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Hybrid RANS/LES Simulation Strategy for High-Lift Applications with Disturbed Inflow

Reuß, Silvia (2016) Hybrid RANS/LES Simulation Strategy for High-Lift Applications with Disturbed Inflow. Sixth HRLM Symposium, 26.-28- Sept. 2016, Strasbourg, France.

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Official URL: https://hrlm6.sciencesconf.org/113093/document


The prediction of gust loads during take off and landing is relevant for the safety of an airplane and should be already considered during the design process. Therefore, we present a framework to investigate the effects of atmospheric gusts on high-lift airfoils with the help of hybrid RANS/LES models (HRLM). To estimate the relevance of different turbulent length scales in the gust, the method relies on the ADDES, which uses algebraic sensors to distinguish RANS and LES regions. The model is used in combination with a vorticity-based LES filter scale and a numerical scheme with low dissipation. High-quality experimental data, which include PIV measurements, are used to validate the simulation results. We will focus on the effects that prevent the flow separation at the flap in the HRLM.

Item URL in elib:https://elib.dlr.de/104558/
Document Type:Conference or Workshop Item (Speech)
Additional Information:https://hrlm6.sciencesconf.org/program
Title:Hybrid RANS/LES Simulation Strategy for High-Lift Applications with Disturbed Inflow
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Date:September 2016
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:hybrid RANS/LES, ADDES, scale-resolving simulation
Event Title:Sixth HRLM Symposium
Event Location:Strasbourg, France
Event Type:international Conference
Event Dates:26.-28- Sept. 2016
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Simulation and Validation (old)
Location: Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > C²A²S²E - Center for Computer Applications in AeroSpace Science and Engineering
Deposited By: Bachmann, Barbara
Deposited On:04 Jan 2017 10:38
Last Modified:04 Jan 2017 10:38

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