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Hybrid RANS-LES Study of Transonic Flow in the Wake of a Generic Space Launch Vehicle

Horchler, Tim and Oßwald, Kai and Hannemann, Volker and Hannemann, Klaus (2016) Hybrid RANS-LES Study of Transonic Flow in the Wake of a Generic Space Launch Vehicle. 6th Symposium on Hybrid RANS-LES Methods, Straßburg, Frankreich.

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Official URL: https://hrlm6.sciencesconf.org/


Transonic flow in the wake of a generic space launch vehicle is investigated using Improved Delayed Detached-Eddy simulations on quasi-structured, partially unstructured and hybrid grids. It is shown that a 90◦ segment of the full domain can already capture the main afterbody flow dynamics and give a good agreement with experimental results. In order to assess the effect of unstructured grids, simulation results on a grid with an unstructured recirculation region are compared to a quasi-structured and a true hybrid grid. Finally, a comparison between IDDES and zonal DES results are presented and discussed.

Item URL in elib:https://elib.dlr.de/109737/
Document Type:Conference or Workshop Item (Speech)
Title:Hybrid RANS-LES Study of Transonic Flow in the Wake of a Generic Space Launch Vehicle
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Horchler, Timtim.horchler (at) dlr.deUNSPECIFIED
Oßwald, Kaikai.osswald (at) dlr.deUNSPECIFIED
Hannemann, VolkerVolker.Hannemann (at) dlr.deUNSPECIFIED
Hannemann, Klausklaus.hannemann (at) dlr.deUNSPECIFIED
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Numerische Simulation, Skalenauflösende Simulationen, Launch Vehicles, Base Buffeting
Event Title:6th Symposium on Hybrid RANS-LES Methods
Event Location:Straßburg, Frankreich
Event Type:international Conference
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 - Raumfahrzeugsysteme - Numerische Verfahren und Simulation (old)
Location: Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > Spacecraft
Deposited By: Bachmann, Barbara
Deposited On:04 Jan 2017 10:48
Last Modified:04 Jan 2017 10:48

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