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Analysis of Model Mount Configurations with Regard to Force Measurements with Transient Inflow

Müller, Max and Ehrenfried, Klaus and Bell, James and Wagner, Claus (2020) Analysis of Model Mount Configurations with Regard to Force Measurements with Transient Inflow. In: 21st STAB/DGLR Symposium on New Results in Numerical and Experimental Fluid Mechanics, 142, pp. 684-694. Springer Nature. 21. STAB/DGLR Symposium 2018, 06.-07. Nov. 2018, Darmstadt, Deutschland. doi: 10.1007/978-3-030-25253-3_65. 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_65

Abstract

In wind tunnel testing the interference of the model mount with the flow needs to be investigated. The two different model mount configurations, tail sting and cross-stream rod, have been tested regarding their influence on the flow around a sphere at static incidence angles. The mechanic demands for unsteady force measurements determine the dimensions of the model mount and affect the support interference. In the paper a suitable mechanical design is presented. Further, the influence of the two configurations on crosswind is discussed by analyzing the side forces on a sphere at Re = 6.25 × 104 under different static incidence angles. It is shown that for this setup, a tail sting disturbs the wake flow in a non-correctable manner, whereas the results obtained for the cross-stream rod show good agreement with the literature. Hence, a cross-stream rod model mount concept is chosen for further testing on unsteady crosswinds.

Item URL in elib:https://elib.dlr.de/126407/
Document Type:Conference or Workshop Item (Speech)
Additional Information:Print ISBN 978-3-030-25252-6 Online ISBN 978-3-030-25253-3 ISSN-electronic 1860-0824
Title:Analysis of Model Mount Configurations with Regard to Force Measurements with Transient Inflow
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Müller, MaxMax.Mueller (at) dlr.deUNSPECIFIED
Ehrenfried, KlausKlaus.Ehrenfried (at) dlr.deUNSPECIFIED
Bell, JamesJames.Bell (at) dlr.dehttps://orcid.org/0000-0001-8319-9817
Wagner, ClausUNSPECIFIEDUNSPECIFIED
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_65
Page Range:pp. 684-694
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:model mount, tail sting, cross-stream rod, crosswind, bistable wake
Event Title:21. STAB/DGLR Symposium 2018
Event Location:Darmstadt, Deutschland
Event Type:international Conference
Event Dates:06.-07. Nov. 2018
Organizer:STAB/DGLR
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 for Aerodynamics and Flow Technology > Ground Vehicles
Deposited By: Müller, Max
Deposited On:12 Feb 2019 14:45
Last Modified:18 Jun 2020 09:52

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