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Steps towards a Reynolds Stress Model for the Prediction of Separated Flows

Eisfeld, Bernhard (2019) Steps towards a Reynolds Stress Model for the Prediction of Separated Flows. In: MP-AVT-307, 307, 9.1-9.10. NATO-STO. STO-AVT-307 Symposium, 07-09 Oct 2019, Trondheim, Norwegen.

Full text not available from this repository.

Abstract

A tailored strategy based on Reynolds stress modelling is suggested for improving the prediction of separated flows. The strategy is based on the observation that the turbulence structure differs between different flows. A full description of the turbulence structure requires the full information about the Reynolds-stress anisotropies rather than the invariants alone. Success of the strategy is demonstrated by applying a zonally modified Reynolds stress model for improved prediction of a plane mixing layer to separating flows, leading to shorter separation bubbles. Combination with a recently developed length-scale correction maintains the pressure distribution, but moves the reattachment point downstream again.

Item URL in elib:https://elib.dlr.de/130800/
Document Type:Conference or Workshop Item (Speech)
Title:Steps towards a Reynolds Stress Model for the Prediction of Separated Flows
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Eisfeld, BernhardBernhard.Eisfeld (at) dlr.deUNSPECIFIED
Date:October 2019
Journal or Publication Title:MP-AVT-307
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Volume:307
Page Range:9.1-9.10
Publisher:NATO-STO
Series Name:MP-AVT
Status:Published
Keywords:Turbulence, Separation, Reynolds Stress Model
Event Title:STO-AVT-307 Symposium
Event Location:Trondheim, Norwegen
Event Type:international Conference
Event Dates:07-09 Oct 2019
Organizer:NATO STO
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 - VicToria
Location: Braunschweig
Institutes and Institutions:Institute for Aerodynamics and Flow Technology > CASE, BS
Deposited By: Eisfeld, Dr.-Ing. Bernhard
Deposited On:03 Dec 2019 13:38
Last Modified:03 Dec 2019 13:38

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