine (at) dlr.deUNSPECIFIED
Wagner, ClausClaus.Wagner (at) dlr.deUNSPECIFIED
Date:5 November 2019
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Page Range:pp. 88-90
Status:Published
Keywords:Aerodynamic Forces, Automobile
Event Title:19. STAB Workshop
Event Location:Göttingen, Deutschland
Event Type:Workshop
Event Dates:5.-6. November 2019
Organizer:STAB, DLR
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: Weinman, Dr.phil. Keith
Deposited On:19 Dec 2019 16:07
Last Modified:20 Dec 2019 10:50

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