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Numerical Spoiler Wake Investigations at the Borders of the Flight Envelope

Geisbauer, Sven (2011) Numerical Spoiler Wake Investigations at the Borders of the Flight Envelope. 29th AIAA Applied Aerodynamics Conference, 27.-30. Juni 2011, Honolulu, USA.

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Official URL: http://arc.aiaa.org/doi/abs/10.2514/6.2011-3811


A numerical feasibility study for a generic transport aircraft configuration with retracted and deployed spoilers is presented in this paper. In a first attempt, steady RANS methods using the one-equation Spalart-Allmaras, the two-equation Menter kw-SST and the SSG/LRR-w Reynolds stress models have been applied to assess the suitability of the current approach in challenging flow conditions. The influence of the spoiler wake on the load distribution of the horizontal tail plane is investigated and a grid convergence study is carried out to verify the results. The influence of a grid adaptation to better capture the influence of the vortical flow of the spoiler wake is evaluated. In a next step, unsteady RANS (uRANS) computations were performed to capture the highly vortical, unsteady flow field behind the spoilers. The differences compared to the steady approach are assessed. All investigations are performed with hexahedral-dominant grids, generated with the SOLAR software package, and the Reynolds-averaged Navier-Stokes solver TAU.

Item URL in elib:https://elib.dlr.de/70554/
Document Type:Conference or Workshop Item (Speech)
Title:Numerical Spoiler Wake Investigations at the Borders of the Flight Envelope
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Date:June 2011
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:No
Keywords:CFD, TAU, SOLAR, RSM, flight envelope, dive, spoiler, horizontal tailplane, wake, aerodynamic loads
Event Title:29th AIAA Applied Aerodynamics Conference
Event Location:Honolulu, USA
Event Type:international Conference
Event Dates:27.-30. Juni 2011
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 - Flight Physics (old)
Location: Braunschweig
Institutes and Institutions:Institute for Aerodynamics and Flow Technology > Transport Aircraft
Deposited By: Geisbauer, Sven
Deposited On:05 Aug 2011 12:04
Last Modified:01 Jan 2020 03:00

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