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Numerical Study of the Subsonic Base Flow with a Side Support

You, Yancheng and Oßwald, Kai and Lüdeke, Heinrich and Hannemann, Volker (2012) Numerical Study of the Subsonic Base Flow with a Side Support. In: Progress in Hybrid RANS-LES Modelling Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 117. Springer Verlag. pp. 427-437. doi: 10.1007/978-3-642-31818-4. ISBN 978-3-642-31817-7. ISSN 1612-2909.

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The base flow of a generic rocket configuration is investigated numerically with different levels of turbulence modeling. At the nominal flow conditions, the comparison of numerical results with the experiments shows significant deviations in the vertical plane where a side support stands. A simulation of the open test section indicates two necessities of correction. On the one hand, an C p increase of 0.015 is necessary to correlate the measured plenum pressure with the inflow location of the numerical simulation. On the other hand, a − 0.32° angle of attack modification should be accounted for a justified comparison between the DES results and the experiments. A strong sensitivity towards such small angles of attack has been observed later in the experiments but not in respective RANS solutions. The DES results agree well with the experiment based on the above-mentioned corrections.

Item URL in elib:https://elib.dlr.de/95501/
Document Type:Contribution to a Collection
Title:Numerical Study of the Subsonic Base Flow with a Side Support
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
You, Yanchengyancheng.you (at) dlr.deUNSPECIFIED
Oßwald, Kaikai.osswald (at) dlr.deUNSPECIFIED
Lüdeke, Heinrichheinrich.luedeke (at) dlr.deUNSPECIFIED
Hannemann, Volkervolker.hannemann (at) dlr.deUNSPECIFIED
Journal or Publication Title:Progress in Hybrid RANS-LES Modelling
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
DOI :10.1007/978-3-642-31818-4
Page Range:pp. 427-437
EditorsEmailEditor's ORCID iD
Fu, SongTsinghua University, Beijing, ChinaUNSPECIFIED
Haase, WernerHohenbrunn, GermanyUNSPECIFIED
Peng, Shia-HuiSwedish Defence Research Agency, FOI, Stockholm, SwedenUNSPECIFIED
Schwamborn, DieterDLR GöttingenUNSPECIFIED
Publisher:Springer Verlag
Series Name:Notes on Numerical Fluid Mechanics and Multidisciplinary Design
Keywords:Base Flows, Detach Eddy Simulation, Subsonic, Rocket
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Transportation
DLR - Research area:Raumfahrt
DLR - Program:R RP - Space Transportation
DLR - Research theme (Project):R - Shefex III (old)
Location: Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Spacecraft
Deposited By: Seyfried, Beate
Deposited On:03 Mar 2015 16:40
Last Modified:03 Mar 2015 16:40

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